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Add Patroni failsafe_mode parameter (#2076)

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This commit adds support of a not-yet-released Patroni feature that allows postgres to run as primary in case of a failed leader lock update.
* Add Patroni 'failsafe_mode' local parameter (enable for a single PG cluster)
* Allow configuring Patroni 'failsafe_mode' parameter globally
This commit is contained in:
Polina Bungina
2022-12-02 13:33:02 +01:00
committed by GitHub
parent 1d44dd4694
commit 4d585250db
22 changed files with 297 additions and 50 deletions
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docs/reference/cluster_manifest.md
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@@ -316,6 +316,9 @@ explanation of `ttl` and `loop_wait` parameters.
* **synchronous_node_count**
Patroni `synchronous_node_count` parameter value. Note, this option is only available for Spilo images with Patroni 2.0+. The default is set to `1`. Optional.
* **failsafe_mode**
Patroni `failsafe_mode` parameter value. If enabled, allows Patroni to cope with DCS outages and avoid leader demotion. Note, this option is currently not included in any Patroni release. The default is set to `false`. Optional.
## Postgres container resources