Percona Server 5.7.18-16¶
Based on MySQL 5.7.18, including all the bug fixes in it, Percona Server 5.7.18-16 is the current GA release in the Percona Server 5.7 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.7.18-16 milestone at Launchpad
Please note that RHEL 5, CentOS 5 and Ubuntu versions 12.04 and older are not supported in future releases of Percona Server and no further packages are added for these distributions.
Percona Server is now available on Debian 9 (stretch). The support only
Percona Server can now be built with support of OpenSSL 1.1.
MyRocks storage engine has been merged into Percona Server.
TokuDB enables to kill a query that is awaiting an FT locktree lock.
TokuDB enables using the
MySQL DEBUG_SYNC facility within Percona FT.
Row counts in TokuDB could be lost intermittently after restarts. Bug fixed #2.
In TokuDB, two races in the fractal tree lock manager could significantly affect transactional throughput for some applications that used a small number of concurrent transactions. These races manifested as transactions unnecessarily waiting for an available lock. Bug fixed #3.
Percona FT could assert when opening a dictionary with no useful information to error log. Bug fixed #23.
Percona FT could assert for various reasons deserializing nodes with no useful error output. Bug fixed #24.
Packaging was using the
dpkg --verify command which is not available on
wheezy/precise. Bug fixed #1694907.
Enabling and disabling the slow query log rotation spuriously added the version suffix to the next slow query log file name. Bug fixed #1704056.
With two client connections to a server (debug server build), the server could
crash after one of the clients set the global option
userstat and flushed
the client statistics (
FLUSH CLIENT_STATISTICS) and then both clients were
closed. Bug fixed #1661488.
When a client application connecting to the Aurora cluster end point
using SSL (
--ssl-mode=VERIFY_IDENTITY option), wildcard and SAN enabled SSL certificates were ignored. See
also Compatibility Matrix. Note that the
--ssl-verify-server-cert option is deprecated in Percona Server
5.7. Bug fixed #1673656 (upstream #68052).
SET STATEMENT .. FOR statement changed the global instead of the
session value of a variable if the statement occurred immediately after the
SET GLOBAL or
SHOW GLOBAL STATUS command. Bug fixed #1385352.
SHOW ENGINE INNODB STATUS, the
Buffer pool size, bytes
entry contained 0. BUg fixed #1586262.
The synchronization between the LRU manager and page cleaner threads was not done at shutdown. Bug fixed #1689552.
Due to new package dependency,
Ubuntu/Debian users should use
apt-get install percona-server-server-5.7 to upgrade.
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