release-0.9.9

Bug fixes:

• Fixed ZooKeeper installation manifests that did not mount PV properly. The bug could result in ZooKeeper data loss if ZK pods were restarted.
• Fixed metrics exporter to work across multiple ClickHouse versions -- metric descriptions are temporary removed, Prometheus does not work good if those change.

Other changes:

• Bumped prometheus/golang_client to the latest version
• Added extra logging into chi status field.

release-0.9.8

Bug fixes:

• Fixed multi-threading model for proper handling or concurrent updates
• Fixed schema propagation logic to work with database names that require quoting

Other changes:

• Disabled query_thread_log by default (only applies to new instances)

release-0.9.7

Bug fixes:

• Fixed a bug with schema management queries failing at ClickHouse 20.3.+
• Fixed a bug with logging level configuration not being respected by metrics-exporter
• Fixed schema management logic to use ClickHouse pods directly bypassing LoadBalancer service
• Fixed a bug with host being deleted twice when deleting cluster or shards/replicas

Grafana dashboard has been also improved in this release.

release-0.9.6

Bug fixes:

• Sensitive data is masked now in operator logs
• Fixed a bug with replicated tables being deleted even when PVC has been retained (#314)
• Fixed a bug with annotations not being propagated to the pods (#289). Example 16-custom-labels-and-annotations-01.yaml

Documentation and examples has been updated to reflect recent changes.

release-0.9.5

Bug fixes:

• Fixed incorrect initialization of installation template in some cases

Improvements:

• Added podDistribution.scope in order to control scope of anti-affinity rules

release-0.9.4

Bug fixes:

• Fixed regression with Zookeeper configuration (#310)
• Fixed a bug in table_partitions metric export
• Removed excessive logging in metrics exporter

Improvements:

• Load balancer service now uses externalTrafficPolicy: Local by default
• ZooKeeper configuration is currently supported per cluster level (#209 via #288)

release-0.9.3

Bug fixes:

• Fixed a problem with upgrading operator for ClickHouseInstallations created by operator 0.8.0 and earlier
• Fixed a problem with updates to ClickHouse users configuration not always being propagated to ClickHouse servers (#282 )

Tweak:

• Added operator log level configuration

IMPORTANT NOTES:

1. Please upgrade operator via re-installation. There are change in resource definitions.
2. Operator versions 0.9.1 and 0.9.2 are not compatible with 0.9.0 and 0.9.3 in regards to upgrade. Clusters created with those versions have to be re-created.

release-0.9.2

Bug fixes:

• Fixed memory leak in metrics exporter (#176)

release-0.9.1

Bug fixes:

• Fixed regression with 'files' section of configuration (#261)
• Fixed discovery of monitored ClickHouse clusters by metrics exporter when it is being restarted (#239)

release-0.9.0

New features:

• Option to define template per ClickHouse replica (before it was only possible to have global, shard based or
• 'circular' replication shortcut (podDistribution.type: CircularReplication)
• hostTemplates in order to propagate custom ports across configuration
• hostNetwork support and portDistribution types. See examples starting from '14-' in examples folder.
  host based templates)
• New Grafana dashboard