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@DimCitus DimCitus released this 08 Jul 10:57
v1.6.1
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DimCitus Dimitri Fontaine
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Learn about vigilant mode.
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Learn about vigilant mode.

pg_auto_failover v1.6.1 (July 7, 2021)

This release contains monitor schema changes, so the monitor extension gets
a version bump from 1.5 to 1.6, and this is the first release in the 1.6
series.

In this release we introduce a new state in the FSM: "dropped". This state
allows a node to realise it's been dropped from the monitor, and act
accordingly (mostly, stops cleanly and register it's been dropped).

This means that the command pg_autoctl drop node now only completes when
the node that is being dropped is still reachable. To drop a node that is
unreachable (e.g. machine died), you should now use the command pg_autoctl drop node --force.

Added

  • Feature crash recovery before pg_rewind (#656)
  • Allow building pg_auto_failover with Postgres 14. (#716)
  • Track nodes current timeline on the monitor and use it during election. (#730)
  • Implement drop-at-a-distance semantics. (#734)
  • Add the reported timeline id to the monitor events table. (#753)

Changed

  • Fix how many nodes need to report their LSN to perform a failover. (#707)
  • Allow an old primary node (demoted/catchingup) to join another election. (#727)
  • Have pg_autoctl drop node command wait until the node has been removed. (#748)

Fixed

  • Fix/consider timeline when reaching secondary (#695)
  • Install btree_gist when upgrade to >= 1.4, not just 1.4. (#714)
  • Fix a race condition issue around health check updates. (#720)
  • Not all the monitor code got the memo about nodeid being a bigint. (#729)
  • Use sysctl(3) on BSD (#733)
  • Fix transaction begin failure handling (#751)
  • Fix a connection leak at SIGINT. (#759)
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