Merge pull request #1087 from joeslay/master

Storing files in in-memory collections on windows
This commit is contained in:
Chris Lu 2019-10-21 22:30:35 -07:00 committed by GitHub
commit c262526d8a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
32 changed files with 1032 additions and 231 deletions

4
go.mod
View file

@ -1,7 +1,7 @@
module github.com/chrislusf/seaweedfs
go 1.12
require (
cloud.google.com/go v0.44.3
contrib.go.opencensus.io/exporter/aws v0.0.0-20190807220307-c50fb1bd7f21 // indirect
@ -119,4 +119,4 @@ require (
pack.ag/amqp v0.12.1 // indirect
)
replace github.com/satori/go.uuid v1.2.0 => github.com/satori/go.uuid v0.0.0-20181028125025-b2ce2384e17b
replace github.com/satori/go.uuid v1.2.0 => github.com/satori/go.uuid v0.0.0-20181028125025-b2ce2384e17b

3
go.sum
View file

@ -98,6 +98,8 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/chrislusf/raft v0.0.0-20190225081310-10d6e2182d92 h1:lM9SFsh0EPXkyJyrTJqLZPAIJBtNFP6LNkYXu2MnSZI=
github.com/chrislusf/raft v0.0.0-20190225081310-10d6e2182d92/go.mod h1:4jyiUCD5y548+yKW+oiHtccBiMaLCCbFBpK2t7X4eUo=
github.com/chrislusf/seaweedfs v0.0.0-20190912032620-ae53f636804e h1:PmqW1XGq0V6KnwOFa3hOSqsqa/bH66zxWzCVMOo5Yi4=
github.com/chrislusf/seaweedfs v0.0.0-20190912032620-ae53f636804e/go.mod h1:e5Pz27e2DxLCFt6GbCBP5/qJygD4TkOL5xqSFYFq+2U=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
@ -262,6 +264,7 @@ github.com/jcmturner/gofork v1.0.0/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/U
github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/joeslay/seaweedfs v0.0.0-20190912104409-d8c34b032fb6/go.mod h1:ljVry+CyFSNBLlKiell2UlxOKCvXXHjyBhiGDzXa+0c=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=

View file

@ -112,7 +112,7 @@ func runBackup(cmd *Command, args []string) bool {
return true
}
}
v, err := storage.NewVolume(*s.dir, *s.collection, vid, storage.NeedleMapInMemory, replication, ttl, 0)
v, err := storage.NewVolume(*s.dir, *s.collection, vid, storage.NeedleMapInMemory, replication, ttl, 0, 0)
if err != nil {
fmt.Printf("Error creating or reading from volume %d: %v\n", vid, err)
return true
@ -137,7 +137,7 @@ func runBackup(cmd *Command, args []string) bool {
// remove the old data
v.Destroy()
// recreate an empty volume
v, err = storage.NewVolume(*s.dir, *s.collection, vid, storage.NeedleMapInMemory, replication, ttl, 0)
v, err = storage.NewVolume(*s.dir, *s.collection, vid, storage.NeedleMapInMemory, replication, ttl, 0, 0)
if err != nil {
fmt.Printf("Error creating or reading from volume %d: %v\n", vid, err)
return true

View file

@ -38,7 +38,7 @@ func runCompact(cmd *Command, args []string) bool {
vid := needle.VolumeId(*compactVolumeId)
v, err := storage.NewVolume(*compactVolumePath, *compactVolumeCollection, vid,
storage.NeedleMapInMemory, nil, nil, preallocate)
storage.NeedleMapInMemory, nil, nil, preallocate, 0)
if err != nil {
glog.Fatalf("Load Volume [ERROR] %s\n", err)
}

View file

@ -0,0 +1,168 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os_overloads
import (
"os"
"syscall"
"golang.org/x/sys/windows"
)
func isAbs(path string) (b bool) {
v := volumeName(path)
if v == "" {
return false
}
path = path[len(v):]
if path == "" {
return false
}
return os.IsPathSeparator(path[0])
}
func volumeName(path string) (v string) {
if len(path) < 2 {
return ""
}
// with drive letter
c := path[0]
if path[1] == ':' &&
('0' <= c && c <= '9' || 'a' <= c && c <= 'z' ||
'A' <= c && c <= 'Z') {
return path[:2]
}
// is it UNC
if l := len(path); l >= 5 && os.IsPathSeparator(path[0]) && os.IsPathSeparator(path[1]) &&
!os.IsPathSeparator(path[2]) && path[2] != '.' {
// first, leading `\\` and next shouldn't be `\`. its server name.
for n := 3; n < l-1; n++ {
// second, next '\' shouldn't be repeated.
if os.IsPathSeparator(path[n]) {
n++
// third, following something characters. its share name.
if !os.IsPathSeparator(path[n]) {
if path[n] == '.' {
break
}
for ; n < l; n++ {
if os.IsPathSeparator(path[n]) {
break
}
}
return path[:n]
}
break
}
}
}
return ""
}
// fixLongPath returns the extended-length (\\?\-prefixed) form of
// path when needed, in order to avoid the default 260 character file
// path limit imposed by Windows. If path is not easily converted to
// the extended-length form (for example, if path is a relative path
// or contains .. elements), or is short enough, fixLongPath returns
// path unmodified.
//
// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath
func fixLongPath(path string) string {
// Do nothing (and don't allocate) if the path is "short".
// Empirically (at least on the Windows Server 2013 builder),
// the kernel is arbitrarily okay with < 248 bytes. That
// matches what the docs above say:
// "When using an API to create a directory, the specified
// path cannot be so long that you cannot append an 8.3 file
// name (that is, the directory name cannot exceed MAX_PATH
// minus 12)." Since MAX_PATH is 260, 260 - 12 = 248.
//
// The MSDN docs appear to say that a normal path that is 248 bytes long
// will work; empirically the path must be less then 248 bytes long.
if len(path) < 248 {
// Don't fix. (This is how Go 1.7 and earlier worked,
// not automatically generating the \\?\ form)
return path
}
// The extended form begins with \\?\, as in
// \\?\c:\windows\foo.txt or \\?\UNC\server\share\foo.txt.
// The extended form disables evaluation of . and .. path
// elements and disables the interpretation of / as equivalent
// to \. The conversion here rewrites / to \ and elides
// . elements as well as trailing or duplicate separators. For
// simplicity it avoids the conversion entirely for relative
// paths or paths containing .. elements. For now,
// \\server\share paths are not converted to
// \\?\UNC\server\share paths because the rules for doing so
// are less well-specified.
if len(path) >= 2 && path[:2] == `\\` {
// Don't canonicalize UNC paths.
return path
}
if !isAbs(path) {
// Relative path
return path
}
const prefix = `\\?`
pathbuf := make([]byte, len(prefix)+len(path)+len(`\`))
copy(pathbuf, prefix)
n := len(path)
r, w := 0, len(prefix)
for r < n {
switch {
case os.IsPathSeparator(path[r]):
// empty block
r++
case path[r] == '.' && (r+1 == n || os.IsPathSeparator(path[r+1])):
// /./
r++
case r+1 < n && path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])):
// /../ is currently unhandled
return path
default:
pathbuf[w] = '\\'
w++
for ; r < n && !os.IsPathSeparator(path[r]); r++ {
pathbuf[w] = path[r]
w++
}
}
}
// A drive's root directory needs a trailing \
if w == len(`\\?\c:`) {
pathbuf[w] = '\\'
w++
}
return string(pathbuf[:w])
}
// syscallMode returns the syscall-specific mode bits from Go's portable mode bits.
func syscallMode(i os.FileMode) (o uint32) {
o |= uint32(i.Perm())
if i&os.ModeSetuid != 0 {
o |= syscall.S_ISUID
}
if i&os.ModeSetgid != 0 {
o |= syscall.S_ISGID
}
if i&os.ModeSticky != 0 {
o |= syscall.S_ISVTX
}
// No mapping for Go's ModeTemporary (plan9 only).
return
}
//If the bool is set to true then the file is opened with the parameters FILE_ATTRIBUTE_TEMPORARY and
// FILE_FLAG_DELETE_ON_CLOSE
func OpenFile(name string, flag int, perm os.FileMode, setToTempAndDelete bool) (file *os.File, err error) {
r, e := Open(fixLongPath(name), flag|windows.O_CLOEXEC, syscallMode(perm), setToTempAndDelete)
if e != nil {
return nil, e
}
return os.NewFile(uintptr(r), name), nil
}

View file

@ -0,0 +1,80 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Windows system calls.
package os_overloads
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
// windows api calls
//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile int32) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW
func makeInheritSa() *syscall.SecurityAttributes {
var sa syscall.SecurityAttributes
sa.Length = uint32(unsafe.Sizeof(sa))
sa.InheritHandle = 1
return &sa
}
// opens the
func Open(path string, mode int, perm uint32, setToTempAndDelete bool) (fd syscall.Handle, err error) {
if len(path) == 0 {
return syscall.InvalidHandle, windows.ERROR_FILE_NOT_FOUND
}
pathp, err := syscall.UTF16PtrFromString(path)
if err != nil {
return syscall.InvalidHandle, err
}
var access uint32
switch mode & (windows.O_RDONLY | windows.O_WRONLY | windows.O_RDWR) {
case windows.O_RDONLY:
access = windows.GENERIC_READ
case windows.O_WRONLY:
access = windows.GENERIC_WRITE
case windows.O_RDWR:
access = windows.GENERIC_READ | windows.GENERIC_WRITE
}
if mode&windows.O_CREAT != 0 {
access |= windows.GENERIC_WRITE
}
if mode&windows.O_APPEND != 0 {
access &^= windows.GENERIC_WRITE
access |= windows.FILE_APPEND_DATA
}
sharemode := uint32(windows.FILE_SHARE_READ | windows.FILE_SHARE_WRITE)
var sa *syscall.SecurityAttributes
if mode&windows.O_CLOEXEC == 0 {
sa = makeInheritSa()
}
var createmode uint32
switch {
case mode&(windows.O_CREAT|windows.O_EXCL) == (windows.O_CREAT | windows.O_EXCL):
createmode = windows.CREATE_NEW
case mode&(windows.O_CREAT|windows.O_TRUNC) == (windows.O_CREAT | windows.O_TRUNC):
createmode = windows.CREATE_ALWAYS
case mode&windows.O_CREAT == windows.O_CREAT:
createmode = windows.OPEN_ALWAYS
case mode&windows.O_TRUNC == windows.O_TRUNC:
createmode = windows.TRUNCATE_EXISTING
default:
createmode = windows.OPEN_EXISTING
}
var h syscall.Handle
var e error
if setToTempAndDelete {
h, e = syscall.CreateFile(pathp, access, sharemode, sa, createmode, (windows.FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE), 0)
} else {
h, e = syscall.CreateFile(pathp, access, sharemode, sa, createmode, windows.FILE_ATTRIBUTE_NORMAL, 0)
}
return h, e
}

View file

@ -0,0 +1,9 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os_overloads
const (
FILE_FLAG_DELETE_ON_CLOSE = 0x04000000
)

View file

@ -139,6 +139,7 @@ message AssignRequest {
string data_center = 5;
string rack = 6;
string data_node = 7;
uint32 MemoryMapMaxSizeMB = 8;
}
message AssignResponse {
string fid = 1;

View file

@ -44,12 +44,15 @@ It has these top-level messages:
*/
package master_pb
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
math "math"
context "golang.org/x/net/context"
grpc "google.golang.org/grpc"
)
@ -648,13 +651,14 @@ func (m *Location) GetPublicUrl() string {
}
type AssignRequest struct {
Count uint64 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
Replication string `protobuf:"bytes,2,opt,name=replication" json:"replication,omitempty"`
Collection string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
Ttl string `protobuf:"bytes,4,opt,name=ttl" json:"ttl,omitempty"`
DataCenter string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter" json:"data_center,omitempty"`
Rack string `protobuf:"bytes,6,opt,name=rack" json:"rack,omitempty"`
DataNode string `protobuf:"bytes,7,opt,name=data_node,json=dataNode" json:"data_node,omitempty"`
Count uint64 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
Replication string `protobuf:"bytes,2,opt,name=replication" json:"replication,omitempty"`
Collection string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
Ttl string `protobuf:"bytes,4,opt,name=ttl" json:"ttl,omitempty"`
DataCenter string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter" json:"data_center,omitempty"`
Rack string `protobuf:"bytes,6,opt,name=rack" json:"rack,omitempty"`
DataNode string `protobuf:"bytes,7,opt,name=data_node,json=dataNode" json:"data_node,omitempty"`
MemoryMapMaxSizeMB uint32 `protobuf:"varint,8,opt,name=memorymapmaxsizemb" json:"memorymapmaxsizemb,omitempty"`
}
func (m *AssignRequest) Reset() { *m = AssignRequest{} }
@ -711,6 +715,13 @@ func (m *AssignRequest) GetDataNode() string {
return ""
}
func (m *AssignRequest) GetMemoryMapMaxSizeMB() uint32 {
if m != nil {
return m.MemoryMapMaxSizeMB
}
return 0
}
type AssignResponse struct {
Fid string `protobuf:"bytes,1,opt,name=fid" json:"fid,omitempty"`
Url string `protobuf:"bytes,2,opt,name=url" json:"url,omitempty"`

View file

@ -131,6 +131,7 @@ message AllocateVolumeRequest {
int64 preallocate = 3;
string replication = 4;
string ttl = 5;
int32 memorymapmaxsizemb = 6;
}
message AllocateVolumeResponse {
}

View file

@ -70,12 +70,15 @@ It has these top-level messages:
*/
package volume_server_pb
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
math "math"
context "golang.org/x/net/context"
grpc "google.golang.org/grpc"
)
@ -315,11 +318,12 @@ func (*DeleteCollectionResponse) ProtoMessage() {}
func (*DeleteCollectionResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
type AllocateVolumeRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
Preallocate int64 `protobuf:"varint,3,opt,name=preallocate" json:"preallocate,omitempty"`
Replication string `protobuf:"bytes,4,opt,name=replication" json:"replication,omitempty"`
Ttl string `protobuf:"bytes,5,opt,name=ttl" json:"ttl,omitempty"`
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
Preallocate int64 `protobuf:"varint,3,opt,name=preallocate" json:"preallocate,omitempty"`
Replication string `protobuf:"bytes,4,opt,name=replication" json:"replication,omitempty"`
Ttl string `protobuf:"bytes,5,opt,name=ttl" json:"ttl,omitempty"`
MemoryMapMaxSizeMB uint32 `protobuf:"varint,6,opt,name=memorymapmaxsizemb" json:"memorymapmaxsizemb,omitempty"`
}
func (m *AllocateVolumeRequest) Reset() { *m = AllocateVolumeRequest{} }
@ -362,6 +366,13 @@ func (m *AllocateVolumeRequest) GetTtl() string {
return ""
}
func (m *AllocateVolumeRequest) GetMemoryMapMaxSizeMB() uint32 {
if m != nil {
return m.MemoryMapMaxSizeMB
}
return 0
}
type AllocateVolumeResponse struct {
}
@ -2359,6 +2370,7 @@ func _VolumeServer_DeleteCollection_Handler(srv interface{}, ctx context.Context
func _VolumeServer_AllocateVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AllocateVolumeRequest)
if err := dec(in); err != nil {
return nil, err
}

View file

@ -62,13 +62,14 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
}
option := &topology.VolumeGrowOption{
Collection: req.Collection,
ReplicaPlacement: replicaPlacement,
Ttl: ttl,
Prealloacte: ms.preallocateSize,
DataCenter: req.DataCenter,
Rack: req.Rack,
DataNode: req.DataNode,
Collection: req.Collection,
ReplicaPlacement: replicaPlacement,
Ttl: ttl,
Prealloacte: ms.preallocateSize,
DataCenter: req.DataCenter,
Rack: req.Rack,
DataNode: req.DataNode,
MemoryMapMaxSizeMB: req.MemoryMapMaxSizeMB,
}
if !ms.Topo.HasWritableVolume(option) {

View file

@ -148,6 +148,11 @@ func (ms *MasterServer) getVolumeGrowOption(r *http.Request) (*topology.VolumeGr
if err != nil {
return nil, err
}
memoryMapMaxSizeMB, err := needle.ReadMemoryMapMaxSizeMB(r.FormValue("memorymapmaxsizemb"))
if err != nil {
return nil, err
}
preallocate := ms.preallocateSize
if r.FormValue("preallocate") != "" {
preallocate, err = strconv.ParseInt(r.FormValue("preallocate"), 10, 64)
@ -156,13 +161,14 @@ func (ms *MasterServer) getVolumeGrowOption(r *http.Request) (*topology.VolumeGr
}
}
volumeGrowOption := &topology.VolumeGrowOption{
Collection: r.FormValue("collection"),
ReplicaPlacement: replicaPlacement,
Ttl: ttl,
Prealloacte: preallocate,
DataCenter: r.FormValue("dataCenter"),
Rack: r.FormValue("rack"),
DataNode: r.FormValue("dataNode"),
Collection: r.FormValue("collection"),
ReplicaPlacement: replicaPlacement,
Ttl: ttl,
Prealloacte: preallocate,
DataCenter: r.FormValue("dataCenter"),
Rack: r.FormValue("rack"),
DataNode: r.FormValue("dataNode"),
MemoryMapMaxSizeMB: memoryMapMaxSizeMB,
}
return volumeGrowOption, nil
}

View file

@ -35,6 +35,7 @@ func (vs *VolumeServer) AllocateVolume(ctx context.Context, req *volume_server_p
req.Replication,
req.Ttl,
req.Preallocate,
req.MemoryMapMaxSizeMB,
)
if err != nil {

View file

@ -60,7 +60,7 @@ func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind Ne
_, found := l.volumes[vid]
l.RUnlock()
if !found {
if v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0); e == nil {
if v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0, 0); e == nil {
l.Lock()
l.volumes[vid] = v
l.Unlock()

View file

@ -0,0 +1,42 @@
// +build !windows
package memory_map
import (
"fmt"
"os"
)
type MemoryBuffer struct {
aligned_length uint64
length uint64
aligned_ptr uintptr
ptr uintptr
Buffer []byte
}
type MemoryMap struct {
File *os.File
file_memory_map_handle uintptr
write_map_views []MemoryBuffer
max_length uint64
End_of_file int64
}
var FileMemoryMap = make(map[string]*MemoryMap)
func (mMap *MemoryMap) CreateMemoryMap(file *os.File, maxLength uint64) {
}
func (mMap *MemoryMap) WriteMemory(offset uint64, length uint64, data []byte) {
}
func (mMap *MemoryMap) ReadMemory(offset uint64, length uint64) ([]byte, error) {
dataSlice := []byte{}
return dataSlice, fmt.Errorf("Memory Map not implemented for this platform")
}
func (mBuffer *MemoryMap) DeleteFileAndMemoryMap() {
}

View file

@ -0,0 +1,343 @@
// +build windows
package memory_map
import (
"os"
"reflect"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
type MemoryBuffer struct {
aligned_length uint64
length uint64
aligned_ptr uintptr
ptr uintptr
Buffer []byte
}
type MemoryMap struct {
File *os.File
file_memory_map_handle uintptr
write_map_views []MemoryBuffer
max_length uint64
End_of_file int64
}
var FileMemoryMap = make(map[string]*MemoryMap)
type DWORDLONG = uint64
type DWORD = uint32
type WORD = uint16
var (
modkernel32 = syscall.NewLazyDLL("kernel32.dll")
procGetSystemInfo = modkernel32.NewProc("GetSystemInfo")
procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx")
procGetProcessWorkingSetSize = modkernel32.NewProc("GetProcessWorkingSetSize")
procSetProcessWorkingSetSize = modkernel32.NewProc("SetProcessWorkingSetSize")
)
var currentProcess, _ = windows.GetCurrentProcess()
var currentMinWorkingSet uint64 = 0
var currentMaxWorkingSet uint64 = 0
var _ = getProcessWorkingSetSize(uintptr(currentProcess), &currentMinWorkingSet, &currentMaxWorkingSet)
var systemInfo, _ = getSystemInfo()
var chunkSize = uint64(systemInfo.dwAllocationGranularity) * 128
var memoryStatusEx, _ = globalMemoryStatusEx()
var maxMemoryLimitBytes = uint64(float64(memoryStatusEx.ullTotalPhys) * 0.8)
func (mMap *MemoryMap) CreateMemoryMap(file *os.File, maxLength uint64) {
chunks := (maxLength / chunkSize)
if chunks*chunkSize < maxLength {
chunks = chunks + 1
}
alignedMaxLength := chunks * chunkSize
maxLength_high := uint32(alignedMaxLength >> 32)
maxLength_low := uint32(alignedMaxLength & 0xFFFFFFFF)
file_memory_map_handle, err := windows.CreateFileMapping(windows.Handle(file.Fd()), nil, windows.PAGE_READWRITE, maxLength_high, maxLength_low, nil)
if err == nil {
mMap.File = file
mMap.file_memory_map_handle = uintptr(file_memory_map_handle)
mMap.write_map_views = make([]MemoryBuffer, 0, alignedMaxLength/chunkSize)
mMap.max_length = alignedMaxLength
mMap.End_of_file = -1
}
}
func (mMap *MemoryMap) DeleteFileAndMemoryMap() {
//First we close the file handles first to delete the file,
//Then we unmap the memory to ensure the unmapping process doesn't write the data to disk
windows.CloseHandle(windows.Handle(mMap.file_memory_map_handle))
windows.CloseHandle(windows.Handle(mMap.File.Fd()))
for _, view := range mMap.write_map_views {
view.releaseMemory()
}
mMap.write_map_views = nil
mMap.max_length = 0
}
func min(x, y uint64) uint64 {
if x < y {
return x
}
return y
}
func (mMap *MemoryMap) WriteMemory(offset uint64, length uint64, data []byte) {
for {
if ((offset+length)/chunkSize)+1 > uint64(len(mMap.write_map_views)) {
allocateChunk(mMap)
} else {
break
}
}
remaining_length := length
sliceIndex := offset / chunkSize
sliceOffset := offset - (sliceIndex * chunkSize)
dataOffset := uint64(0)
for {
writeEnd := min((remaining_length + sliceOffset), chunkSize)
copy(mMap.write_map_views[sliceIndex].Buffer[sliceOffset:writeEnd], data[dataOffset:])
remaining_length -= (writeEnd - sliceOffset)
dataOffset += (writeEnd - sliceOffset)
if remaining_length > 0 {
sliceIndex += 1
sliceOffset = 0
} else {
break
}
}
if mMap.End_of_file < int64(offset+length-1) {
mMap.End_of_file = int64(offset + length - 1)
}
}
func (mMap *MemoryMap) ReadMemory(offset uint64, length uint64) (dataSlice []byte, err error) {
dataSlice = make([]byte, length)
mBuffer, err := allocate(windows.Handle(mMap.file_memory_map_handle), offset, length, false)
copy(dataSlice, mBuffer.Buffer)
mBuffer.releaseMemory()
return dataSlice, err
}
func (mBuffer *MemoryBuffer) releaseMemory() {
windows.VirtualUnlock(mBuffer.aligned_ptr, uintptr(mBuffer.aligned_length))
windows.UnmapViewOfFile(mBuffer.aligned_ptr)
currentMinWorkingSet -= mBuffer.aligned_length
currentMaxWorkingSet -= mBuffer.aligned_length
if currentMinWorkingSet < maxMemoryLimitBytes {
var _ = setProcessWorkingSetSize(uintptr(currentProcess), currentMinWorkingSet, currentMaxWorkingSet)
}
mBuffer.ptr = 0
mBuffer.aligned_ptr = 0
mBuffer.length = 0
mBuffer.aligned_length = 0
mBuffer.Buffer = nil
}
func allocateChunk(mMap *MemoryMap) {
start := uint64(len(mMap.write_map_views)) * chunkSize
mBuffer, err := allocate(windows.Handle(mMap.file_memory_map_handle), start, chunkSize, true)
if err == nil {
mMap.write_map_views = append(mMap.write_map_views, mBuffer)
}
}
func allocate(hMapFile windows.Handle, offset uint64, length uint64, write bool) (MemoryBuffer, error) {
mBuffer := MemoryBuffer{}
//align memory allocations to the minium virtal memory allocation size
dwSysGran := systemInfo.dwAllocationGranularity
start := (offset / uint64(dwSysGran)) * uint64(dwSysGran)
diff := offset - start
aligned_length := diff + length
offset_high := uint32(start >> 32)
offset_low := uint32(start & 0xFFFFFFFF)
access := windows.FILE_MAP_READ
if write {
access = windows.FILE_MAP_WRITE
}
currentMinWorkingSet += aligned_length
currentMaxWorkingSet += aligned_length
if currentMinWorkingSet < maxMemoryLimitBytes {
// increase the process working set size to hint to windows memory manager to
// prioritise keeping this memory mapped in physical memory over other standby memory
var _ = setProcessWorkingSetSize(uintptr(currentProcess), currentMinWorkingSet, currentMaxWorkingSet)
}
addr_ptr, errno := windows.MapViewOfFile(hMapFile,
uint32(access), // read/write permission
offset_high,
offset_low,
uintptr(aligned_length))
if addr_ptr == 0 {
return mBuffer, errno
}
if currentMinWorkingSet < maxMemoryLimitBytes {
windows.VirtualLock(mBuffer.aligned_ptr, uintptr(mBuffer.aligned_length))
}
mBuffer.aligned_ptr = addr_ptr
mBuffer.aligned_length = aligned_length
mBuffer.ptr = addr_ptr + uintptr(diff)
mBuffer.length = length
slice_header := (*reflect.SliceHeader)(unsafe.Pointer(&mBuffer.Buffer))
slice_header.Data = addr_ptr + uintptr(diff)
slice_header.Len = int(length)
slice_header.Cap = int(length)
return mBuffer, nil
}
//typedef struct _MEMORYSTATUSEX {
// DWORD dwLength;
// DWORD dwMemoryLoad;
// DWORDLONG ullTotalPhys;
// DWORDLONG ullAvailPhys;
// DWORDLONG ullTotalPageFile;
// DWORDLONG ullAvailPageFile;
// DWORDLONG ullTotalVirtual;
// DWORDLONG ullAvailVirtual;
// DWORDLONG ullAvailExtendedVirtual;
// } MEMORYSTATUSEX, *LPMEMORYSTATUSEX;
//https://docs.microsoft.com/en-gb/windows/win32/api/sysinfoapi/ns-sysinfoapi-memorystatusex
type _MEMORYSTATUSEX struct {
dwLength DWORD
dwMemoryLoad DWORD
ullTotalPhys DWORDLONG
ullAvailPhys DWORDLONG
ullTotalPageFile DWORDLONG
ullAvailPageFile DWORDLONG
ullTotalVirtual DWORDLONG
ullAvailVirtual DWORDLONG
ullAvailExtendedVirtual DWORDLONG
}
// BOOL GlobalMemoryStatusEx(
// LPMEMORYSTATUSEX lpBuffer
// );
// https://docs.microsoft.com/en-gb/windows/win32/api/sysinfoapi/nf-sysinfoapi-globalmemorystatusex
func globalMemoryStatusEx() (_MEMORYSTATUSEX, error) {
var mem_status _MEMORYSTATUSEX
mem_status.dwLength = uint32(unsafe.Sizeof(mem_status))
_, _, err := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&mem_status)))
if err != syscall.Errno(0) {
return mem_status, err
}
return mem_status, nil
}
// typedef struct _SYSTEM_INFO {
// union {
// DWORD dwOemId;
// struct {
// WORD wProcessorArchitecture;
// WORD wReserved;
// };
// };
// DWORD dwPageSize;
// LPVOID lpMinimumApplicationAddress;
// LPVOID lpMaximumApplicationAddress;
// DWORD_PTR dwActiveProcessorMask;
// DWORD dwNumberOfProcessors;
// DWORD dwProcessorType;
// DWORD dwAllocationGranularity;
// WORD wProcessorLevel;
// WORD wProcessorRevision;
// } SYSTEM_INFO;
// https://docs.microsoft.com/en-gb/windows/win32/api/sysinfoapi/ns-sysinfoapi-system_info
type _SYSTEM_INFO struct {
dwOemId DWORD
dwPageSize DWORD
lpMinimumApplicationAddress uintptr
lpMaximumApplicationAddress uintptr
dwActiveProcessorMask uintptr
dwNumberOfProcessors DWORD
dwProcessorType DWORD
dwAllocationGranularity DWORD
wProcessorLevel WORD
wProcessorRevision WORD
}
// void WINAPI GetSystemInfo(
// _Out_ LPSYSTEM_INFO lpSystemInfo
// );
// https://docs.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getsysteminfo
func getSystemInfo() (_SYSTEM_INFO, error) {
var si _SYSTEM_INFO
_, _, err := procGetSystemInfo.Call(uintptr(unsafe.Pointer(&si)))
if err != syscall.Errno(0) {
return si, err
}
return si, nil
}
// BOOL GetProcessWorkingSetSize(
// HANDLE hProcess,
// PSIZE_T lpMinimumWorkingSetSize,
// PSIZE_T lpMaximumWorkingSetSize
// );
// https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getprocessworkingsetsize
func getProcessWorkingSetSize(process uintptr, dwMinWorkingSet *uint64, dwMaxWorkingSet *uint64) error {
r1, _, err := syscall.Syscall(procGetProcessWorkingSetSize.Addr(), 3, process, uintptr(unsafe.Pointer(dwMinWorkingSet)), uintptr(unsafe.Pointer(dwMaxWorkingSet)))
if r1 == 0 {
if err != syscall.Errno(0) {
return err
}
}
return nil
}
// BOOL SetProcessWorkingSetSize(
// HANDLE hProcess,
// SIZE_T dwMinimumWorkingSetSize,
// SIZE_T dwMaximumWorkingSetSize
// );
// https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setprocessworkingsetsize
func setProcessWorkingSetSize(process uintptr, dwMinWorkingSet uint64, dwMaxWorkingSet uint64) error {
r1, _, err := syscall.Syscall(procSetProcessWorkingSetSize.Addr(), 3, process, uintptr(dwMinWorkingSet), uintptr(dwMaxWorkingSet))
if r1 == 0 {
if err != syscall.Errno(0) {
return err
}
}
return nil
}

View file

@ -9,6 +9,7 @@ import (
"math"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -29,39 +30,25 @@ func (n *Needle) DiskSize(version Version) int64 {
return GetActualSize(n.Size, version)
}
func (n *Needle) Append(w *os.File, version Version) (offset uint64, size uint32, actualSize int64, err error) {
if end, e := w.Seek(0, io.SeekEnd); e == nil {
defer func(w *os.File, off int64) {
if err != nil {
if te := w.Truncate(end); te != nil {
glog.V(0).Infof("Failed to truncate %s back to %d with error: %v", w.Name(), end, te)
}
}
}(w, end)
offset = uint64(end)
} else {
err = fmt.Errorf("Cannot Read Current Volume Position: %v", e)
return
}
func (n *Needle) prepareWriteBuffer(version Version) ([]byte, uint32, int64, error) {
writeBytes := make([]byte, 0)
switch version {
case Version1:
header := make([]byte, NeedleHeaderSize)
CookieToBytes(header[0:CookieSize], n.Cookie)
NeedleIdToBytes(header[CookieSize:CookieSize+NeedleIdSize], n.Id)
n.Size = uint32(len(n.Data))
size = n.Size
util.Uint32toBytes(header[CookieSize+NeedleIdSize:CookieSize+NeedleIdSize+SizeSize], n.Size)
if _, err = w.Write(header); err != nil {
return
}
if _, err = w.Write(n.Data); err != nil {
return
}
actualSize = NeedleHeaderSize + int64(n.Size)
size := n.Size
actualSize := NeedleHeaderSize + int64(n.Size)
writeBytes = append(writeBytes, header...)
writeBytes = append(writeBytes, n.Data...)
padding := PaddingLength(n.Size, version)
util.Uint32toBytes(header[0:NeedleChecksumSize], n.Checksum.Value())
_, err = w.Write(header[0 : NeedleChecksumSize+padding])
return
writeBytes = append(writeBytes, header[0:NeedleChecksumSize+padding]...)
return writeBytes, size, actualSize, nil
case Version2, Version3:
header := make([]byte, NeedleHeaderSize+TimestampSize) // adding timestamp to reuse it and avoid extra allocation
CookieToBytes(header[0:CookieSize], n.Cookie)
@ -92,82 +79,101 @@ func (n *Needle) Append(w *os.File, version Version) (offset uint64, size uint32
} else {
n.Size = 0
}
size = n.DataSize
util.Uint32toBytes(header[CookieSize+NeedleIdSize:CookieSize+NeedleIdSize+SizeSize], n.Size)
if _, err = w.Write(header[0:NeedleHeaderSize]); err != nil {
return
}
writeBytes = append(writeBytes, header[0:NeedleHeaderSize]...)
if n.DataSize > 0 {
util.Uint32toBytes(header[0:4], n.DataSize)
if _, err = w.Write(header[0:4]); err != nil {
return
}
if _, err = w.Write(n.Data); err != nil {
return
}
writeBytes = append(writeBytes, header[0:4]...)
writeBytes = append(writeBytes, n.Data...)
util.Uint8toBytes(header[0:1], n.Flags)
if _, err = w.Write(header[0:1]); err != nil {
return
}
writeBytes = append(writeBytes, header[0:1]...)
if n.HasName() {
util.Uint8toBytes(header[0:1], n.NameSize)
if _, err = w.Write(header[0:1]); err != nil {
return
}
if _, err = w.Write(n.Name[:n.NameSize]); err != nil {
return
}
writeBytes = append(writeBytes, header[0:1]...)
writeBytes = append(writeBytes, n.Name[:n.NameSize]...)
}
if n.HasMime() {
util.Uint8toBytes(header[0:1], n.MimeSize)
if _, err = w.Write(header[0:1]); err != nil {
return
}
if _, err = w.Write(n.Mime); err != nil {
return
}
writeBytes = append(writeBytes, header[0:1]...)
writeBytes = append(writeBytes, n.Mime...)
}
if n.HasLastModifiedDate() {
util.Uint64toBytes(header[0:8], n.LastModified)
if _, err = w.Write(header[8-LastModifiedBytesLength : 8]); err != nil {
return
}
writeBytes = append(writeBytes, header[8-LastModifiedBytesLength:8]...)
}
if n.HasTtl() && n.Ttl != nil {
n.Ttl.ToBytes(header[0:TtlBytesLength])
if _, err = w.Write(header[0:TtlBytesLength]); err != nil {
return
}
writeBytes = append(writeBytes, header[0:TtlBytesLength]...)
}
if n.HasPairs() {
util.Uint16toBytes(header[0:2], n.PairsSize)
if _, err = w.Write(header[0:2]); err != nil {
return
}
if _, err = w.Write(n.Pairs); err != nil {
return
}
writeBytes = append(writeBytes, header[0:2]...)
writeBytes = append(writeBytes, n.Pairs...)
}
}
padding := PaddingLength(n.Size, version)
util.Uint32toBytes(header[0:NeedleChecksumSize], n.Checksum.Value())
if version == Version2 {
_, err = w.Write(header[0 : NeedleChecksumSize+padding])
writeBytes = append(writeBytes, header[0:NeedleChecksumSize+padding]...)
} else {
// version3
util.Uint64toBytes(header[NeedleChecksumSize:NeedleChecksumSize+TimestampSize], n.AppendAtNs)
_, err = w.Write(header[0 : NeedleChecksumSize+TimestampSize+padding])
writeBytes = append(writeBytes, header[0:NeedleChecksumSize+TimestampSize+padding]...)
}
return offset, n.DataSize, GetActualSize(n.Size, version), err
return writeBytes, n.DataSize, GetActualSize(n.Size, version), nil
}
return 0, 0, 0, fmt.Errorf("Unsupported Version! (%d)", version)
return writeBytes, 0, 0, fmt.Errorf("Unsupported Version! (%d)", version)
}
func (n *Needle) Append(w *os.File, version Version) (offset uint64, size uint32, actualSize int64, err error) {
mMap, exists := memory_map.FileMemoryMap[w.Name()]
if !exists {
if end, e := w.Seek(0, io.SeekEnd); e == nil {
defer func(w *os.File, off int64) {
if err != nil {
if te := w.Truncate(end); te != nil {
glog.V(0).Infof("Failed to truncate %s back to %d with error: %v", w.Name(), end, te)
}
}
}(w, end)
offset = uint64(end)
} else {
err = fmt.Errorf("Cannot Read Current Volume Position: %v", e)
return
}
} else {
offset = uint64(mMap.End_of_file + 1)
}
bytesToWrite, size, actualSize, err := n.prepareWriteBuffer(version)
if err == nil {
if exists {
mMap.WriteMemory(offset, uint64(len(bytesToWrite)), bytesToWrite)
} else {
_, err = w.Write(bytesToWrite)
}
}
return offset, size, actualSize, err
}
func ReadNeedleBlob(r *os.File, offset int64, size uint32, version Version) (dataSlice []byte, err error) {
dataSlice = make([]byte, int(GetActualSize(size, version)))
_, err = r.ReadAt(dataSlice, offset)
return dataSlice, err
dataSize := GetActualSize(size, version)
dataSlice = make([]byte, int(dataSize))
mMap, exists := memory_map.FileMemoryMap[r.Name()]
if exists {
dataSlice, err := mMap.ReadMemory(uint64(offset), uint64(dataSize))
return dataSlice, err
} else {
_, err = r.ReadAt(dataSlice, offset)
return dataSlice, err
}
}
// ReadBytes hydrates the needle from the bytes buffer, with only n.Id is set.
@ -280,14 +286,24 @@ func ReadNeedleHeader(r *os.File, version Version, offset int64) (n *Needle, byt
n = new(Needle)
if version == Version1 || version == Version2 || version == Version3 {
bytes = make([]byte, NeedleHeaderSize)
var count int
count, err = r.ReadAt(bytes, offset)
if count <= 0 || err != nil {
return nil, bytes, 0, err
mMap, exists := memory_map.FileMemoryMap[r.Name()]
if exists {
bytes, err = mMap.ReadMemory(uint64(offset), NeedleHeaderSize)
if err != nil {
return nil, bytes, 0, err
}
} else {
var count int
count, err = r.ReadAt(bytes, offset)
if count <= 0 || err != nil {
return nil, bytes, 0, err
}
}
n.ParseNeedleHeader(bytes)
bodyLength = NeedleBodyLength(n.Size, version)
}
return
}

View file

@ -0,0 +1,14 @@
package needle
import "strconv"
func ReadMemoryMapMaxSizeMB(MemoryMapMaxSizeMBString string) (uint32, error) {
if MemoryMapMaxSizeMBString == "" {
return 0, nil
}
var MemoryMapMaxSize64 uint64
var err error
MemoryMapMaxSize64, err = strconv.ParseUint(MemoryMapMaxSizeMBString, 10, 32)
MemoryMapMaxSize := uint32(MemoryMapMaxSize64)
return MemoryMapMaxSize, err
}

View file

@ -0,0 +1,10 @@
package needle
import "testing"
func TestMemoryMapMaxSizeReadWrite(t *testing.T) {
memoryMapSize, _ := ReadMemoryMapMaxSizeMB("5000")
if memoryMapSize != 5000 {
t.Errorf("empty memoryMapSize:%v", memoryMapSize)
}
}

View file

@ -59,7 +59,7 @@ func NewStore(grpcDialOption grpc.DialOption, port int, ip, publicUrl string, di
return
}
func (s *Store) AddVolume(volumeId needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string, preallocate int64) error {
func (s *Store) AddVolume(volumeId needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string, preallocate int64, memoryMapMaxSizeMB uint32) error {
rt, e := NewReplicaPlacementFromString(replicaPlacement)
if e != nil {
return e
@ -68,7 +68,7 @@ func (s *Store) AddVolume(volumeId needle.VolumeId, collection string, needleMap
if e != nil {
return e
}
e = s.addVolume(volumeId, collection, needleMapKind, rt, ttl, preallocate)
e = s.addVolume(volumeId, collection, needleMapKind, rt, ttl, preallocate, memoryMapMaxSizeMB)
return e
}
func (s *Store) DeleteCollection(collection string) (e error) {
@ -101,14 +101,14 @@ func (s *Store) FindFreeLocation() (ret *DiskLocation) {
}
return ret
}
func (s *Store) addVolume(vid needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64) error {
func (s *Store) addVolume(vid needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMB uint32) error {
if s.findVolume(vid) != nil {
return fmt.Errorf("Volume Id %d already exists!", vid)
}
if location := s.FindFreeLocation(); location != nil {
glog.V(0).Infof("In dir %s adds volume:%v collection:%s replicaPlacement:%v ttl:%v",
location.Directory, vid, collection, replicaPlacement, ttl)
if volume, err := NewVolume(location.Directory, collection, vid, needleMapKind, replicaPlacement, ttl, preallocate); err == nil {
if volume, err := NewVolume(location.Directory, collection, vid, needleMapKind, replicaPlacement, ttl, preallocate, memoryMapMaxSizeMB); err == nil {
location.SetVolume(vid, volume)
glog.V(0).Infof("add volume %d", vid)
s.NewVolumesChan <- master_pb.VolumeShortInformationMessage{

View file

@ -18,13 +18,14 @@ import (
)
type Volume struct {
Id needle.VolumeId
dir string
Collection string
dataFile *os.File
nm NeedleMapper
needleMapKind NeedleMapType
readOnly bool
Id needle.VolumeId
dir string
Collection string
dataFile *os.File
nm NeedleMapper
needleMapKind NeedleMapType
readOnly bool
MemoryMapMaxSizeMB uint32
SuperBlock
@ -38,9 +39,9 @@ type Volume struct {
isCompacting bool
}
func NewVolume(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64) (v *Volume, e error) {
func NewVolume(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMB uint32) (v *Volume, e error) {
// if replicaPlacement is nil, the superblock will be loaded from disk
v = &Volume{dir: dirname, Collection: collection, Id: id}
v = &Volume{dir: dirname, Collection: collection, Id: id, MemoryMapMaxSizeMB: memoryMapMaxSizeMB}
v.SuperBlock = SuperBlock{ReplicaPlacement: replicaPlacement, Ttl: ttl}
v.needleMapKind = needleMapKind
e = v.load(true, true, needleMapKind, preallocate)

View file

@ -1,4 +1,4 @@
// +build !linux
// +build !linux,!windows
package storage
@ -8,8 +8,8 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
)
func createVolumeFile(fileName string, preallocate int64) (file *os.File, e error) {
file, e = os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (*os.File, error) {
file, e := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if preallocate > 0 {
glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
}

View file

@ -9,8 +9,8 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
)
func createVolumeFile(fileName string, preallocate int64) (file *os.File, e error) {
file, e = os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (*os.File, error) {
file, e := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if preallocate != 0 {
syscall.Fallocate(int(file.Fd()), 1, 0, preallocate)
glog.V(0).Infof("Preallocated %d bytes disk space for %s", preallocate, fileName)

View file

@ -0,0 +1,38 @@
// +build windows
package storage
import (
"os"
"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
"golang.org/x/sys/windows"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/os_overloads"
)
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (*os.File, error) {
mMap, exists := memory_map.FileMemoryMap[fileName]
if !exists {
if preallocate > 0 {
glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
}
if memoryMapSizeMB > 0 {
file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT, 0644, true)
memory_map.FileMemoryMap[fileName] = new(memory_map.MemoryMap)
new_mMap := memory_map.FileMemoryMap[fileName]
new_mMap.CreateMemoryMap(file, 1024*1024*uint64(memoryMapSizeMB))
return file, e
} else {
file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT|windows.O_TRUNC, 0644, false)
return file, e
}
} else {
return mMap.File, nil
}
}

View file

@ -42,7 +42,7 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind
}
} else {
if createDatIfMissing {
v.dataFile, e = createVolumeFile(fileName+".dat", preallocate)
v.dataFile, e = createVolumeFile(fileName+".dat", preallocate, v.MemoryMapMaxSizeMB)
} else {
return fmt.Errorf("Volume Data file %s.dat does not exist.", fileName)
}

View file

@ -9,6 +9,7 @@ import (
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -44,6 +45,12 @@ func (v *Volume) Destroy() (err error) {
err = fmt.Errorf("volume %d is compacting", v.Id)
return
}
mMap, exists := memory_map.FileMemoryMap[v.dataFile.Name()]
if exists {
mMap.DeleteFileAndMemoryMap()
delete(memory_map.FileMemoryMap, v.dataFile.Name())
}
v.Close()
os.Remove(v.FileName() + ".dat")
os.Remove(v.FileName() + ".idx")

View file

@ -4,11 +4,13 @@ import (
"fmt"
"os"
"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
"github.com/golang/protobuf/proto"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/golang/protobuf/proto"
)
const (
@ -74,24 +76,34 @@ func (s *SuperBlock) Initialized() bool {
}
func (v *Volume) maybeWriteSuperBlock() error {
stat, e := v.dataFile.Stat()
if e != nil {
glog.V(0).Infof("failed to stat datafile %s: %v", v.dataFile.Name(), e)
return e
}
if stat.Size() == 0 {
v.SuperBlock.version = needle.CurrentVersion
_, e = v.dataFile.Write(v.SuperBlock.Bytes())
if e != nil && os.IsPermission(e) {
//read-only, but zero length - recreate it!
if v.dataFile, e = os.Create(v.dataFile.Name()); e == nil {
if _, e = v.dataFile.Write(v.SuperBlock.Bytes()); e == nil {
v.readOnly = false
mMap, exists := memory_map.FileMemoryMap[v.dataFile.Name()]
if exists {
if mMap.End_of_file == -1 {
v.SuperBlock.version = needle.CurrentVersion
mMap.WriteMemory(0, uint64(len(v.SuperBlock.Bytes())), v.SuperBlock.Bytes())
}
return nil
} else {
stat, e := v.dataFile.Stat()
if e != nil {
glog.V(0).Infof("failed to stat datafile %s: %v", v.dataFile.Name(), e)
return e
}
if stat.Size() == 0 {
v.SuperBlock.version = needle.CurrentVersion
_, e = v.dataFile.Write(v.SuperBlock.Bytes())
if e != nil && os.IsPermission(e) {
//read-only, but zero length - recreate it!
if v.dataFile, e = os.Create(v.dataFile.Name()); e == nil {
if _, e = v.dataFile.Write(v.SuperBlock.Bytes()); e == nil {
v.readOnly = false
}
}
}
}
return e
}
return e
}
func (v *Volume) readSuperBlock() (err error) {
@ -101,15 +113,26 @@ func (v *Volume) readSuperBlock() (err error) {
// ReadSuperBlock reads from data file and load it into volume's super block
func ReadSuperBlock(dataFile *os.File) (superBlock SuperBlock, err error) {
if _, err = dataFile.Seek(0, 0); err != nil {
err = fmt.Errorf("cannot seek to the beginning of %s: %v", dataFile.Name(), err)
return
}
header := make([]byte, _SuperBlockSize)
if _, e := dataFile.Read(header); e != nil {
err = fmt.Errorf("cannot read volume %s super block: %v", dataFile.Name(), e)
return
mMap, exists := memory_map.FileMemoryMap[dataFile.Name()]
if exists {
header, err = mMap.ReadMemory(0, _SuperBlockSize)
if err != nil {
err = fmt.Errorf("cannot read volume %s super block: %v", dataFile.Name(), err)
return
}
} else {
if _, err = dataFile.Seek(0, 0); err != nil {
err = fmt.Errorf("cannot seek to the beginning of %s: %v", dataFile.Name(), err)
return
}
if _, e := dataFile.Read(header); e != nil {
err = fmt.Errorf("cannot read volume %s super block: %v", dataFile.Name(), e)
return
}
}
superBlock.version = needle.Version(header[0])
if superBlock.ReplicaPlacement, err = NewReplicaPlacementFromByte(header[1]); err != nil {
err = fmt.Errorf("cannot read replica type: %s", err.Error())

View file

@ -22,86 +22,98 @@ func (v *Volume) garbageLevel() float64 {
}
func (v *Volume) Compact(preallocate int64, compactionBytePerSecond int64) error {
glog.V(3).Infof("Compacting volume %d ...", v.Id)
//no need to lock for copy on write
//v.accessLock.Lock()
//defer v.accessLock.Unlock()
//glog.V(3).Infof("Got Compaction lock...")
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
v.lastCompactIndexOffset = v.IndexFileSize()
v.lastCompactRevision = v.SuperBlock.CompactionRevision
glog.V(3).Infof("creating copies for volume %d ,last offset %d...", v.Id, v.lastCompactIndexOffset)
return v.copyDataAndGenerateIndexFile(filePath+".cpd", filePath+".cpx", preallocate, compactionBytePerSecond)
if v.MemoryMapMaxSizeMB > 0 { //it makes no sense to compact in memory
glog.V(3).Infof("Compacting volume %d ...", v.Id)
//no need to lock for copy on write
//v.accessLock.Lock()
//defer v.accessLock.Unlock()
//glog.V(3).Infof("Got Compaction lock...")
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
v.lastCompactIndexOffset = v.IndexFileSize()
v.lastCompactRevision = v.SuperBlock.CompactionRevision
glog.V(3).Infof("creating copies for volume %d ,last offset %d...", v.Id, v.lastCompactIndexOffset)
return v.copyDataAndGenerateIndexFile(filePath+".cpd", filePath+".cpx", preallocate, compactionBytePerSecond)
} else {
return nil
}
}
func (v *Volume) Compact2() error {
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
if v.MemoryMapMaxSizeMB > 0 { //it makes no sense to compact in memory
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
filePath := v.FileName()
glog.V(3).Infof("creating copies for volume %d ...", v.Id)
return v.copyDataBasedOnIndexFile(filePath+".cpd", filePath+".cpx")
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
glog.V(3).Infof("creating copies for volume %d ...", v.Id)
return v.copyDataBasedOnIndexFile(filePath+".cpd", filePath+".cpx")
} else {
return nil
}
}
func (v *Volume) CommitCompact() error {
glog.V(0).Infof("Committing volume %d vacuuming...", v.Id)
if v.MemoryMapMaxSizeMB > 0 { //it makes no sense to compact in memory
glog.V(0).Infof("Committing volume %d vacuuming...", v.Id)
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
v.dataFileAccessLock.Lock()
defer v.dataFileAccessLock.Unlock()
v.dataFileAccessLock.Lock()
defer v.dataFileAccessLock.Unlock()
glog.V(3).Infof("Got volume %d committing lock...", v.Id)
v.nm.Close()
if err := v.dataFile.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
v.dataFile = nil
stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Dec()
var e error
if e = v.makeupDiff(v.FileName()+".cpd", v.FileName()+".cpx", v.FileName()+".dat", v.FileName()+".idx"); e != nil {
glog.V(0).Infof("makeupDiff in CommitCompact volume %d failed %v", v.Id, e)
e = os.Remove(v.FileName() + ".cpd")
if e != nil {
return e
glog.V(3).Infof("Got volume %d committing lock...", v.Id)
v.nm.Close()
if err := v.dataFile.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
e = os.Remove(v.FileName() + ".cpx")
if e != nil {
return e
}
} else {
v.dataFile = nil
stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Dec()
var e error
if e = os.Rename(v.FileName()+".cpd", v.FileName()+".dat"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpd", e)
if e = v.makeupDiff(v.FileName()+".cpd", v.FileName()+".cpx", v.FileName()+".dat", v.FileName()+".idx"); e != nil {
glog.V(0).Infof("makeupDiff in CommitCompact volume %d failed %v", v.Id, e)
e = os.Remove(v.FileName() + ".cpd")
if e != nil {
return e
}
e = os.Remove(v.FileName() + ".cpx")
if e != nil {
return e
}
} else {
var e error
if e = os.Rename(v.FileName()+".cpd", v.FileName()+".dat"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpd", e)
}
if e = os.Rename(v.FileName()+".cpx", v.FileName()+".idx"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpx", e)
}
}
if e = os.Rename(v.FileName()+".cpx", v.FileName()+".idx"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpx", e)
//glog.V(3).Infof("Pretending to be vacuuming...")
//time.Sleep(20 * time.Second)
os.RemoveAll(v.FileName() + ".ldb")
os.RemoveAll(v.FileName() + ".bdb")
glog.V(3).Infof("Loading volume %d commit file...", v.Id)
if e = v.load(true, false, v.needleMapKind, 0); e != nil {
return e
}
}
//glog.V(3).Infof("Pretending to be vacuuming...")
//time.Sleep(20 * time.Second)
os.RemoveAll(v.FileName() + ".ldb")
os.RemoveAll(v.FileName() + ".bdb")
glog.V(3).Infof("Loading volume %d commit file...", v.Id)
if e = v.load(true, false, v.needleMapKind, 0); e != nil {
return e
}
return nil
}
@ -299,7 +311,7 @@ func (v *Volume) copyDataAndGenerateIndexFile(dstName, idxName string, prealloca
var (
dst, idx *os.File
)
if dst, err = createVolumeFile(dstName, preallocate); err != nil {
if dst, err = createVolumeFile(dstName, preallocate, v.MemoryMapMaxSizeMB); err != nil {
return
}
defer dst.Close()

View file

@ -68,7 +68,7 @@ func TestCompaction(t *testing.T) {
}
defer os.RemoveAll(dir) // clean up
v, err := NewVolume(dir, "", 1, NeedleMapInMemory, &ReplicaPlacement{}, &needle.TTL{}, 0)
v, err := NewVolume(dir, "", 1, NeedleMapInMemory, &ReplicaPlacement{}, &needle.TTL{}, 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
@ -95,7 +95,7 @@ func TestCompaction(t *testing.T) {
v.Close()
v, err = NewVolume(dir, "", 1, NeedleMapInMemory, nil, nil, 0)
v, err = NewVolume(dir, "", 1, NeedleMapInMemory, nil, nil, 0, 0)
if err != nil {
t.Fatalf("volume reloading: %v", err)
}

View file

@ -18,11 +18,12 @@ func AllocateVolume(dn *DataNode, grpcDialOption grpc.DialOption, vid needle.Vol
return operation.WithVolumeServerClient(dn.Url(), grpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
_, deleteErr := client.AllocateVolume(context.Background(), &volume_server_pb.AllocateVolumeRequest{
VolumeId: uint32(vid),
Collection: option.Collection,
Replication: option.ReplicaPlacement.String(),
Ttl: option.Ttl.String(),
Preallocate: option.Prealloacte,
VolumeId: uint32(vid),
Collection: option.Collection,
Replication: option.ReplicaPlacement.String(),
Ttl: option.Ttl.String(),
Preallocate: option.Prealloacte,
MemoryMapMaxSizeMB: option.MemoryMapMaxSizeMB,
})
return deleteErr
})

View file

@ -21,13 +21,14 @@ This package is created to resolve these replica placement issues:
*/
type VolumeGrowOption struct {
Collection string
ReplicaPlacement *storage.ReplicaPlacement
Ttl *needle.TTL
Prealloacte int64
DataCenter string
Rack string
DataNode string
Collection string
ReplicaPlacement *storage.ReplicaPlacement
Ttl *needle.TTL
Prealloacte int64
DataCenter string
Rack string
DataNode string
MemoryMapMaxSizeMB uint32
}
type VolumeGrowth struct {