Released on April 4, 2011 (Downloads are available here and from the Percona Software Repositories.)
Percona Server 5.5.10-20.1 is a release candidate.
- Added columns
ROWS_EXAMINED,ROWS_SENT, andROWS_READto tablePROCESSLISTand to the output ofSHOW PROCESSLIST. (Laurynas Biveinis)
- Old status variable innodb_row_lock_numbers was renamed to innodb_current_row_locks. (Yasufumi Kinoshita)
- Old system variable
innodb_enable_unsafe_group_commitwas deleted. The existing MySQL variableinnodb_support_xacan be used instead. (Yasufumi Kinoshita)- Old system variable
log_warnings_silencewas renamed tolog_warnings_suppress. (Oleg Tsarev)- Old system variable
log_slow_timestamp_everywas renamed toslow_query_log_timestamp_always. (Oleg Tsarev)- Old system variable
slow_query_log_microseconds_timestampwas renamed toslow_query_log_timestamp_precision. (Oleg Tsarev)- Old system variable
use_global_log_slow_controlwas renamed toslow_query_log_use_global_control. (Oleg Tsarev)- Old system variable
userstat_runningwas renamed touserstat. (Oleg Tsarev)- Old system variable
innodb_expand_importwas renamed toinnodb_import_table_from_xtrabackup. (Yasufumi Kinoshita)- Old system variable
innodb_auto_lru_dumpwas renamed toinnodb_buffer_pool_restore_at_startup. (Yasufumi Kinoshita)- Old system variable
innodb_overwrite_relay_log_infowas renamed toinnodb_recovery_update_relay_log. (Yasufumi Kinoshita)- Old system variable
innodb_pass_corrupt_tablewas renamed toinnodb_corrupt_table_action. (Yasufumi Kinoshita)
- Bug #724674 - Ported an updated version of the original implementation of the Remove Excessive Function Calls (fcntl) feature, which removes some
fcntlcalls to improve performance. (Oleg Tsarev)- Bug #727704 - When using the Expand Table Import feature, importing .ibd files created on MySQL 5.0 or Percona Server versions prior to 5.1.7 could crash the server. (Yasufumi Kinoshita)
- MySQL bugs 56433 and 51325 - These MySQL bugs have been fixed in Percona Server. (Yasufumi Kinoshita)
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