It's not. The adaptive flushing algorithm has improved over the various versions, but checkpointing has been the cause of performance stalls for a long time.

It's not. The adaptive flushing algorithm has improved over the various versions, but checkpointing has been the cause of performance stalls for a long time. Here is an early bug report of the problem from 2006. http://bugs.mysql.com/bug.php?id=19673 http://bugs.mysql.com/bug.php?id=19673