… update, I prefer to use CMAN as recommended. First as we have 2 nodes of 3 running, we should try to not…_MySQL [p_mysql] (unmanaged) p_mysql:0 (ocf::percona:mysql): Master percona1 (unmanaged) p_mysql:1 (ocf::percona:mysql): Slave percona2 (unmanaged) p_mysql:2 (ocf::percona:mysql): Slave percona3…
Post: MySQL Query Patterns, Optimized - Webinar questions followup
…presentation on “MySQL Query Patterns, Optimized” for Percona MySQL Webinars. If you …temporary table could vanish if the slave restarts and then subsequent queries…the sequence after making certain insert/update/delete operations. If you have… it helped? When I did not use the STRAIGHT_JOIN, the…
Comment: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 2
Stephane, how are you coping with bug#69095 (replication fails with GTID enabled and master changes from SBR to RBR) and bug#69135 (mysql.slave_master_info is not updated) ?
Post: Multicast replication in Percona XtraDB Cluster (PXC) and Galera
… isn’t really much different from standard mysql replication. 1 master with 5 async slaves is going to send a separate replication… luxury of not blocking the master from taking writes if bandwidth is constrained and the slaves lag for a bit, not so in… server. I could not find a way to migrate an existing unicast cluster to multicast with a rolling update. I believe (but…
Comment: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 1
… regular MySQL replication to using replication using GTIDs 1. Temporary tables – CREATE and DROP TEMPORARY tables are not supported inside transaction. 2. Updates…. Also, if BINLOG_FORMAT is not consistent on master/slave db. 3. CREATE TABLE …. SELECT – It is not supported to perform such type…
Post: Follow these basics when migrating to Percona XtraDB Cluster for MySQL
Galera/Percona XtraDB Cluster (PXC) for MySQL is a hot thing right now and some users jump … basics. log_slave_updates is REQUIRED You need to have log_slave_updates enabled on the cluster node acting as async slave for replicated events… normal async replication, an event will not be written to the slave‘s binary unless log_slave_updates is enabled, this is similar to…
Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available
… conflict and leave a slave hanging. Bug fixed #1130888 (Seppo Jaakola). If MySQL replication threads were … to prepared statement execution loop, which does not honor wsrep status codes correctly. Bug fixed #1144911…please report them to our bug tracking system. UPDATE[18-04-2013]: There was a RPM …
Post: Percona Server for MySQL 5.5.30-30.2 now available
…slave_max_allowed_packet variable. Bug fixed #1135097 (George Ormond Lorch III). Fixed the upstream bug #62578 which caused MySQL…MySQL 5.5.30-30.2 are available in our online documentation. Bugs can be reported on the launchpad bug tracker. UPDATE… clean RPM installations and not upgrades. We have …
Post: Is Synchronous Replication right for your app?
… a player makes an achievement, your application updates this table with a statement like this: UPDATE achievements SET count = count + 1 where… stand-alone MySQL Innodb with asynchronous slaves. We may not think about the tradeoffs, but we’re making them (anyone obsessively testing slave position…
Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue
…completed regardless of its state before updating. This caused some problems for some…slave_max_allowed_packet variable. Bug fixed #1135097 (George Ormond Lorch III). Fixed the upstream bug #62578 which caused MySQL…regression only affected clean RPM installations and not upgrades. We have pushed the …

