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Critical operation PDB (#2830)

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Create the second PDB to cover Pods with a special "critical operation" label set.

This label is going to be assigned to all pg cluster's Pods by the Operator during a PG major version upgrade, by Patroni during a cluster/replica bootstrap. It can also be set manually or by any other automation tool.
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Polina Bungina
2025-01-29 12:41:08 +01:00
committed by GitHub
parent f49b4f1e97
commit a56ecaace7
11 changed files with 456 additions and 123 deletions
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docs/reference/operator_parameters.md
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@@ -334,13 +334,13 @@ configuration they are grouped under the `kubernetes` key.
pod namespace).
* **pdb_name_format**
defines the template for PDB (Pod Disruption Budget) names created by the
defines the template for primary PDB (Pod Disruption Budget) name created by the
operator. The default is `postgres-{cluster}-pdb`, where `{cluster}` is
replaced by the cluster name. Only the `{cluster}` placeholders is allowed in
the template.
* **pdb_master_label_selector**
By default the PDB will match the master role hence preventing nodes to be
By default the primary PDB will match the master role hence preventing nodes to be
drained if the node_readiness_label is not used. If this option if set to
`false` the `spilo-role=master` selector will not be added to the PDB.