June 19, 2013

Post: ZFS on Linux and MySQL

… These servers will run a few slave instances each of production database …snapshots.  With LVM, your IO performance drops to 33% after the first …the snapshot while holding a “flush tables with read lock” and the … is a very interesting solution for MySQL backup servers.  All backup solutions have…

Comment: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 1

… to simply switch from regular MySQL replication to using replication using GTIDs 1. Temporary tables – CREATE and DROP TEMPORARY tables are not supported inside…for the respective table on master databases. Also, if BINLOG_FORMAT is not consistent on master/slave db. 3. CREATE TABLE …. SELECT – It…

Post: Percona Server for MySQL 5.5.30-30.2 now available

MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling variable innodb_lazy_drop_table… Bugs fixed #1131189 (Alexey Kopytov). In the event that a slave was disconnected from the master, under certain conditions, upon …

Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

… case when DROP TEMPORARY TABLE statement was used, but it will still replicate in case DROP TABLE statement is used on a temporary table. Bug… to unresolved replication conflict and leave a slave hanging. Bug fixed #1130888 (Seppo Jaakola). If MySQL replication threads were started before running…

Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue

MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling variable innodb_lazy_drop_table… Bugs fixed #1131189 (Alexey Kopytov). In the event that a slave was disconnected from the master, under certain conditions, upon …

Post: Percona XtraBackup 2.0.7 for MySQL available for download

…/restore a slave can be found in this blogpost. Percona XtraBackup option xtrabackup –export now supports transportable tablespaces introduced in MySQL 5… when preparing the 5.6 backup with partitioned tables. Bug fixed #1169169. Tables that were dropped between taking a full backup and an…

Post: Percona XtraBackup 2.1.0 'release candidate' for MySQL available for download

… a slave can be found in this blogpost. Percona XtraBackup option xtrabackup –export now supports transportable tablespaces introduced in MySQLTables guide. Bugs Fixed: Percona XtraBackup would crash when preparing the 5.6 backup with partitioned tables. Bug fixed #1169169. Tables that were dropped

Post: Announcing Percona XtraBackup 2.1.1 GA

… Perl’s DBD::MySQL package for server communication instead of spawning the MySQL command line client…up was standalone server (neither master nor slave in replication) and binlog information wasn’t… #1172016. Percona XtraBackup would assume the table has been dropped if the tablespace was renamed …

Post: Ultimate MySQL variable and status reference list

MySQL manual, especially the option and variable reference tableslave_hostsblogpercona.commanual Com_show_slave_statusblogpercona.commanual Com_show_statusblogpercona.commanual Com_show_storage_enginesblogpercona.commanual Com_show_table