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Percona Server 5.6.35-80.0 is Now Available

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[数据库(mysql) 所属分类 数据库(mysql) | 发布者 店小二03 | 时间 2017 | 作者 红领巾 ] 0人收藏点击收藏

Percona Server 5.6.35-80.0 is Now Available
Perconaannounces the release ofPercona Server 5.6.35-80.0 on February 8, 2017. Downloadthe latest version from thePercona web siteor the Percona Software Repositories .

Based on mysql 5.6.35 , and including all the bug fixes in it, Percona Server 5.6.35-80.0 is the current GA release in the Percona Server 5.6 series. Percona Server is open-source and free this is the latest release of our enhanced, drop-in replacement for MySQL. Completedetails of this release are available in the 5.6.35-80.0 milestone on Launchpad.

New Features: Kill Idle Transactions feature has been re-implemented by setting a connection socket read timeout value instead of periodically scanning the internal InnoDB transaction list. This makes the feature applicable to any transactional storage engine, such as TokuDB , and, in future, MyRocks . This re-implementation is also addressing some existing bugs, including server crashes: #1166744 , #1179136 , #907719 , and #1369373 . Bugs Fixed: Logical row counts for TokuDB tables could get inaccurate over time. Bug fixed #1651844 ( #732 ). Repeated execution of SET STATEMENT ... FOR SELECT FROM view could lead to a server crash. Bug fixed #1392375 . CREATE TEMPORARY TABLE would create a transaction in binary log on a read-only server. Bug fixed #1539504 (upstream #83003 ). If temporary tables from CREATE TABLE ... AS SELECT contained compressed attributes it could lead to a server crash. Bug fixed #1633957 . Using the per-query variable statement with subquery temporary tables could cause a memory leak. Bug fixed #1635927 . Fixed new compilation warnings with GCC 6. Bugs fixed #1641612 and #1644183 . A server could crash if a bitmap write I/O error happens in the background log tracking thread while a FLUSH CHANGED_PAGE_BITMAPS is executing concurrently. Bug fixed #1651656 . TokuDB was using the wrong function to calculate free space in data files. Bug fixed #1656022 ( #1033 ). CONCURRENT_CONNECTIONS column in the USER_STATISTICS table was showing incorrect values. Bug fixed #728082 . InnoDB index dives did not detect some of the concurrent tree changes, which could return bogus estimates. Bug fixed #1625151 (upstream #84366 ). INFORMATION_SCHEMA.INNODB_CHANGED_PAGES queries would needlessly read potentially incomplete bitmap data past the needed LSN range. Bug fixed #1625466 . Percona Server cmake compiler would always attempt to build RocksDB even if -DWITHOUT_ROCKSDB=1 argument was specified. Bug fixed #1638455 . Adding COMPRESSED attributes to InnoDB special tables fields (like mysql.innodb_index_stats and mysql.innodb_table_stats ) could lead to server crashes. Bug fixed #1640810 . Lack of free pages in the buffer pool is not diagnosed with innodb_empty_free_list_algorithm set to backoff (which is the default). Bug fixed #1657026 . mysqld_safe now limits the use of rm and chown to avoid privilege escalation. chown can now be used only for /var/log directory. Bug fixed #1660265 . Thanks to Dawid Golunski (https://legalhackers.com). Renaming a TokuDB table to a non-existent database with tokudb_dir_per_db enabled would lead to a server crash. Bug fixed #1030 . Read Free Replication optimization could not be used for TokuDB partition tables. B

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