chlog

CHANGELOG.md

@@ -9,6 +9,7 @@
 * [BUGFIX] Replace hedged requests roundtrips total with a counter. [#4063](https://github.com/grafana/tempo/pull/4063) [#4078](https://github.com/grafana/tempo/pull/4078) (@galalen)
 * [BUGFIX] Metrics generators: Correctly drop from the ring before stopping ingestion to reduce drops during a rollout. [#4101](https://github.com/grafana/tempo/pull/4101) (@joe-elliott)
 * [BUGFIX] Bring back application-json content-type header. [#4121](https://github.com/grafana/tempo/pull/4121) (@javiermolinar)
+* [BUGFIX] Pushes a 0 to classic histogram's counter when the series is new to allow Prometheus to start from a non-null value. [#4140](https://github.com/grafana/tempo/pull/4140) (@mapno)
 * [CHANGE] TraceByID: don't allow concurrent_shards greater than query_shards. [#4074](https://github.com/grafana/tempo/pull/4074) (@electron0zero)
 * **BREAKING CHANGE** tempo-query is no longer a jaeger instance with grpcPlugin. Its now a standalone server. Serving a grpc api for jaeger on `0.0.0.0:7777` by default. [#3840](https://github.com/grafana/tempo/issues/3840) (@frzifus)
 * [CHANGE] **BREAKING CHANGE** The dynamic injection of X-Scope-OrgID header for metrics generator remote-writes is changed. If the header is aleady set in per-tenant overrides or global tempo configuration, then it is honored and not overwritten. [#4021](https://github.com/grafana/tempo/pull/4021) (@mdisibio)