Lazy loading (#3958)

* 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

View File

@@ -43,6 +43,7 @@ type Volume struct {
lastCompactIndexOffset uint64
lastCompactRevision uint16
ldbTimeout int64
isCompacting bool
isCommitCompacting bool
@@ -53,12 +54,13 @@ type Volume struct {
lastIoError error
}
func NewVolume(dirname string, dirIdx string, collection string, id needle.VolumeId, needleMapKind NeedleMapKind, replicaPlacement *super_block.ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) (v *Volume, e error) {
func NewVolume(dirname string, dirIdx string, collection string, id needle.VolumeId, needleMapKind NeedleMapKind, replicaPlacement *super_block.ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32, ldbTimeout int64) (v *Volume, e error) {
// if replicaPlacement is nil, the superblock will be loaded from disk
v = &Volume{dir: dirname, dirIdx: dirIdx, Collection: collection, Id: id, MemoryMapMaxSizeMb: memoryMapMaxSizeMb,
asyncRequestsChan: make(chan *needle.AsyncRequest, 128)}
v.SuperBlock = super_block.SuperBlock{ReplicaPlacement: replicaPlacement, Ttl: ttl}
v.needleMapKind = needleMapKind
v.ldbTimeout = ldbTimeout
e = v.load(true, true, needleMapKind, preallocate)
v.startWorker()
return