For large number of online applications once you implemented proper sharding you can consider your scaling problems solved – by getting more and more hardware you can grow. As I recently wrote it however does not mean it is the most optimal way by itself to do things. The “classical” sharding involves partitioning by user_id,site_id [...]
Just found this wonderful summary of articles by Jeremy and wanted to give some of my thoughts on the topic. First lets speak about death of the RAID. I think this is far from the case especially if you consider Software RAID here. For many workloads you would like to get RAID just for the [...]
About half a year have passed since me and Vadim have left MySQL to do MySQL Consulting on our own. Bunch of people have been wondering about our experiences so I thought it would be worth to share it here.
As I already announced last week I started MySQL Performance Forums project focusing on MySQL Performance discussions as it names says. I spend planty of time replying questions and thought it would be good idea to provide weekly overviews of most interesting topic discussed. Here is the list for last week: Ways to perform full [...]
MySQL has a great feature called “Query Cache” which is quite helpful for MySQL Performance optimization tasks but there are number of things you need to know. First let me clarify what MySQL Query Cache is – I’ve seen number of people being confused, thinking MySQL Query Cache is the same as Oracle Query Cache [...]