Percona XtraBackup 8.0.27-19¶
February 2, 2022
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.
The following list contains a number of the bug fixes for MySQL 8.0.27, provided by Oracle, and included in Percona Server for MySQL:
default_authentication_pluginis deprecated. Support for this plugin may be removed in future versions. Use the
binaryoperator is deprecated. Support for this operator may be removed in future versions. Use
CAST(... AS BINARY).
When a parent table updated or deleted a row, this operation initiated a cascading
SET NULLoperation on the child table. On the child table, a virtual column value could be set to NULL instead of the value derived from the base column value.
Find the full list of bug fixes and changes in the MySQL 8.0.27 Release Notes.
- PXB-1883: Added support for Microsoft Azure Cloud Storage in the xbcloud binary. (Thanks to Ivan for reporting this issue)
- PXB-2434: Use MySQL page tracking for incremental backup
PXB-1741: PS startup displays errors for databases excluded during partial backup
xbstreambinary was enhanced to support sparse files on the XFS file system.
PXB-2608: Upgrade the Vault API to V2 (Thanks to Benedito Marques Magalhaes for reporting this issue)
PXB-2543: Fix that adds
IB_EXPORT_CFG_VERSION_V6when exporting a
.cfgfile for a table (Thanks to Peng Gao for reporting this issue)
PXB-2465: Fix for querying the
ps.log_statuswhen group replication channels are items on that list. XtraBackup skips the name if it matches either
group_replication_recovery.(Thanks to Galamb Gergő for reporting this issue)
PXB-2625: The default version of CURL in Debian Buster failed to identify a TLS HTTP2 connection as closed and attempted to reuse the connection. (Thanks to Johan Andersson for reporting this issue)