June 18, 2013

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

…regardless of its state before updating. This caused some problems for …: Percona Server for MySQL has implemented priority connection scheduling for the Thread Pool….in the read_view_create_low() in most cases. This significantly… Kopytov). In the event that a slave was disconnected from the master, …

Post: Percona Server for MySQL 5.5.30-30.2 now available

… Percona Server for MySQL has implemented priority connection scheduling for the Thread Pool….in the read_view_create_low() in most cases. This significantly…Alexey Kopytov). In the event that a slave was disconnected from the master, … on the launchpad bug tracker. UPDATE[18-04-2013]: There was…

Post: Ultimate MySQL variable and status reference list

slave_statementsblogpercona.commanual log_tcblogpercona.commanual log_tc_sizeblogpercona.commanual log_warningsblogpercona.commanual long_query_timeblogpercona.commanual low_priority…isolationblogpercona.commanual unique_checksblogpercona.commanual updatable_views_with_limitblogpercona.commanual …

Post: Using MyISAM in production

… MySQL treats updates as higher priority operations. You can use SELECT HIGH_PRIORITY or UPDATE LOW_PRIORITY to adjust that or you can simply set low_priority_updates option…% correct and always available. For example statistical data. Data on slave servers. If it crashes you can simply re-clone it…

Comment: Managing Slave Lag with MySQL Replication

Setting LOW_PRIORITY on UPDATE/DELETE/INSERT queries may also cause a replication lag. It works fine on the master, but when it is being replicated to the slaves, it will cause the replication thread to wait until there are no more readers on that table.