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optionally change the maximun number of CPUs

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This commit is contained in:
Chris Lu 2012-10-06 10:50:52 -07:00
parent 45a6323a4b
commit ba55296b18
2 changed files with 19 additions and 7 deletions
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12
weed-fs/src/cmd/weed/master.go
View File

@ -8,6 +8,7 @@ import (
"pkg/replication"
"pkg/storage"
"pkg/topology"
"runtime"
"strconv"
"strings"
"time"
@ -35,6 +36,7 @@ var (
confFile = cmdMaster.Flag.String("conf", "/etc/weedfs/weedfs.conf", "xml configuration file")
defaultRepType = cmdMaster.Flag.String("defaultReplicationType", "000", "Default replication type if not specified.")
mReadTimeout = cmdMaster.Flag.Int("readTimeout", 5, "connection read timeout in seconds")
mMaxCpu = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
)
var topo *topology.Topology
@ -107,9 +109,9 @@ func dirJoinHandler(w http.ResponseWriter, r *http.Request) {
}
func dirStatusHandler(w http.ResponseWriter, r *http.Request) {
m := make(map[string]interface{})
m["Version"] = VERSION
m["Topology"] = topo.ToMap()
m := make(map[string]interface{})
m["Version"] = VERSION
m["Topology"] = topo.ToMap()
writeJson(w, r, m)
}
@ -133,6 +135,10 @@ func volumeGrowHandler(w http.ResponseWriter, r *http.Request) {
}
func runMaster(cmd *Command, args []string) bool {
if *mMaxCpu < 1 {
*mMaxCpu = runtime.NumCPU()
}
runtime.GOMAXPROCS(*mMaxCpu)
topo = topology.NewTopology("topo", *confFile, *metaFolder, "weed", uint64(*volumeSizeLimitMB)*1024*1024, *mpulse)
vg = replication.NewDefaultVolumeGrowth()
log.Println("Volume Size Limit is", *volumeSizeLimitMB, "MB")

14
weed-fs/src/cmd/weed/volume.go
View File

@ -9,6 +9,7 @@ import (
"os"
"pkg/operation"
"pkg/storage"
"runtime"
"strconv"
"strings"
"time"
@ -36,15 +37,16 @@ var (
vpulse = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than the master's setting")
maxVolumeCount = cmdVolume.Flag.Int("max", 5, "maximum number of volumes")
vReadTimeout = cmdVolume.Flag.Int("readTimeout", 5, "connection read timeout in seconds")
vMaxCpu = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
store *storage.Store
)
func statusHandler(w http.ResponseWriter, r *http.Request) {
m := make(map[string]interface{})
m["Version"] = VERSION
m["Volumes"] = store.Status()
writeJson(w, r, m)
m := make(map[string]interface{})
m["Version"] = VERSION
m["Volumes"] = store.Status()
writeJson(w, r, m)
}
func assignVolumeHandler(w http.ResponseWriter, r *http.Request) {
err := store.AddVolume(r.FormValue("volume"), r.FormValue("replicationType"))
@ -248,6 +250,10 @@ func distributedOperation(volumeId storage.VolumeId, op func(location operation.
}
func runVolume(cmd *Command, args []string) bool {
if *vMaxCpu < 1 {
*vMaxCpu = runtime.NumCPU()
}
runtime.GOMAXPROCS(*vMaxCpu)
fileInfo, err := os.Stat(*volumeFolder)
if err != nil {
log.Fatalf("No Existing Folder:%s", *volumeFolder)