… the release of our new MySQL monitoring plugins on Friday, one commenter asked why the new Nagios plugins don’t use caching… speeding up the poller. This is a very bad idea! I do NOT advocate caching for Nagios checks. Why? Exactly the inverse… monitoring system thinks that the server is fine, based on a three-minute-old file — what good is that? You should be monitoring…
Post: How to Monitor MySQL with Percona's Nagios Plugins
February 22, 2012 By 8 Comments
…. What problem were we trying to solve with these plugins? Why yet another set of MySQL monitoring plugins? The typical problem with Nagios… dig out afterwards. Another very common cause of serious incidents is application misbehavior, such as opening a transaction but never committing…
Post: What’s a good buffer pool read/write ratio?
May 31, 2011 By 6 Comments
… you’re looking at your graph wondering what it should look like, the answer is probably “it should look exactly as it… the Cacti graphs, and this person helped me to understand what the questions were really about. People were asking me “when… system (Nagios?) should be trying to discover whether there is a problem. The graphs are there for quickly showing you what has changed…
Comment: How to Monitor MySQL with Percona's Nagios Plugins
February 23, 2012 By 8 Comments
… coming in for something going wrong. What Sheeri is talking about is usually referred to as reporting. Nagios data can be used for reporting, but it’s best suited for monitoring. MySQL reporting is…
