cloudnative-pg / cloudnative-pg/plugin-barman-cloud
Base backups are single-threaded and ignore concurrency settings
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Description
The `plugin-barman-cloud` performs base backups using a single upload stream. Unlike WAL archiving (which supports `maxParallel`), there is no way to parallelize the data backup phase. This results in bottlenecks for large databases.
This option:
```
$ kubectl explain objectstore.spec.configuration.data.jobs
GROUP: barmancloud.cnpg.io
KIND: ObjectStore
VERSION: v1
FIELD: jobs
DESCRIPTION:
The number of parallel jobs to be used to upload the backup, defaults
to 2
```
is not applicable due to limitation (only for rsync):
https://github.com/EnterpriseDB/barman/blob/ff040cd1feee805da3e4662a187c583f8730dfab/docs/user_guide/configuration.rst?plain=1#L336
> parallel_jobs
> Controls the number of parallel workers used to copy files during backup or recovery.
It must be a positive integer. Default is ``1``.
> note::
> Applies only when ``backup_method = rsync``.
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