May 25, 2012

Post: How to Monitor MySQL with Percona's Nagios Plugins

… and preventions. You can read more about that research …mysql-replication-running checks that replication is functioning correctly. Replicas have different data than their master. In addition to delay or failure, replicationerror appropriately. The pmp-check-mysql-status plugin can be configured

Post: Confusing MySQL Replication Error Message

MySQL Error Messages which are confusing, here is one more: 080603 20:53:10 [Note] Slave: connected to master ‘repl@host.com:3306′,replicationconfiguration error) two slave servers got the same server-id. Seriously in this case Master

Post: Master-Master or Master with Many Slaves

…for most of the reads, and this is…error which deletes/trashes all the data and gets replicated to all the slaves ? When you compare master-mastermaster-N-slave configuration will be saturated much faster because it has to handle much more write load. Especially keeping into account MySQL replication

Post: MySQL Limitations Part 1: Single-Threaded Replication

replication instead of MySQL replication. Problem: you end up with an idle standby server, which can’t be used for serving reads…order. If any error occurred, such as… to multiple masters, which is currently…replication currently does, and only enable the multi-threaded behavior if the user configures

Post: MySQL Master-Master replication manager released

MySQL Master-Master replication (often in active-passive mode) is popular pattern used by many companies using MySQLmaster-master pair as well as other configurations such as master-mastererror ? Well you’ll break replication often without knowing about it. You can kind of solve it with using read

Post: Using Flexviews - part two, change data capture

read from and/or write to remote servers, but this example uses the local machine which is the usual configurationmysql -e ‘select * from flexviews.binlog_consumer_status\G’ -uroot *************************** 1. row *************************** server_id: 999 master_log_file: binary_log.000001 master

Post: How To Test Your Upgrades - pt-upgrade

…query execution time including execution errors and warnings. So … and let it replicate until such time you… is consistent across the master and the slave with…testing – one that has read (i.e. SELECT) …MySQL version, you should also consider running these tests on similar hardware and OS configuration