Grafana Tempo 3.1 Adds Query-Based Trace Redaction and Sampling-Aware TraceQL Metrics
Summary
Grafana Labs released Tempo 3.1 as the first minor update to its 3.0 architecture. The update adds TLS and more SASL options for Kafka clients, query-based trace redaction, and an experimental hint that adjusts TraceQL metrics for sampled data. It also makes vParquet5 the default block format and improves query performance for simple metrics queries. Additional changes include new trace diff and pruning endpoints, TraceQL filtering on trace-by-ID v2, and several metrics-generator enhancements.
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