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reintroduce compaction slack

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This commit is contained in:
vyzo 2021-06-17 20:27:37 +03:00
parent a178c1fb93
commit a25ac80777
1 changed files with 10 additions and 5 deletions
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15
blockstore/splitstore/splitstore.go
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@ -35,10 +35,11 @@ var (
//
// |················· CompactionThreshold ··················|
// | |
// =======‖≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡‖|------------------------»
// | | chain --> ↑__ current epoch
// | archived epochs |
// ↑________ CompactionBoundary
// =======‖≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡‖----------|------------------------»
// | | | chain --> ↑__ current epoch
// | archived epochs ___↑ |
// | ↑________ CompactionBoundary
// ↑__ CompactionSlack
//
// === :: cold (already archived)
// ≡≡≡ :: to be archived in this compaction
@ -49,6 +50,10 @@ var (
// we will walk the chain for live objects.
CompactionBoundary = 2 * build.Finality
// CompactionSlack is the number of epochs from the compaction boundary to the beginning
// of the cold epoch.
CompactionSlack = build.Finality
// SyncGapTime is the time delay from a tipset's min timestamp before we decide
// there is a sync gap
SyncGapTime = time.Minute
@ -738,7 +743,7 @@ func (s *SplitStore) estimateMarkSetSize(curTs *types.TipSet) error {
func (s *SplitStore) doCompact(curTs *types.TipSet, syncGapEpoch abi.ChainEpoch) error {
currentEpoch := curTs.Height()
boundaryEpoch := currentEpoch - CompactionBoundary
coldEpoch := boundaryEpoch - 1
coldEpoch := boundaryEpoch - CompactionSlack
log.Infow("running compaction", "currentEpoch", currentEpoch, "baseEpoch", s.baseEpoch, "coldEpoch", coldEpoch, "boundaryEpoch", boundaryEpoch)