Percona XtraDB Cluster 8.0.33-25 (2023-08-02)¶
Percona XtraDB Cluster (PXC) supports critical business applications in your public, private, or hybrid cloud environment. Our free, open source, enterprise-grade solution includes the high availability and security features your business requires to meet your customer expectations and business goals.
Percona XtraDB Cluster is based on Percona Server for MySQL. Find a complete list of improvements and bug fixes in the Percona Server for MySQL 8.0.33-25 (2023-06-15) release notes.
Improvements and bug fixes introduced by Oracle for MySQL 8.0.33 and included in Percona XtraDB Cluster are the following:
INSTALL COMPONENTincludes the
SETclause sets the values of component system variables when installing one or several components. This reduces the inconvenience and limitations associated with assigning variable values in other ways.
--start-positionaccepts values up to
18446744073709551615. If the
--read-from-remote-sourceoption is used, the maximum is
4294967295. (Bug #77818, Bug #21498994)
Using a generated column with
DEFAULT(col_name)to specify the default value for a named column is not allowed and throws an error message. (Bug #34463652, Bug #34369580)
Not all possible error states were reported during the binary log recovery process. (Bug #33658850)
User-defined collations are deprecated. The usage of the following user-defined collations causes a warning that is written to the log:
COLLATEis followed by the name of a user-defined collation in an SQL statement.
When the name of a user-defined collation is used as the value of
The support for user-defined collations will be removed in a future releases of MySQL.
Find the full list of bug fixes and changes in the MySQL 8.0.33 Release Notes.
PXC-667: Unexpected exit during the BF-abort of active HANDLER
<table> OPEN AS <alias>.
PXC-679: An undetected state gap discovery causes the server to hang on shutdown.
PXC-4222: When a node abruptly leaves the applier thread causes all the other nodes in the cluster to hang.
PXC-4225: In the INFORMATION_SCHEMA.PROCCESSLIST, the COMMAND value is incorrect.
PXC-4228: The NBO mode corrupted the binary log.
PXC-4233: A cluster state interruption during NBO can lead to a permanent cluster lock.
PXC-4253: The merge to 8.0.33 fixes a number of CVE vulnerabilities.
PXC-4258: A failure to add a foreign key resulted in an inconsistency.
PXC-4268: If the
ALTER DEFINER VIEWwas changed with insufficient privileges, the Percona XtraDB Cluster node gets a Disconnected/Inconsistent state
PXC-4278: Renaming a table with NBO caused a server exit.
Download product binaries, packages, and tarballs at Percona Product Downloads