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enhance deletion operation

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This commit is contained in:
Chris Lu 2014-03-20 13:30:34 -07:00
parent 7c5c94785c
commit 7251e357e7
4 changed files with 49 additions and 26 deletions
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14
go/operation/delete_content.go
View file

@ -1,8 +1,7 @@
package operation
import (
"code.google.com/p/weed-fs/go/glog"
"net/http"
"code.google.com/p/weed-fs/go/util"
)
func DeleteFile(server string, fileId string) error {
@ -10,14 +9,5 @@ func DeleteFile(server string, fileId string) error {
if err != nil {
return err
}
return Delete(fileUrl)
}
func Delete(url string) error {
req, err := http.NewRequest("DELETE", url, nil)
if err != nil {
glog.V(0).Infoln("failing to delete", url)
return err
}
_, err = client.Do(req)
return err
return util.Delete(fileUrl)
}

5
go/replication/store_replicate.go
View file

@ -5,6 +5,7 @@ import (
"code.google.com/p/weed-fs/go/glog"
"code.google.com/p/weed-fs/go/operation"
"code.google.com/p/weed-fs/go/storage"
"code.google.com/p/weed-fs/go/util"
"net/http"
"strconv"
)
@ -39,7 +40,7 @@ func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.Volum
volumeId.String() + ": " + err.Error()
} else {
distributedOperation(masterNode, s, volumeId, func(location operation.Location) bool {
return nil == operation.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
})
}
}
@ -61,7 +62,7 @@ func ReplicatedDelete(masterNode string, store *storage.Store, volumeId storage.
if needToReplicate { //send to other replica locations
if r.FormValue("type") != "replicate" {
if !distributedOperation(masterNode, store, volumeId, func(location operation.Location) bool {
return nil == operation.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
}) {
ret = 0
}

19
go/util/http_util.go
View file

@ -52,3 +52,22 @@ func Get(url string) ([]byte, error) {
}
return b, nil
}
func Delete(url string) error {
req, err := http.NewRequest("DELETE", url, nil)
if err != nil {
glog.V(0).Infoln("failing to delete", url)
return err
}
resp, e := client.Do(req)
if e != nil {
glog.V(0).Infoln(e)
return e
}
defer resp.Body.Close()
if _, err := ioutil.ReadAll(resp.Body); err != nil {
glog.V(0).Infoln("read get result from", url, err)
return err
}
return nil
}

37
go/weed/benchmark.go
View file

@ -166,6 +166,28 @@ func bench_read() {
}
func writeFiles(idChan chan int, fileIdLineChan chan string, s *stats) {
deleteChan := make(chan *operation.FilePart, 100)
var waitForDeletions sync.WaitGroup
time.Sleep(time.Duration(rand.Intn(1000)) * time.Millisecond)
for i := 0; i < 7; i++ {
go func() {
waitForDeletions.Add(1)
for fp := range deleteChan {
if fp == nil {
break
}
serverLimitChan[fp.Server] <- true
if e := util.Delete("http://" + fp.Server + "/" + fp.Fid); e == nil {
s.completed++
} else {
s.failed++
}
<-serverLimitChan[fp.Server]
}
waitForDeletions.Done()
}()
}
for {
if id, ok := <-idChan; ok {
start := time.Now()
@ -180,16 +202,7 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stats) {
if _, err := fp.Upload(0, *b.server); err == nil {
if rand.Intn(100) < *b.deletePercentage {
s.total++
go func() {
time.Sleep(time.Duration(rand.Intn(1000)) * time.Millisecond)
serverLimitChan[fp.Server] <- true
if e := operation.DeleteFile(*b.server, fp.Fid); e == nil {
s.completed++
} else {
s.failed++
}
<-serverLimitChan[fp.Server]
}()
deleteChan <- fp
} else {
fileIdLineChan <- fp.Fid
}
@ -211,8 +224,8 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stats) {
break
}
}
//wait for the deleting goroutines
time.Sleep(time.Duration(1500) * time.Millisecond)
close(deleteChan)
waitForDeletions.Wait()
wait.Done()
}