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garbage collect hotstore after compaction #5744

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merged 4 commits into from
Mar 8, 2021
Merged

garbage collect hotstore after compaction #5744

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8562a9b
garbage collect hotstore after compaction
vyzo Mar 8, 2021
52de95d
also gc in compactFull, not just compactSimple
vyzo Mar 8, 2021
3d1b855
rename GC to CollectGarbage, ignore badger.ErrNoRewrite
vyzo Mar 8, 2021
3bd7770
deduplicate code
vyzo Mar 8, 2021
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9 changes: 9 additions & 0 deletions blockstore/badger/blockstore.go
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,15 @@ func (b *Blockstore) Close() error {
return b.DB.Close()
}

// GC runs garbage collection on the value log
func (b *Blockstore) GC() error {
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if atomic.LoadInt64(&b.state) != stateOpen {
return ErrBlockstoreClosed
}

return b.DB.RunValueLogGC(0.125)
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}

// View implements blockstore.Viewer, which leverages zero-copy read-only
// access to values.
func (b *Blockstore) View(cid cid.Cid, fn func([]byte) error) error {
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22 changes: 22 additions & 0 deletions blockstore/splitstore/splitstore.go
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Original file line number Diff line number Diff line change
Expand Up @@ -710,6 +710,17 @@ func (s *SplitStore) compactSimple(curTs *types.TipSet) error {
return xerrors.Errorf("error syncing tracker: %w", err)
}

if gc, ok := s.hot.(interface{ GC() error }); ok {
log.Infof("garbage collecting hotstore")
startGC := time.Now()
err = gc.GC()
if err != nil {
log.Warnf("error garbage collecting hotstore: %s", err)
} else {
log.Infow("garbage collecting done", "took", time.Since(startGC))
}
}

err = s.setBaseEpoch(coldEpoch)
if err != nil {
return xerrors.Errorf("error saving base epoch: %w", err)
Expand Down Expand Up @@ -1005,6 +1016,17 @@ func (s *SplitStore) compactFull(curTs *types.TipSet) error {
return xerrors.Errorf("error syncing tracker: %w", err)
}

if gc, ok := s.hot.(interface{ GC() error }); ok {
log.Infof("garbage collecting hotstore")
startGC := time.Now()
err = gc.GC()
if err != nil {
log.Warnf("error garbage collecting hotstore: %s", err)
} else {
log.Infow("garbage collecting done", "took", time.Since(startGC))
}
}

err = s.setBaseEpoch(coldEpoch)
if err != nil {
return xerrors.Errorf("error saving base epoch: %w", err)
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