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Percona is glad to announce the release of Percona Server 5.1.67-14.4 on March 8th, 2013 (Downloads are available from Percona Server 5.1.67-14.4 downloads and from the Percona Software Repositories).
Based on MySQL 5.1.67 this release will include all the bug fixes in it. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.1.67-14.4 milestone at Launchpad.
New user statements have been introduced for handling the XtraDB changed page tracking log files.
The master thread was doing dirty buffer pool flush list reads to make its adaptive flushing decisions. Fixed by acquiring the flush list mutex around the list scans. Bug fixed #1083058 (Laurynas Biveinis).
The server could crash when executing an INSERT or UPDATE statement containing BLOB values for a compressed table. This regression was introduced in Percona Server 5.1.59-13.0. Bug fixed #1100159 (Laurynas Biveinis).
Fixed the upstream #68116 that caused the server crash with assertion error when InnoDB monitor with verbose lock info was used under heavy load. This bug is affecting only -debug builds. Bug fixed #1100178 (Laurynas Biveinis).
When option innodb_flush_method=O_DIRECT was set up, log bitmap files were created and treated as InnoDB data files for flushing purposes, which wasn’t original intention. Bug fixed #1105709 (Laurynas Biveinis).
INFORMATION_SCHEMA plugin name innodb_changed_pages serves also as a command line option, but it is also a prefix of another command line option innodb_changed_pages_limit. MySQL option handling would then shadow the former with the latter, resulting in start up errors. Fixed by renaming the innodb_changed_pages_limit option to innodb_max_changed_pages. Bug fixed #1105726 (Laurynas Biveinis).
Writing bitmap larger than 4GB would cause write to fail. Also a write error for every bitmap page, except the first one, would result in a heap corruption. Bug fixed #1111226 (Laurynas Biveinis).
XtraDB changed page tracking wasn’t compatible with innodb_force_recovery=6. When starting the server log tracking initialization would fail. The server would abort on startup. Bug fixed #1083596 (Laurynas Biveinis).
InnoDB monitor was prefetching the data pages for printing lock information even if no lock information was going to be printed. Bug fixed #1100643 (Laurynas Biveinis).
Newly created bitmap file would silently overwrite the old one if they had the same file name. Bug fixed #1111144 (Laurynas Biveinis).
InnoDB and the query plan information were being logged even if they weren’t enabled for the slow query log. Bug fixed #730173 (Laurynas Biveinis).
Fixed the regular expressions used for filtering the InnoDB stats that were causing sporadic extraneous lines in mysqldumpslow output. Bug fixed #1097692 (Laurynas Biveinis).
Other bug fixes: bug fixed #1098436 (Laurynas Biveinis), bug fixed #1096904 (Laurynas Biveinis), bug fixed #1096899 (Laurynas Biveinis), bug fixed #1096895 (Laurynas Biveinis), bug fixed #1092142 (Laurynas Biveinis), bug fixed #1091712 (Laurynas Biveinis), bug fixed #1090874 (Laurynas Biveinis), bug fixed #1089961 (Laurynas Biveinis), bug fixed #1088954 (Laurynas Biveinis), bug fixed #1088867 (Laurynas Biveinis), bug fixed #1089265 (Laurynas Biveinis), bug fixed #1089031 (Laurynas Biveinis), bug fixed #1108874 (Laurynas Biveinis), bug fixed #1083669 (Laurynas Biveinis), bug fixed #1082437 (Laurynas Biveinis), bug fixed #909376 (Laurynas Biveinis).