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compact: move tombstone density compactions #4161

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jbowens opened this issue Nov 13, 2024 · 0 comments
Open

compact: move tombstone density compactions #4161

jbowens opened this issue Nov 13, 2024 · 0 comments
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@jbowens
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jbowens commented Nov 13, 2024 •
edited by cockroach-jira-scripts
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The move compaction optimization doesn't apply to compactions picked as tombstone density compactions, resulting in unnecessarily rewriting sstables that could've been trivially moved to the next level.

I241101 19:33:30.159675 12035713 3@pebble/event.go:776 ⋮ [n30,s141,pebble] 67372  [JOB 2477] compacted(tombstone-density) L4 [5400119] (4.0MB) Score=0.00 + L5 [] (0B) Score=0.00 -> L5 [5400166] (4.0MB), in 0.0s (0.0s total), output rate 98MB/s

Jira issue: PEBBLE-301
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