Ganesh Vernekar

#### Describe the bug During force compaction or compaction when idle, we do not compact the out of order data. https://github.com/grafana/mimir/blob/main/pkg/ingester/ingester.go#L1885-L1892 We call `compactHead`, which calls `TSDB.CompactHead()`, which only compacts...

Closes https://github.com/prometheus/prometheus/issues/11255

Update dependencies for v2.39

5

I haven't verified individual dependencies yet (however, the upgrade seems small, so as long as the tests pass, I am gonna pass it as well). ~Also, I got errors while...

Out-of-order post merge cleanup

10

A few TODOs coming out of https://github.com/prometheus/prometheus/pull/11075 - [x] Add documentation for out of order feature and the config (before v2.39) - [ ] Get rid of the `EncOOOXOR` from...

This issue branches out from discussion in https://github.com/prometheus/prometheus/issues/11197. It will be easier and more accurate to do comparison of histograms on ingestion or queries if we always compact the histograms...

Add/Improve unit tests for compaction with histogram

1

NOTE: this is for sparsehistogram branch. This PR takes care of the following from #11171 - [ ] Compaction - [ ] normal compaction works (head block compaction and merging...

Enable handling of overlapping blocks by default

5

Prometheus has had the support for handling overlapping blocks (both during compaction and querying) for a very long time, and it has been used by Thanos, Cortex, Mimir at large...

mimir-prometheus is being synced with upstream Prometheus ([here](https://github.com/grafana/mimir-prometheus/pull/337)) and it comes with few changes. So I am opening this PR with a checklist of things to do before/when upgrading mimir-prometheus...

testing(histograms): Add tests for the UI component

1

We need to add tests for rendering of histograms on the UI https://github.com/prometheus/prometheus/blob/7feea8aa894da5f16d41935538d2bf6ffb55050f/web/ui/react-app/src/pages/graph/DataTable.test.tsx#L147

2.40.5 was released