feat: enhance shutdown process for demotion of the cluster #4411
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ShutdownCheckpointTokenCluster shutdown process for demotion
gbartolini
changed the title
Cluster shutdown process for demotion
Closes #3790 Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Leonardo Cecchi <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Signed-off-by: Armando Ruocco <[email protected]>
Co-authored-by: Gabriele Bartolini <[email protected]> Signed-off-by: Leonardo Cecchi <[email protected]>
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This patch enhances the shutdown process for demoting a primary cluster in CloudNativePG by:
shutdownCheckpointTokenin theClusterstatus, containing information in JSON format retrieved frompg_controldata. This includes the database system identifier, latest checkpoint'sTimeLineID, latest checkpoint's REDO location, latest checkpoint's REDO WAL file, and the time of the latest checkpoint..partialfile. This facilitates the controlled promotion of a replica cluster by relying solely on the WAL archive.Note that this implementation does not cover the hibernation case, which will be addressed in a separate patch.
Closes #3790
Closes #4586