Percona Server 5.7.14

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                　　Percona Server 5.7.14-7 发布了，该版本基于 MySQL 5.7.13，包含了所有的 bug 修复，是Percona Server 5.7 系列中的正式版本。
　　主要更新有 Percona Server 日志审查插件现在支持通过 user、database 和 sql command 进行筛选。
　　Bugs Fixed:

• 　　Fixed potential cardinality 0 issue for TokuDB tables if ANALYZE TABLE finds only deleted rows and no actual logical rows before it times out. Bug fixed #1607300(#1006, #732).
  
• 　　TokuDB database.table.index names longer than 256 characters could cause a server crash if background analyze table status was checked while running. Bug fixed #1005.
  
• 　　PAM Authentication Plugin would abort authentication while checking UNIX user group membership if there were more than a thousand members. Bug fixed#1608902.
  
• 　　If DROP DATABASE would fail to delete some of the tables in the database, the partially-executed command is logged in the binlog as DROP TABLE t1, t2, ... for the tables for which drop succeeded. A slave might fail to replicate such DROP TABLEstatement if there exist foreign key>DROP DATABASE statement immediately. Bug fixed #1525407(upstream #79610).
  
• 　　PAM Authentication Plugin didn’t support spaces in the UNIX user group names. Bug fixed #1544443.
  
• 　　Due to security reasons ld_preload libraries can now only be loaded from the system directories (/usr/lib64, /usr/lib) and the MySQL installation base directory.
  
• 　　In the client library, any EINTR received during network I/O was not handled correctly. Bug fixed #1591202 (upstream #82019).
  
• 　　SHOW GLOBAL STATUS was locking more than the upstream implementation which made it less suitable to be called with high frequency. Bug fixed #1592290.
  
• 　　The included .gitignore in the percona-server source distribution had a line*.spec, which means someone trying to check in a copy of the percona-server source would be missing the spec file required to build the RPMs. Bug fixed #1600051.
  
• 　　Audit Log Plugin did not transcode queries. Bug fixed #1602986.
  
• 　　If the changed page bitmap redo log tracking thread stops due to any reason, then shutdown will wait for a long time for the log tracker thread to quit, which it never does. Bug fixed #1606821.
  
• 　　Changed page tracking was initialized too late by InnoDB. Bug fixed #1612574.
  
• 　　Fixed stack buffer overflow if --ssl-cipher had more than 4000 characters. Bug fixed #1596845 (upstream #82026).
  
• 　　Audit Log Plugin events did not report the default database. Bug fixed #1435099.
  
• 　　Canceling the TokuDB Background ANALYZE TABLE job twice or while it was in the queue could lead to server assertion. Bug fixed #1004.
  
• 　　Fixed various spelling errors in comments and function names. Bug fixed #728(Otto Kekäläinen).
  
• 　　Implemented set of fixes to make PerconaFT build and run on the AArch64 (64-bit ARMv8) architecture. Bug fixed #726 (Alexey Kopytov).
  

　　Other bugs fixed:
　　#1542874 (upstream #80296), #1610242, #1604462 (upstream #82283), #1604774(upstream #82307), #1606782, #1607359, #1607606, #1607607, #1607671, #1609422,#1610858, #1612551, #1613663, #1613986, #1455430, #1455432, #1581195, #998, #1003, and #730.
　　官方发行内容：
　　https://www.percona.com/doc/percona-server/5.7/release-notes/Percona-Server-5.7.14-7.html
　　下载地址：
　　https://www.percona.com/downloads/Percona-Server-5.7/Percona-Server-5.7.14-7/