Comments (3)
GiedriusS
commented on July 2, 2024
Is your compactor running properly? Is the compaction backlog small (thanos_compact_todo_compactions)?
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vincent-olivert-riera
commented on July 2, 2024
Is your compactor running properly? Is the compaction backlog small (
thanos_compact_todo_compactions)?
Uhm..., from what I see, Thanos Compactor is not able to generate level-3 blocks.
Also, the metric you requested:
thanos_compact_todo_compactions 13274
It seems quite high.
So, let's see if my understanding is correct.
Because of Thanos Compactor is not able to do its job and compact the blocks, there are too many small blocks in the bucket, and that is causing the issue described in this thread?
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GiedriusS
commented on July 2, 2024
Yep, that's a huge backlog! It is necessary to keep that metric as low as possible. If you have lots of small blocks then the Store needs to build a lot of index headers that have in essence duplicated data due to the compaction process being stuck.
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Related Issues (20)
- Grafana only shows raw data from Thanos HOT 3
- Instance Principal Provider - Region issue
- Consider X-Forwarded-For on HTTP/GRPC Logging
- When I restart any Receive, the entire Seek cluster is unavailable, and the reboot can only be restored after the local data is fully understood HOT 2
- MaxTime is set to a too large number when doing larger latency requests? HOT 1
- Unauthorized errors for some endpoints with query-frontend HOT 1
- External labels not applied to alerts HOT 3
- 0.35: Panic with query mode distributed HOT 1
- query: Passing `THANOS-TENANT: <tenant>` header has no effect unless `--query.enforce-tenancy` is set HOT 3
- query: different results for rate function when not dedup or using implicit step interval HOT 8
- Thanos compactor causing huge memory spikes when compacting raw blocks HOT 2
- Ruler evaluation warning false alarm caused by engine warnings HOT 1
- Expose when Rule alert labels are being overwritten by its --label(s)
- Read value of remote_user in Slow Query Logs of Query Frontend from a HTTP header HOT 3
- Thanos Receive doesn't announce external_labels which are set in hashrings.json when it works in routing and ingesting mode. HOT 1
- Issue with deduplication alogrithm in Thanos HOT 4
- Query Stats Returned with query including query bytes fetched HOT 5
- Max and min pointed at Sidecars not working on 0.35 HOT 15
- `ThanosSidecarBucketOperationsFailed` alert is flaky
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