Daniel Nichter has released version 3.0 of mysqlreport, one of my favorite tools for quickly comprehending the overall state of a MySQL server. The new version prints out the most important information about InnoDB.
It looks like this:
$ perl mysqlreport --innodb-only MySQL 5.0.26-standard-l uptime 3 9:57:51 Fri Dec 8 17:29:07 2006 __ InnoDB Buffer Pool __________________________________________________ Usage 1.25G of 1.25G %Used: 100.00 Read ratio 0.002 Pages Free 1 %Total: 0.00 Data 78.94k 96.37 %Drty: 0.01 Misc 2976 3.63 Latched 0 0.00 Reads 3.47G 11.7k/s From file 6.30M 21.4/s 0.18 Ahead Rnd 216772 0.7/s Ahead Sql 181211 0.6/s Writes 811.05M 2.7k/s Flushes 4.16M 14.1/s Wait Free 0 0/s __ InnoDB Lock _________________________________________________________ Waits 680 0.0/s Current 0 Time acquiring Total 492478 ms Average 724 ms Max 5182 ms
As always, very helpful… just the facts, nothing more. I have 1.25 GB of buffer pool, 100% used, very small percentage of dirty pages, etc etc. You can see it all at a glance.
It pulls the data from SHOW STATUS, which means it only works on newer versions of MySQL. Those variables are available in 5.0.3 and later, if memory serves me.
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