What's New in Tempo 3.0

Tempo 3.0 introduces a major architectural shift that decouples the read and write paths, with Kafka handling durability on the write side and a new live store serving recent traces on the read side. Blocks are now written at a replication factor of one instead of three, significantly reducing storage overhead. This release also brings TraceQL metrics to general availability, adds comparison operators for filtering metric results at query time, and introduces a new Tempo CLI redact command for removing sensitive trace data on demand without waiting for retention to expire. The walkthrough covers the architecture changes, demonstrates the new query operators, and shows the redaction workflow end-to-end.

Links/resources:
Read the announcement blog: https://grafana.com/blog/tempo-3-0-release-all-the-latest-features
Get started with the Grafana Cloud forever-free tier: https://grafana.com/g/cloud
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