Tag: Tuning


Updated: ClusterControl Tips & Tricks: MySQL Query Performance Tuning

Bad query performance is the most common problem DBA’s have to deal with. There are numerous ways to collect, process and analyze the data related to query performance – we’ve covered one of the most popular tools, pt-query-digest, in some of our previous blog posts: Become a MySQL DBA blog series When you use ClusterControl …


A Case Study of Tuning Autovacuum in Amazon RDS for PostgreSQL

In a PostgreSQL database, the autovacuum process performs multiple critical maintenance operations. In addition to freezing the transaction ID to prevent it from wraparound, autovacuum also removes dead tuples to recover space usage. For databases with a high volume of write operations, it is recommended that you tune autovacuum to run frequently. Doing this helps …