v2.6.27

IMPROVEMENTS

• add config option configuration_backup_always (default false), fix 1180
• add clean_local_broken CLI command and POST /backup/clean/local_broken REST API, fix 1178
• create pid file in /tmp/clickchouse-backup.backup_name.pid to avoid parallel work for the same backup even when allow_parallel: true, fix 966

BUG FIXES

• fix race condition for server --watch command, fix 1177

v2.6.26

BUG FIXES

• object_disk.CopyObjectStreaming can't copy files with size more 5Gb to S3, cause pass localSize 0 into PutFileAbsolute, fix 1176

v2.6.25

IMPROVEMENTS

• change retries from constant to exponential backoff and add RETRIES_JITTER configuration option, to avoid same time retries from parallel operation

v2.6.24

IMPROVEMENTS

• add logs for retries, to allow figure out with blackbaze2 s3 compatible provider, rate limit errors

v2.6.23

BUG FIXES

• watch command stop works with panic, fix 1166, affected versions 2.6.19-2.6.22 after 1152

v2.6.22

BUG FIXES

• fix corner cases when server --watch aborts watch process when backups_to_keep_local: -1 and --watch-delete-source=false, fix 1157, fix 1156, thanks @elliott-logrocket

v2.6.21

BUG FIXES

• final changes to fix backup for azblob disk behavior when storage_account_url contains container as first part in hostname, fix 1153

v2.6.20

• fix backup for azblob disk behavior when storage_account_url contains container as first part in hostname

v2.6.19

BUG FIXES

• fix clickhouse_backup_number_backups_remote and last_backup_size_remote metrics behavior in watch command, fix 1152
• fix empty path and non-empty object_disk_path config parameters, allows unexpected deletion backup object disk data, fix 859
• reproduce behavior <metadata_path> parameter in clickhouse <storage_configuration> don't contain trailing slash, restore make hardlinks to wrong directory, look details in #859 (comment), ClickHouse/ClickHouse#80647
• fix backup for azblob disk behavior when storage_account_url contains container as first part in hostname
• fix wrong unescape special characters in table create query, fix 1151, affected aversions from 2.6.6 to 2.6.18, backups which created in these versions which contains \ in create table definition, requires manual replacing \ to \\ for properly restore.

v2.6.18

IMPROVEMENTS

• add support multipart upload and multipart download for COS storage, add COS_ALLOW_MULTIPART_DOWNLOAD and COS_CONCURRENCY to config, fix 1074

BUG FIXES

• fix one more corner cases for --restore-database-mapping, fix 1146