Percona XtraDB Cluster 5.6.20-25.7¶
Based on Percona Server 5.6.20-68.0 including all the bug fixes in it, Galera Replicator 3.7 and on Codership wsrep API 25.7 is now the current General Availability release. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.20-25.7 milestone at Launchpad.
START TRANSACTION WITH CONSISTENT SNAPSHOT,
mydumperwith disabled binlog would lead to a server crash. Bug fixed #1353644.
percona-xtradb-cluster-garbd-3.xpackage was installed incorrectly on Debian/Ubuntu. Bug fixed #1360633.
netcatin SST script for Centos7
nmap-ncat. Bug fixed #1359767.
TO isolation was run even when wsrep plugin was not loaded. Bug fixed #1358681.
The error from net read was not handled in native MySQL mode. This would cause duplicate key error if there was unfinished transaction at the time of shutdown, because it would be committed during the startup recovery. Bug fixed #1358264.
The netcat in garbd init script has been replaced with nmap for compatibility in CentOS 7. Bug fixed #1349384.
SHOW STATUSwas generating debug output in the error log. Bug fixed #1347818.
Incorrect source string length could lead to server crash. This fix allows maximum of 3500 bytes of key material to be populated, longer keys will be truncated. Bug fixed #1347768.
A memory leak in
wsrep_mysql_parsefunction has been fixed. Bug fixed #1345023.
wsrep consistency check is now enabled for
REPLACE ... SELECTas well. This was implemented because
REPLACE .. SELECTduring checksumming. Bug fixed #1343209.
Client connections were closed unconditionally before generating SST request. Fixed by avoiding closing connections when wsrep is initialized before storage engines. Bug fixed #1258658.
Session-level binlog_format change to
STATEMENTis now allowed to support
pt-table-checksum. A warning (to not use it otherwise) is also added to error log.
Other bug fixes: #1280270.
Help us improve quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!