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do moving gc for hotstore every 20 compactions

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that's about once a week
This commit is contained in:
vyzo 2021-07-12 11:14:36 +03:00
parent 818b8de182
commit 669b47cfc9
1 changed files with 34 additions and 23 deletions
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57
blockstore/splitstore/splitstore_gc.go
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@ -1,46 +1,57 @@
package splitstore
import (
"fmt"
"time"
bstore "github.com/filecoin-project/lotus/blockstore"
cid "github.com/ipfs/go-cid"
)
func (s *SplitStore) gcHotstore() {
// we only perform moving gc every 10 compactions as it can take a while
if s.compactionIndex%10 != 0 {
goto online_gc
// we only perform moving gc every 20 compactions (about once a week) as it can take a while
if s.compactionIndex%20 == 0 {
if err := s.gcBlockstoreMoving(s.hot, "", nil); err != nil {
log.Warnf("error moving hotstore: %s", err)
// fallthrough to online gc
} else {
return
}
}
// check if the hotstore is movable; if so, move it.
if mover, ok := s.hot.(bstore.BlockstoreMover); ok {
log.Info("moving hotstore")
if err := s.gcBlockstoreOnline(s.hot); err != nil {
log.Warnf("error garbage collecting hostore: %s", err)
}
}
func (s *SplitStore) gcBlockstoreMoving(b bstore.Blockstore, path string, filter func(cid.Cid) bool) error {
if mover, ok := b.(bstore.BlockstoreMover); ok {
log.Info("moving blockstore")
startMove := time.Now()
err := mover.MoveTo("", nil)
if err != nil {
log.Warnf("error moving hotstore: %s", err)
// try online gc
goto online_gc
if err := mover.MoveTo(path, filter); err != nil {
return err
}
log.Infow("moving hotstore done", "took", time.Since(startMove))
return
return nil
}
online_gc:
// check if the hotstore supports online GC; if so, GC it.
if gc, ok := s.hot.(bstore.BlockstoreGC); ok {
log.Info("garbage collecting hotstore")
return fmt.Errorf("blockstore doesn't support moving: %T", b)
}
func (s *SplitStore) gcBlockstoreOnline(b bstore.Blockstore) error {
if gc, ok := b.(bstore.BlockstoreGC); ok {
log.Info("garbage collecting blockstore")
startGC := time.Now()
err := gc.CollectGarbage()
if err != nil {
log.Warnf("error garbage collecting hotstore: %s", err)
return
if err := gc.CollectGarbage(); err != nil {
return err
}
log.Infof("garbage collecting hotstore done", "took", time.Since(startGC))
return
log.Infow("garbage collecting hotstore done", "took", time.Since(startGC))
return nil
}
return
return fmt.Errorf("blockstore doesn't support online gc: %T", b)
}