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release_notes.md

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Release 0.7.0

New features:

  • Added 'podVolumeClaimTemplate' and 'logVolumeClaimTemplate' in order to map data and logs separately. Old syntax is deprecated but supported.
  • Sidecar clickhouse-logs container to view logs
  • Significantly cleaned up templates model and 'useTemplates' extension
  • new system_replicas_is_session_expired monitoring metric (#187 by @teralype)

Bug fixes:

  • Fixed bug with installation name being truncated to 15 chars. The current limit is 60 chars. Cluster name is limited to 15.
  • General stability improvements and fixes for corner cases

Upgrade notes: There were changes in ClickHouseInstallation CRD, so it is recommended to remove and re-install the operator. Existing ClickHouse clusters will be picked up automatically.

Release 0.6.0

New features:

  • Added spec.stop property to start/stop all ClickHouse pods in installation for maintenance
  • ClickHouseInstallationTemplate custom resource definition
  • ClickHouseOperatorConfiguration custom resource definition

Improvements:

  • Split operator into two binaries/containers - operator and monitor
  • Added 10 second timeout for queries to ClickHouse (#159 by @kcking)
  • Improved create/update logic
  • Operator now looks at its own namespace if not specified explicitly
  • Enhance multi-thread support for concurrent operations