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Lazy loading (#3958)

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* types packages is imported more than onece

* lazy-loading

* fix bugs

* fix bugs

* fix unit tests

* fix test error

* rename function

* unload ldb after initial startup

* Don't load ldb when starting volume server if ldbtimeout is set.

* remove uncessary unloadldb

* Update weed/command/server.go

Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>

* Update weed/command/volume.go

Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>

Co-authored-by: guol-fnst <goul-fnst@fujitsu.com>
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
This commit is contained in:
Guo Lei
2022-11-14 16:19:27 +08:00
committed by GitHub
parent d90aa31d5f
commit 5b905fb2b7
18 changed files with 179 additions and 55 deletions
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3
weed/command/volume.go
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@@ -68,6 +68,7 @@ type VolumeServerOptions struct {
inflightUploadDataTimeout *time.Duration
hasSlowRead *bool
readBufferSizeMB *int
ldbTimeout *int64
}
func init() {
@@ -92,6 +93,7 @@ func init() {
v.memProfile = cmdVolume.Flag.String("memprofile", "", "memory profile output file")
v.compactionMBPerSecond = cmdVolume.Flag.Int("compactionMBps", 0, "limit background compaction or copying speed in mega bytes per second")
v.fileSizeLimitMB = cmdVolume.Flag.Int("fileSizeLimitMB", 256, "limit file size to avoid out of memory")
v.ldbTimeout = cmdVolume.Flag.Int64("index.leveldbTimeout", 0, "alive time for leveldb (default to 0). If leveldb of volume is not accessed in ldbTimeout hours, it will be off loaded to reduce opened files and memory consumption.")
v.concurrentUploadLimitMB = cmdVolume.Flag.Int("concurrentUploadLimitMB", 256, "limit total concurrent upload size")
v.concurrentDownloadLimitMB = cmdVolume.Flag.Int("concurrentDownloadLimitMB", 256, "limit total concurrent download size")
v.pprof = cmdVolume.Flag.Bool("pprof", false, "enable pprof http handlers. precludes --memprofile and --cpuprofile")
@@ -249,6 +251,7 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
*v.inflightUploadDataTimeout,
*v.hasSlowRead,
*v.readBufferSizeMB,
*v.ldbTimeout,
)
// starting grpc server
grpcS := v.startGrpcService(volumeServer)