fix: Update segment compactTo when compactTo segment is compacted #28755
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Related to #28736 #28748
See also #27675
Previous PR: #28646
This PR fixes
SegmentNotFound
issue when compaction happens multiple times and the buffer of first generation segment is sync due to stale policyNow the
CompactSegments
API of metacache shall update the compactTo field of segmentInfo if the compactTo segment is also compacted to keep the bloodline cleanAlso, add the
CompactedSegment
SyncPolicy to sync the compacted segment asap to keep metacache cleanNow the
SyncPolicy
is an interface instead of a function type so that when it selects some segments to sync, we colud log the reason and target segment