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cozystack/cozystack#5224 makes deleting a Backup taken on the system bucket delete its clickhouse-backup archive, and the trunk docs still said the archive stays and is governed by the sidecar's retention, which the chart does not configure. The backup classes page described the cleanup of the other drivers but not of ClickHouse, which now has its own Events, retry and release cases. The v1.4 page sent administrators to DELETE /backup/<name>/remote, which clickhouse-backup 2.7 does not serve; the route is POST /backup/delete/remote/<name>. Assisted-by: LLM Signed-off-by: Alexey Artamonov <aleksei.artamonov@aenix.io>
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Andrei Kvapil (kvaps),
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November 13, 2026 14:23
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What this PR does
Documents the ClickHouse archive cleanup that cozystack/cozystack#5224 adds, and fixes the sidecar delete route in the v1.4 docs. Fixes #808.
next/operations/services/backup-classes.md: a new "ClickHouse archive cleanup" section. Onbackup.useSystemBucket: true, deleting aBackupdeletes its archive through the sidecar and theBackupstays until that delete finished; it covers the waits, theArtifactCleanupFailedretries, the cases released withArtifactNotDeleted, the skip annotation, and theBackups that keep their archive.next/applications/backup-and-recovery.md: the retention bullet no longer says a deletedBackupalways leaves its S3 object, and the ClickHouse line describes the new behaviour instead of the sidecar's retention, which the chart does not configure.v1.4/operations/services/managed-app-backup-configuration.md:DELETE /backup/<name>/remoteis not served by clickhouse-backup 2.7 and answers 404; the route isPOST /backup/delete/remote/<name>.The
next/changes describe behaviour from cozystack/cozystack#5224, so they should merge after it. The v1.4 route fix stands on its own.