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@cnp-autobot cnp-autobot released this 08 Nov 11:16
v1.21.1
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Release date: Nov 8, 2023

Enhancements:

  • Introduce support for online/hot backups with volume snapshots by using the PostgreSQL API for physical online base backups. Default configuration for hot/cold backups on a given Postgres cluster can be controlled through the online option and the onlineConfiguration stanza in .spec.backup.volumeSnapshot. Unless explicitly set, backups on volume snapshots are now taken online by default (#3102)
  • Introduce the possibility to override the above default settings on volume snapshot backup using the ScheduledBackup and Backup resources (#3208, #3226)
  • Enhance cold backup on volume snapshots by reducing the time window in which the target instance (standby or primary) is fenced, by lifting it as soon as the volume snapshot have been cut and provisioned (#3210)
  • During a recovery from volume snapshots, ensure that the provided volume snapshots are coherent by validating the existing labels and annotations
  • The backup command of the cnp plugin for kubectl improves the volume snapshot backup experience through the --online, --immediate-checkpoint, and --wait-for-archive runtime options
  • Enhance the status command of the cnp plugin for kubectl with progress information on active streaming base backups (#3101)
  • Allow the configuration of max_prepared_statements with the pgBouncer Pooler resource (#3174)

Fixes:

  • Suspend WAL archiving during a switchover and resume it when it is completed (#3227)
  • Ensure that the instance manager always uses synchronous_commit = local when managing the PostgreSQL cluster (#3143)
  • Custom certificates for streaming replication user through .spec.certificates.replicationTLSSecret are now working (#3209)
  • Set the k8s.enterprisedb.io/cluster label to the Pooler pods (#3153)
  • Reduce the number of labels in VolumeSnapshots resources and render them into more appropriate annotations (#3151)

Changes:

  • Volume snapshot backups, introduced in 1.21.0, are now online/hot by default; in order to restore offline/cold backups set .spec.backup.volumeSnapshot to false
  • Stop using the postgresql.auto.conf file inside PGDATA to control Postgres replication settings, and replace it with a file named override.conf (#2812)

Technical enhancements:

  • Use extended query protocol for PostgreSQL in the instance manager (#3152)
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