•Janssen, Lead, Percona
• Giuseppe Maxia,,
• Cédric Peintre, DBA, Dailymotion
•, , SkySQL Ab
• Liz van Dijk,of Technical Account Management, Percona
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…the demo and there is no fencing configured on the pacemaker crm snippets examples provided in on Percona's github repo.
A6: Fencing is independent of PRM and is well covered elsewhere on the web. I'll see to add an example configuration with stonith devices. On real hardware, the most common stonith device are IPMI or ILO. These technologies comes with nearly all the server brands.
Q7: Is there any other Mysql HA setup supported by Percona's mysql_prm pacemaker …
…hard-to-recover problems. Here's MMM's flaws :, at Percona, on
In short,causes more downtime than it prevents. It's a Low-Availability tool, not a tool. It only takes one really good serious system-wide mess to take you down for a couple of days, working 24×7 trying to scrape your data off the walls and put it back into the server. MMM brings new meaning to the term "cluster-f__k".
MySQL Performance Blog from Percona - one of the best resources on performance
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Kitchen Soap - by John Alspaw (another of my personal heroes in IT field)
DevOps - feed/news aggregator for the Planet community
DevOps Community on Reddit - not too active, but still a useful resource …
Generate a new template with correct polling interval - by default all Percona templates are shipped configured for 5-minute polling intervals. To change that you need to re-generate them using a procedure explained in their documentation . If you're using their to deploy the scripts, here is a command that worked for me:
--mpds port \
--graph_height 200 \
--graph_width 800 \
--poll_interval 10 \
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Based on 5.5.34-32.0 including all the bug fixes in it, Galera Replicator and on Codership wsrep API 5.5.34-25.9 , Percona XtraDB Cluster 5.5.34-25.9 is now the current stable release. All of Percona's software …
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