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v3.9.13 | 09-04-26

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@cannonpalms cannonpalms released this 08 Sep 18:57
· 23 commits to main since this release
v3.9.13
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Learn about vigilant mode.

The following are some highlighted updates with the newest release for InfluxDB 3. Learn more via our full Release Notes.

Updates

Core

Bug fixes

  • Snapshot manifest skipped for an empty snapshot: Every snapshot sequence number now lands a manifest, including a snapshot with nothing to persist. Previously the manifest was skipped, leaving a permanent hole in the sequence. Consumers that walk the sequence by exact key cannot tell a skipped snapshot from a manifest that failed to persist, so a single hole stalled Enterprise compaction on that node and blocked its read replicas.
  • Unnecessary node shutdown after a retried WAL write: Each WAL file now carries a nonce in its object metadata, so a node recognizes its own write and shuts down only for a file written by another node. Previously, a conditional PUT that was applied but returned a 500 was retried, and the node read the resulting 412 as a second process holding the same --node-id and shut down, though the file was durable and correct.
  • Restarted downloads of large manifests and checkpoints at startup: Snapshot manifest and checkpoint reads larger than 128 MiB are now fetched as 16 MiB ranged reads, so a slow or failed transfer retries one range. Previously, a single whole-object GET restarted a multi-gigabyte download from byte 0.
  • Panic on oversized duration values: Time arithmetic now saturates at the minimum or maximum representable timestamp instead of panicking when a duration is too large to represent. Previously, an oversized user-supplied duration produced a panic and could put the server into a startup panic loop.
  • Processing engine Python updated to 3.13.15: Picks up the security fixes in that release.
  • Other bug fixes and performance improvements

Enterprise

All Core updates are included in Enterprise.
Additional Enterprise-specific updates:

Features

  • Startup phase logging: The server logs the start and completion of each startup phase, so a node killed during startup shows which phase it was in.

Bug fixes

  • File index left behind when a generation expires: Retention now deletes a generation's detail object along with its Parquet files. Previously the detail, which holds the file index describing those files, was left unreferenced in object storage. On a table with high-cardinality index columns the detail is the larger of the two, so retention shrank the data and accumulated the indexes for the life of the cluster.
  • Slow compaction catch-up behind a lagging node: The compactor now accumulates the rerun signal across every node in a cycle. Previously it kept only the last node's value, so a caught-up node could end the cycle after a single snapshot and leave a lagging node advancing one snapshot per check interval until restart.
  • Other bug fixes and performance improvements
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