This week we discuss administering Percona Replication Manager. Ear Candy is about repository packages from MariaDB and Oracle, and At the Movies presents a Riak engineer talking about "convergent replicated data types" - data structures that tolerate eventual consistency.
DB Hangops - every other Wednesay at noon Pacific time
The call for papers for OSCon 2014 is open until Thursday, January 30th
Percona Replication Manager Part 2
Episode 168, where we discussed how to install and configure a Percona Replication Manager cluster
When adding a new node, here is how you can increment the "clone-max" attribute:
ms ms_MySQL p_mysql meta master-max="1" master-node-max="1" clone-max="3" \
clone-node-max="1" notify="true" globally-unique="false" target-role="Master" is-managed="true"
(this assumes that up to this point, clone-max was set to 2 - one master and one slave)
How to clean up Pacemaker errors
crm resource cleanup <primitive>:<instance #>
Advanced topics with PRM including how to configure PRM without VIPs or multicast (for use in the cloud) and how to use heartbeat instead of corosync
We talk about a gotcha with the default my.cnf files in packages not having all the proper directories in order to use certain utilities.
At the movies
This week in at the movies, we highlight a presentation by Sean Cribbs of Basho, the company that makes Riak. Sean talks about Convergent Replicated Data Types, data structures that tolerate eventual consistency.