On one of the clusters at Spil we noticed a sudden increase in
the length of the history list and a steep increase in the ibdata
file in the MySQL directory.
I did post a bit about this topic earlier regarding MySQL 5.5 but this cluster is still running 5.1 and unfortunately 5.1 does not have the same configurable options to influence the purging of the undo log…
Now I did find a couple of great resources that explain the …[Read more...]