Percona Server 5.5.10-20.1¶
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.
New Features¶
- Added columns
ROWS_EXAMINED
,ROWS_SENT
, andROWS_READ
to tablePROCESSLIST
and to the output ofSHOW PROCESSLIST
. (Laurynas Biveinis)
Variable Changes¶
- Old status variable innodb_row_lock_numbers was renamed to innodb_current_row_locks. (Yasufumi Kinoshita)
- Old system variable
innodb_enable_unsafe_group_commit
was deleted. The existing MySQL variableinnodb_support_xa
can be used instead. (Yasufumi Kinoshita)- Old system variable
log_warnings_silence
was renamed tolog_warnings_suppress
. (Oleg Tsarev)- Old system variable
log_slow_timestamp_every
was renamed toslow_query_log_timestamp_always
. (Oleg Tsarev)- Old system variable
slow_query_log_microseconds_timestamp
was renamed toslow_query_log_timestamp_precision
. (Oleg Tsarev)- Old system variable
use_global_log_slow_control
was renamed toslow_query_log_use_global_control
. (Oleg Tsarev)- Old system variable
userstat_running
was renamed touserstat
. (Oleg Tsarev)- Old system variable
innodb_expand_import
was renamed toinnodb_import_table_from_xtrabackup
. (Yasufumi Kinoshita)- Old system variable
innodb_auto_lru_dump
was renamed toinnodb_buffer_pool_restore_at_startup
. (Yasufumi Kinoshita)- Old system variable
innodb_overwrite_relay_log_info
was renamed toinnodb_recovery_update_relay_log
. (Yasufumi Kinoshita)- Old system variable
innodb_pass_corrupt_table
was renamed toinnodb_corrupt_table_action
. (Yasufumi Kinoshita)
Bug Fixes¶
- Bug #724674 - Ported an updated version of the original implementation of the Remove Excessive Function Calls (fcntl) feature, which removes some
fcntl
calls 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)