Percona Server version 5.6.13-61.0
Based on MySQL 5.6.13, including all the bug fixes in it, Percona Server 5.6.13-61.0 is the first GA release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.13-61.0 milestone at Launchpad.
- Percona Server has implemented a number of XtraDB Performance Improvements for high-concurrency scenarios.
- Percona Server has implemented a number of performance improvements for Page cleaner thread tuning. This feature fixes the upstream bugs: #69170 (#1231918), #70453 (#1232101) and #68481 (#1232406).
ALL_O_DIRECTmethod for innodb_flush_method has been ported from Percona Server 5.5.
- Statement Timeout feature has been ported from the Twitter branch.
Percona Server has extended the
SELECT INTO ... OUTFILEand
SELECT INTO DUMPFILEto add the support for UNIX sockets and named pipes.
- Due to an incompatible upstream change that went unnoticed,
the page cleaner thread would attempt to replay any file
operations it encountered. In most cases this were a no-op, but
there were race conditions for certain
DDLoperations that would have resulted in server crash. Bug fixed #1217002.
apt-get upgradeof Percona Server would fail in post-installation step if server failed to start. Bug fixed #1002500.
- Percona Server 5.6 now ships with memcached plugins. Bug fixed #1159621.
- Fixed the
libssl.so.6dependency issues in binary tarballs releases. Bug fixed #1172916.
- Error in
install_layout.cmakecould cause that some library files, during the build, end up in different directories on
x86_64environment. Bug fixed #1174300.
- Server would crash if empty string was passed to
AES_ENCRYPTwhen older OpenSSL version was used. Upstream bug fixed #70489, bug fixed #1201033.
- Kill Idle Transactions feature didn’t work correctly if Thread Pool was enabled. Bug fixed #1201440.
- Percona Server 5.6.12-60.4 would crash if server was started with Thread Pool feature enabled. Bugs fixed #1201681, #1194097 and #1201442.
- Memory leak was introduced by the fix for bug #1132194. Bug fixed #1204873.
- A server could have crashed under a heavy I/O-bound workload involving compressed InnoDB tables. Bug fixed #1224432.
- A potential deadlock, involving
SHOW ENGINE INNODB STATUS, and
KILL, has been fixed. Fixed the upstream bug #60682, bug fixed #1115048.
- A memory leak in Utility user feature has been fixed. Bug fixed #1166638.
- A server could crash due to a race condition between a
INNODB_CHANGED_PAGES query and bitmap file
PURGE CHANGED_PAGE_BITMAPor directly on the file system. Bug fixed #1191580.
Percona Server could not be built with Thread Pool feature and
-DWITH_PERFSCHEMA_ENGINE=OFFoption. Bug fixed #1196383.
- Page cleaner should perform LRU flushing regardless of server activity. Fixed the upstream bug #70500, bug fixed #1234562.
- Fixed the upstream bug #64556 which could cause an unrelated warning to be raised if a query inside InnoDB was interrupted. Bug fixed #1115158.
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