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be lenient when writing, but report right away when volume size limit is

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exceeded
This commit is contained in:
Chris Lu 2014-02-05 10:22:32 -08:00
parent 2cba123474
commit 2a8c60f71b
3 changed files with 10 additions and 9 deletions
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7
go/storage/needle.go
View file

@ -15,9 +15,10 @@ import (
)
const (
NeedleHeaderSize = 16 //should never change this
NeedlePaddingSize = 8
NeedleChecksumSize = 4
NeedleHeaderSize = 16 //should never change this
NeedlePaddingSize = 8
NeedleChecksumSize = 4
MaxPossibleVolumeSize = 4 * 1024 * 1024 * 1024 * 8
)
/*

10
go/storage/store.go
View file

@ -262,15 +262,15 @@ func (s *Store) Write(i VolumeId, n *Needle) (size uint32, err error) {
err = fmt.Errorf("Volume %s is read only!", i)
return
} else {
if s.volumeSizeLimit >= v.ContentSize()+uint64(size) {
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(size) {
size, err = v.write(n)
} else {
err = fmt.Errorf("Volume Size Limit %d Exceeded! Current size is %d", s.volumeSizeLimit, v.ContentSize())
}
if err != nil && s.volumeSizeLimit < v.ContentSize()+uint64(size) && s.volumeSizeLimit >= v.ContentSize() {
glog.V(0).Infoln("volume", i, "size is", v.ContentSize(), "close to", s.volumeSizeLimit)
if err = s.Join(); err != nil {
glog.V(0).Infoln("error with Join:", err)
if s.volumeSizeLimit < v.ContentSize()+uint64(size) {
glog.V(0).Infoln("volume", i, "size", v.ContentSize(), "will exceed limit", s.volumeSizeLimit)
if e = s.Join(); e != nil {
glog.V(0).Infoln("error when reporting size:", e)
}
}
}

2
go/weed/master.go
View file

@ -30,7 +30,7 @@ var (
mport = cmdMaster.Flag.Int("port", 9333, "http listen port")
mip = cmdMaster.Flag.String("ip", "localhost", "http listen port")
metaFolder = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data")
volumeSizeLimitMB = cmdMaster.Flag.Uint("volumeSizeLimitMB", 32*1024, "Default Volume Size in MegaBytes")
volumeSizeLimitMB = cmdMaster.Flag.Uint("volumeSizeLimitMB", 32*1000, "Default Volume Size in MegaBytes")
mpulse = cmdMaster.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
confFile = cmdMaster.Flag.String("conf", "/etc/weedfs/weedfs.conf", "xml configuration file")
defaultRepType = cmdMaster.Flag.String("defaultReplicationType", "000", "Default replication type if not specified.")