Percona Server 5.5.8-20.0¶
Released on February 16, 2011 (Downloads are available here and from the Percona Software Repositories.)
Percona Server 5.5.8-20.0 is a beta release.
New Features¶
- InnoDB adaptive hash function searches can now be spread across multiple partitions (see Multiple Adaptive Hash Search Partitions). Bug fixed: #688866. (Yasufumi Kinoshita)
- Information from
SHOW ENGINE INNODB STATUS
was made available in new status variables in InnoDB Show Status. Bug fixed: #698797.
Variable Changes¶
- New variable
innodb_adaptive_flushing_method
was added.- New variable
innodb_use_global_flush_log_at_trx_commit
was added. Bug fixed: #635399. (Yasufumi Kinoshita)- New variable
log_warnings_silence
replaced old variablesuppress_log_warning_1592
. Bug fixed: #692413. (Oleg Tsarev)- Old variable
innodb_adaptive_checkpoint
was deleted. Bug fixed: #689450. (Yasufumi Kinoshita)- Old variable
innodb_flush_log_at_trx_commit_session
was deleted. Bug fixed: #635399. (Yasufumi Kinoshita)- Old variable
use_global_long_query_time
was deleted. Bug fixed: #692415. (Oleg Tsarev)- Old variable
innodb_ibuf_accel_rate
was renamed toinnodb_ibuf_merge_rate
. Bug fixed: #695906 (Yasufumi Kinoshita)- Old variable enable_query_response_time_stats was renamed to
query_response_time_stats
. (Oleg Tsarev)- Existing variable
log_slow_verbosity
had two new values added:profiling
andprofiling_use_getrusage
. (Oleg Tsarev)- Existing variables
profiling_server
andprofiling_use_getrusage
were merged into the Slow Query Log page. (Oleg Tsarev)
Other Changes¶
- Additional information was added to the
LOG
section of theSHOW STATUS
command. Bug fixed: #693269. (Yasufumi Kinoshita)- The
SHOW PATCHES
command was removed. (Vadim Tkachenko)- The
INFORMATION_SCHEMA
tableXTRADB_ENHANCEMENTS
was removed. (Yasufumi Kinoshita)- Several fields in the
INFORMATION_SCHEMA
tableINNODB_INDEX_STATS
were renamed. Bug fixed: #691777. (Yasufumi Kinoshita)- The XtraDB version was set to 20.0. (Aleksandr Kuzminsky)
- Many InnoDB compilation warnings were fixed. Bug fixed: #695273. (Yasufumi Kinoshita)
- An Amazon OS repository was created. Bug fixed: #691996. (Aleksandr Kuzminsky)
Contact Us
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