71a02374d1
Follow-up to the backup-refresh throttle/dedupe, cutting the cost of the remote pulls that do still happen. * restic stats now runs in --mode raw-data (restic_check.sh). The default restore-size mode walks every snapshot's tree to sum logical file sizes — the slowest restic op — just to fill a size readout. raw-data reads the index only and reports the repository's actual deduplicated on-disk size, which is exactly what the dashboard already labels "deduplicated, encrypted". raw-data omits total_file_count, so the per-location card now shows that location's snapshot count (already loaded client-side, and more useful for a backup repo) instead of a file count. * engineLocationStats now shares the same per-refresh memoiser as engineSnapshotsJson (engine_dispatch.sh). Both the locations and dashboard generators call it per location, so repo stats went from two restic calls per location per refresh to one. Factored the cache into _engineCachedPull. * SSH connection reuse for SFTP locations (backup_ssh.sh): ControlMaster=auto with a self-reaping ControlPersist master, so the several restic subprocesses a refresh/backup spawns against one location share a single authenticated connection instead of a fresh handshake each — the dominant per-call cost on a high-latency link. Toggle via CFG_BACKUP_SSH_MULTIPLEX. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: librelad <librelad@digitalangels.vip>
12 lines
1.7 KiB
Plaintext
12 lines
1.7 KiB
Plaintext
# ================================================================================
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# Backup Engine - **ADVANCED** Engine-level knobs most users won't need to touch
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# @icon ⚙️
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# ================================================================================
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CFG_BACKUP_ENGINE=restic # Default Backup Engine - Fallback engine for new locations (each location can override) [restic:Restic|borg:BorgBackup|kopia:Kopia]
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CFG_BACKUP_DEFAULT_PATH= # Default Backup Location - Base directory for locations set to Automatic path mode; each location lives in its own numbered subfolder (<path>/<id>). Empty = the LibrePortal backups root (own mount-able).
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CFG_BACKUP_STRATEGY=auto # Backup Strategy - How containers are quiesced before snapshotting [auto:Automatic — live where safe, stop otherwise (recommended)|stop-snapshot-start:Stop → snapshot → start (always safe)|pause-snapshot-unpause:Pause → snapshot → unpause (less downtime)|live:Live — snapshot while running (force)]
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CFG_BACKUP_VERIFY_AFTER=true # Verify After Backup - Run integrity check after each backup
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CFG_BACKUP_VERIFY_DATA_PERCENT=5 # Verify Data Sample % - Percentage of repo data to checksum-verify weekly
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CFG_BACKUP_PARALLEL_REPOS=true # Parallel Repos - Push to all enabled locations in parallel
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CFG_BACKUP_SSH_MULTIPLEX=true # SSH Connection Reuse - Share one SSH connection across the restic calls to each SFTP location (faster on high-latency links). Disable if your SSH server rejects multiplexing.
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