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tsdb: deprecate V1 block format with warning#17701
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roidelapluie commentedDec 17, 2025
Why do we need this ? I think we should re-compact these blocks to another version instead of removing support for it. |
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This PR deprecates support for TSDB V1 block format by adding a one-time warning when a V1 block is read.
Changes:
warnV1Onceglobal variable.This does NOT remove V1 support yet. This is a first step to inform users that V1 blocks will be removed in a future Prometheus release (v4).
All TSDB tests pass.