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Recently we have witnessed multiple issues related to compaction/compactor:
- #10209
- #10161
- #10538
- #10215
- #10240
These issues are related to excessive compaction load, compactor fail…
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In hummock, compaction can be categorized into two basic types:
- trivial task: apply on meta node
- normal task: meta and compactor collaboration
The compaction task picks the inputs by the pic…
Li0k updated
2 months ago
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In hummock, automatically triggered compaction and manual compaction are supported to meet the needs of most scenarios.
However, each time manual compaction is initiated, only one compact task is tr…
Li0k updated
2 months ago
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Lots of bloom filter rebuilds are seen during split compactions. Turns out partition estimation on input is not adjusting for the split, so each output filter is twice as large as it should, triggerin…
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https://neondb.slack.com/archives/C033RQ5SPDH/p1720712394852919?thread_ts=1720702469.555749&cid=C033RQ5SPDH
failed compaction will keep the resources on the disk, and it will cause bloated space pr…
skyzh updated
4 weeks ago
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### What would you like to be added?
Currently, compaction is coupled with shard, which has several drawback…
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We need to have a new API call that "compacts" all the sealed tokens + staging token for a given branch.
The process is detailed in the compactor [design](https://github.com/treeverse/lakeFS/pull/744…
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https://github.com/EcologyR/BlueCarbon/blob/5263a4eb7490c08c3adba7a3af41e9f3a412c5fb/R/estimate_compaction.R#L1
Calculates percentage of core compression per cores.
Accepts data.frame with core f…
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