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This is an General Availability release. We did our best to eliminate bugs and problems during the testing release, but this is a software, so bugs are expected. If you encounter them, please report them to our bug tracking system.
Fixed the issues with upgrade on Debian caused by debian-start script. Bug fixed #1112363.
Adding the AUTO_INCREMENT column to a table would result in data inconsistency because different nodes use different auto_increment_offset. Bug fixed #587170.
LOAD DATA INFILE was not replicating properly in cluster. Bug fixed #1206129.
After a COMMIT processing was interrupted (e.g. certification failure) it didn’t always release transactional MDL locks, which could lead to server deadlock while performing DDL. Bug fixed #1212955.
Server startup isn’t interrupted if the /var/lock/subsys/mysql file was not cleaned up by the init script. Bug fixed #1231067.
State Snapshot Transfer cleanup of existing data directory is now configurable with a cpat parameter. Bug fixed #1231121.
Handler command and concurrent DDL could cause node hanging. The problem would happen when a handler session was aborted due to replication conflict. Bug fixed #1233353.
Command service mysql status was not producing valid exit codes, which could break the configuration management systems. Bug fixed #1237021.
Option wsrep-new-cluster could lead to server crash. Bug fixed #1238331.
No key information was provided for DROP VIEW TOI statement. Bug fixed #1240040.
innodb_locks_unsafe_for_binlog option is no longer checked because slave threads are READ-COMMITTED by default. Bug fixed #1240112.
If IO cache contained the Query_log_event, database pointer would be reset during transaction replay. This could lead to “1046 No database selected.” error when next statement is issued. Bug fixed #1241760.
After test shutting down all the nodes indicate that all write set handlers were not released. Bug fixed #1244661.
MDL locks were not released properly on slaves at commit time. Bug fixed #1245333.
Implemented number of thread pool scheduler fixes. Bug fixed #1240500.
Fixed the dependency conflict between the Percona-XtraDB-Cluster-shared and Percona-Server-shared-compat packages. Bug fixed #1084309.
Fixed the memory leak in the wsrep_write_cache() function. Bug fixed #1230160.
Xtrabackup SST Configuration implementation added in Percona XtraDB Cluster 5.5.33-23.7.6 has been renamed xtrabackup-v2, so wsrep_sst_method =xtrabackup will use xtrabackup implementation before 5.5.33-23.7.6 and will be compatible with older Percona XtraDB Cluster versions. Bug fixed #1228618.
Support for SSL encryption for just the key and crt files as implemented in Galera can be enabled with encrypt=3 option. This has been implemented in 5.5.34-23.7.6 for compatibility with Galera. Bug fixed #1235244.
Based on Percona Server 5.5.34-32.0 including all the bug fixes in it, Galera Replicator and on Codership wsrep API 5.5.34-25.9, Percona XtraDB Cluster 5.5.34-23.7.6 is now the current stable release. All of Percona‘s software is open-source and free.
Percona XtraDB Cluster Errata can be found in our documentation.