Percona Server 5.6.11-60.3 第一个候选稳定版发布！

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整理：mysqlpub.com

PerconaServer for MySQL version 5.6.11-60.3

Percona is gladto announce the first Release Candidate release of Percona Server5.6.11-60.3 on June 3rd, 2013 (Downloads are available hereand from the PerconaSoftware Repositories).
发布时间：2013-6-3

Based on MySQL5.6.11, including all the bug fixes in it, Percona Server 5.6.11-60.3is the first RC release in the Percona Server 5.6 series. All of Percona‘ssoftware is open-source and free, all the details of the release can be foundin the 5.6.11-60.3milestone at Launchpad.
This releasecontains all the bug fixes from latest Percona Server 5.5 release (currentlyPercona Server 5.5.31-30.3).

New Features（新特性）:

• Percona Server has implemented Log     Archiving for XtraDB. Currently this feature implementation is     considered ALPHA quality.
• Complete list of the ported     features can be seen in Percona Server 5.6.11-60.3     release notes.
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Bugs Fixed（修复的Bugs）:

• Transaction objects are now     allocated calling calloc() directly instead of     using InnoDB heap allocation. This may improve write performance     for high levels of concurrency. Bug fixed #1185686.
• Under very rare circumstances,     deleting a zero-size bitmap file at the right moment would make server     stop with an I/O error if changed     page tracking is enabled. Bug fixed #1184517.
• Missing path separator between     the directory and file name components in a bitmap file name could stop     the server starting if the innodb_data_home_dir variable     didn’t have the path separator at the end. Bug fixed #1181887.
• Changed     page tracking used to hold the log system mutex for the log reads     needlessly, potentially limiting performance on write-intensive workloads.     Bug fixed #1171699.
• Incorrect schema definition for     the User     Statistics tables in INFORMATION_SCHEMA (CLIENT_STATISTICS,     INDEX_STATISTICS,     TABLE_STATISTICS,     THREAD_STATISTICS,     and USER_STATISTICS)     led to the maximum counter values being limited to 32-bit signed integers.     Fixed so that these values can be 64-bit unsigned integers now. Bug fixed #714925.
• Server would crash if an INNODB_CHANGED_PAGES     query is issued that has an empty LSN range and thus does not need to read     any bitmap files. Bug fixed #1184427.
• Query to the INNODB_CHANGED_PAGES     table would cause server to stop with an I/O error if a bitmap file in the     middle of requested LSN range was missing. Bug fixed #1179974.
• A warning is now returned if a     bitmap file I/O error occurs after an INNODB_CHANGED_PAGES     query started returning data to indicate an incomplete result set. Bug     fixed #1185040.
• The INNODB_CHANGED_PAGES     table couldn’t be queried if the log tracker wasn’t running. Bug fixed #1185304.
• Fixed the upstream bug #68970 that, in Percona     Server, would cause small tablespaces to expand too fast around     500KB tablespace size. Bug fixed #1169494.
• Fixed the RPM     package dependencies issues. Bug fixed #1186831.
• Reduced the overhead from the Handle     Corrupted Tables check as it was missing branch predictor annotations.     Bug fixed #1176864.
  

Other bug fixes:bug fixed #1184695,bug fixed #1184512,bug fixed #1183585,bug fixed #1178606,bug fixed #1177356,bug fixed #1160895,bug fixed #1182876,bug fixed #1180481,bug fixed #1163135,bug fixed #1157078,bug fixed #1182889,bug fixed #1133926,bug fixed #1165098,bug fixed #1182793,bug fixed #1157075,bug fixed #1183625,bug fixed #1155475,bug fixed #1157037,bug fixed #1182065,bug fixed #1182837,bug fixed #1177780,bug fixed #1154954.
Release notesfor Percona Server for MySQL 5.6.11-60.3 are available in our onlinedocumentation. Bugs can be reported on the launchpad bug tracker.
The post PerconaServer 5.6.11-60.3 first Release Candidate now available appeared first on MySQL Performance Blog.

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