PBM-1715 Parallel file processing for backups and restores#376
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Pull request overview
This PR updates PBM physical backup/restore documentation to describe the new parallel file copy capability for filesystem/NFS-based physical backups and restores (PBM-1715), including the related config keys and CLI flag.
Changes:
- Document
backup.numParallelFiles/restore.numParallelFilesfor filesystem/NFS physical operations. - Add usage examples showing YAML configuration and
--num-parallel-filesCLI usage. - Extend reference option docs to include the new settings.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 9 comments.
| File | Description |
|---|---|
| docs/usage/restore-physical.md | Adds a new section explaining how to parallelize file copying during filesystem/NFS physical restores. |
| docs/usage/backup-physical.md | Adds a new section explaining how to parallelize file copying during filesystem/NFS physical backups, with config/CLI examples. |
| docs/reference/restore-options.md | Documents the new restore.numParallelFiles option. |
| docs/reference/backup-options.md | Documents the new backup.numParallelFiles option. |
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…res' of https://github.com/percona/pbm-docs into PBM-1715-Parallel-file-processing-for-backups-and-restores
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Jun 12, 2026
| ### restore.numParallelFiles | ||
|
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||
| *Type*: int <br> | ||
| *Default*: 1 <br> |
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To be precise, there is no default actually. If it is not specified, it's zero and that's the same as 1, which means sequentially.
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Physical backup / restore from filesystem/NFS is limited by sequential single-threaded file copy.
For details, see https://perconadev.atlassian.net/browse/PBM-1715