Issues

• download of a regular backup fails with "Chown backup disk" when embedded_backup_disk is configured

  Altinity/clickhouse-backup#1653 · Filter by author louisantoinem opened on Oct 28, 2026

• create: parallel FREEZE on fresh server fails with 'shadow/increment.txt is empty' (CounterInFile first-create race)

  Altinity/clickhouse-backup#1651 · Filter by author Slach opened on Oct 28, 2026 · 3.0.0

• restore / restore_remote always drops and recreates all user-defined SQL functions, even when restoring a single table

  Altinity/clickhouse-backup#1636 · Filter by author ne1r0n opened on Oct 23, 2026 · 2.8.3

• download and restore of an incremental backup delete every other local backup without metadata.json, including downloads still running (cleanPartialRequiredBackup)

  Altinity/clickhouse-backup#1634 · Filter by author guybrush opened on Oct 22, 2026 · 2.8.3
  2

• download of an incremental backup hard-links required parts that an interrupted run left half-extracted; restore then fails with Marks file ... doesn't exist

  Altinity/clickhouse-backup#1633 · Filter by author guybrush opened on Oct 22, 2026 · 2.8.3

• SFTP download spends 25-40% CPU in GC with up to 19k goroutines

  Altinity/clickhouse-backup#1608 · Filter by author Slach opened on Oct 10, 2026 · 2.8.3
  4

• support backup for antalya CAS disks

  Altinity/clickhouse-backup#1562 · Filter by author Slach opened on Sep 15, 2026 · 2.8.3

• add support for content_addressed metadata type

  Altinity/clickhouse-backup#1478 · Filter by author Slach opened on Jul 21, 2026 · 3.0.0

• Idea - shared backup storage + background merges

  Altinity/clickhouse-backup#1308 · Filter by author Slach opened on Dec 18, 2025 · 3.0.0
  

• restore engine=Kafka, engine=*Queue, refreshable materialized view, after restore data as postponedTables

  Altinity/clickhouse-backup#1235 · Filter by author Slach opened on Sep 11, 2025 · 2.8.3
  

• download and upload speed is different (download slow)

  Altinity/clickhouse-backup#1163 · Filter by author Slach opened on Jun 6, 2025 · 2.8.3
  5

• Add support backup Iceberg tables

  Altinity/clickhouse-backup#1154 · Filter by author Slach opened on May 31, 2025 · 2.8.3
  

• add support with kubernetes API integration to read secrets for credentials

  Altinity/clickhouse-backup#1145 · Filter by author Slach opened on May 6, 2025 · 3.0.0
  

• Streaming / continuous backups?

  Altinity/clickhouse-backup#1030 · Filter by author ardigan6 opened on Oct 20, 2024 · 3.0.0
  3

  

• Add backup of KeeperMap tables, add backup state for S3Queue, AzureQueue

  Altinity/clickhouse-backup#952 · Filter by author UnamedRus opened on Jul 12, 2024 · 2.8.3
  

• Support AWS glacier as separate remote storage engine

  Altinity/clickhouse-backup#718 · Filter by author Slach opened on Aug 6, 2023 · 3.0.0
  

• implements clickhouse-backup mount command to allow mount exists S3 backup with compression_format: none to exists s3_plain \ s3 disk

  Altinity/clickhouse-backup#665 · Filter by author Slach opened on Jun 2, 2023 · 3.0.0
  

• Add GPG crypt support

  enhancement
  Altinity/clickhouse-backup#123 · Filter by author rayderua opened on Oct 25, 2020 · 3.0.0
  7