Percona XtraBackup 2.4.21

Date:November 12, 2020
Installation:Installing Percona XtraBackup

Percona XtraBackup enables MySQL backups without blocking user queries, making it ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered free as an open source solution, it drives down backup costs while providing unique features for MySQL backups.

New Features

  • PXB-2112: xbcloud: support storage_class option with –storage=s3 (Thanks to user rluisr for reporting this issue)


  • PXB-2254: Redesign –lock-ddl-per-table
  • PXB-2252: Introduce debug option to print the redo log records scanned and applied

Bugs Fixed

  • PXB-793: Fix syntax error when executing –lock-ddl-per-table queries
  • PXB-2165: Modify xbcloud to store backups using s3 access key parameters if AWS access key env variables are set
  • PXB-2164: Modify xbcloud to return the error when the backup doesn’t exist in s3 bucket
  • PXB-953: Improve stdout for the end of usage of –lock-ddl-per-table
  • PXB-2279: Xbcloud: Upload failed: backup is incomplete (Thanks to user mrmainnet for reporting this issue)
  • PXB-2127: Modify xbcloud to upload backups with empty database to storage (Thanks to user hartland for reporting this issue)
  • PXB-2275: Modify backup processing to add validations if an encrypted table is created
  • PXB-2272: Fixed Regexp from is_tmp_table doesn’t account for all temporary tables
  • PXB-2257: fixed –lock-ddl-per-table to properly close database connection
  • PXB-2249: Verify perl binary exists before completing version check
  • PXB-2239: Partitioned table is not restored correctly when partitions are changed during backup
  • PXB-2238: Provide binary tarball with shared libs and glibc suffix & minimal tarballs
  • PXB-2216: Verify encryption version when opening tables to avoid changing encryption version
  • PXB-2202: Modify Xbcloud to display an error when xtrabackup fails to create a backup
  • PXB-2198: Modify xbcloud delete to return the error when the backup doesn’t exist in s3 bucket

Contact Us

For free technical help, visit the Percona Community Forum.
To report bugs or submit feature requests, open a JIRA ticket.
For paid support and managed or professional services, contact Percona Sales.