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Tempo v2.7.2 with distributor ingester fix#5295

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carles-grafana wants to merge 2 commits intografana:release-v2.7from
carles-grafana:tempo_v2.7.2_with_distributor_ingester_fix
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Tempo v2.7.2 with distributor ingester fix#5295
carles-grafana wants to merge 2 commits intografana:release-v2.7from
carles-grafana:tempo_v2.7.2_with_distributor_ingester_fix

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What this PR does:

Which issue(s) this PR fixes:
Fixes #

Checklist

  • Tests updated
  • Documentation added
  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]

* Fix distributor rebatch bug, by not using a 32-bit hash for deduping, only for ring sharding (as required)

* lint

* changelog
@carles-grafana carles-grafana changed the base branch from main to release-v2.7 June 17, 2025 14:00
* ingester: use a 64-bit hash to avoid collisions

We had this issue in the distributor, it it can happen in the
ingester too with live traces.

* Update changelog

* Add test for live traces collision
@carles-grafana carles-grafana force-pushed the tempo_v2.7.2_with_distributor_ingester_fix branch from 174269c to a1f5dcb Compare June 17, 2025 14:02
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