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coalesce back-to-back compactions

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get rid of the CompactionCold construct, run a single compaction on catch up
This commit is contained in:
vyzo 2021-06-17 18:24:03 +03:00
parent b7897595eb
commit c4d95de987
1 changed files with 5 additions and 10 deletions
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15
blockstore/splitstore/splitstore.go
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@ -35,21 +35,16 @@ var (
//
// |················· CompactionThreshold ··················|
// | |
// =======‖≡≡≡≡≡≡≡‖-----------------------|------------------------»
// | | | chain --> ↑__ current epoch
// |·······| |
// ↑________ CompactionCold ↑________ CompactionBoundary
// =======‖≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡‖|------------------------»
// | | chain --> ↑__ current epoch
// | archived epochs |
// ↑________ CompactionBoundary
//
// === :: cold (already archived)
// ≡≡≡ :: to be archived in this compaction
// --- :: hot
CompactionThreshold = 3 * build.Finality
// CompactionCold is the number of epochs that will be archived to the
// cold store on compaction. See diagram on CompactionThreshold for a
// better sense.
CompactionCold = build.Finality
// CompactionBoundary is the number of epochs from the current epoch at which
// we will walk the chain for live objects.
CompactionBoundary = 2 * build.Finality
@ -741,9 +736,9 @@ func (s *SplitStore) estimateMarkSetSize(curTs *types.TipSet) error {
}
func (s *SplitStore) doCompact(curTs *types.TipSet, syncGapEpoch abi.ChainEpoch) error {
coldEpoch := s.baseEpoch + CompactionCold
currentEpoch := curTs.Height()
boundaryEpoch := currentEpoch - CompactionBoundary
coldEpoch := boundaryEpoch - 1
log.Infow("running compaction", "currentEpoch", currentEpoch, "baseEpoch", s.baseEpoch, "coldEpoch", coldEpoch, "boundaryEpoch", boundaryEpoch)