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23 lines
1.1 KiB
Text
23 lines
1.1 KiB
Text
Enhancement: Simplify and improve restore performance
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Significantly improves restore performance of large files (i.e. 50M+):
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https://github.com/restic/restic/issues/2074
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https://forum.restic.net/t/restore-using-rclone-gdrive-backend-is-slow/1112/8
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https://forum.restic.net/t/degraded-restore-performance-s3-backend/1400
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Fixes "not enough cache capacity" error during restore:
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https://github.com/restic/restic/issues/2244
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NOTE: This new implementation does not guarantee order in which blobs
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are written to the target files and, for example, the last blob of a
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file can be written to the file before any of the preceding file blobs.
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It is therefore possible to have gaps in the data written to the target
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files if restore fails or interrupted by the user.
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The implementation will try to preallocate space for the restored files
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on the filesystem to prevent file fragmentation. This ensures good read
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performance for large files, like for example VM images. If preallocating
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space is not supported by the filesystem, then this step is silently skipped.
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https://github.com/restic/restic/pull/2195
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https://github.com/restic/restic/pull/2893
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