Replace summary in extprom metrics with histogram (thanos-io#6327)

* Replaced summary in extprom metrics with histogram Signed-off-by: Sebastian Rabenhorst <sebastian.rabenhorst@shopify.com> * Added changelog Signed-off-by: Sebastian Rabenhorst <sebastian.rabenhorst@shopify.com> * Removed unused parameters from NewInstrumentationMiddleware Signed-off-by: Sebastian Rabenhorst <sebastian.rabenhorst@shopify.com> * Reverted NewInstrumentationMiddleware Signed-off-by: Sebastian Rabenhorst <sebastian.rabenhorst@shopify.com> --------- Signed-off-by: Sebastian Rabenhorst <sebastian.rabenhorst@shopify.com>
fpetkovski · Jun 27, 2023 · 4e31756 · 4e31756
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -41,6 +41,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#6303](https://github.com/thanos-io/thanos/pull/6303) Store: added and start using streamed snappy encoding for postings list instead of block based one. This leads to constant memory usage during decompression. This approximately halves memory usage when decompressing a postings list in index cache.
 - [#6071](https://github.com/thanos-io/thanos/pull/6071) Query Frontend: *breaking :warning:* Add experimental native histogram support for which we updated and aligned with the [Prometheus common](https://github.com/prometheus/common) model, which is used for caching so a cache reset required.
 - [#6163](https://github.com/thanos-io/thanos/pull/6163) Receiver: changed max backoff from 30s to 5s for forwarding requests. Can be configured with `--receive-forward-max-backoff`.
+- [#6327](https://github.com/thanos-io/thanos/pull/6327) *: *breaking :warning:* Use histograms instead of summaries for instrumented handlers.
 
 ### Removed