Databases
MySQL Proxy. Playing with the tutorials
I was playing with the 5 sample tutorial Lua scripts available here with the MySQL Proxy , but I was doing something a little inefficiently. I started mysqld, then I started the MySQL Proxy with the lua script, then connected to MySQL via the proxy.
Read moreWhat’s your disk I/O thoughtput?
MySQL uses disk. Ok, so everybody knew that. MySQL uses disk in two primary ways. Random I/O (Reading & Writing Data/Index blocks) Sequential I/O (Binary Log, InnoDB Redo Log) Historically it’s been best practice to separate these onto different spindles, and also separating the OS and tmp space onto a third spindle.
Read moreTop 5 Best Practices for MySQL
We had the Top 5 wishes for MySQL started by Jay recently. So in true chain letter fashion I’m starting a new one this week. “The top 5 Best Practices for MySQL”.
Read moreGot MySQL Proxy yet!
If you haven’t got MySQL Proxy yet, then stop and get it now. Jan announced the release a few days ago of this new product offering from MySQL . I first heard about MySQL Proxy at the recent MySQL Conference 2007 and actually used it a few weeks later to help address slow running queries during benchmarking with a granularity of milliseconds — Wow.
Read moreQuery Cache is deterministic
I was reading some points on a Blog post today here . I didn’t see it via Planet MySQL but via a Google Alert. The post has several good beginner points on MySQL Performance, but included the point “Literal current date is better than using the CURRENT_DATE() function because literals will use the query cache but functions won’t.
Read moreMy ‘Hourly’ MySQL Monitor Script Version 0.05
I’ve been able to steal some more time to work on my script following My ‘hourly’ MySQL monitor script Version 0.03 almost a month ago. The purpose of this script is simple.
Read moreWatching for Disk Based Tables being created
I didn’t know you could actually do this before addressing this problem in a benchmark using 5.0.36. MySQL allows you to update two tables with a single UPDATE statement. I knew you could reference two tables in an UPDATE statement but not update both.
Read moreThe Facebook effect
First it was the SlashDot effect, then it was the Digg effect, now it’s the Facebook effect. I have a friend at Facebook and he was talking about the effect of the Facebook Platform API that was released a few weeks ago.
Read moreTop 5 wishes for MySQL
Note: My views are just that: mine. 1. Real time Query Monitoring MySQL 5.0 GA provides only 3 ways to look at queries that are executed on a server in some way or another.
Read moreMySQL – Wikipedia
I was reading only last week the notes from [Wikipedia: Site Internals, Configuration and Code Examples, and Management Issues][1] Tutorial by Domas Mituzas at the recent [2007 MySQL Conference][2]. I didn’t attend this session, like a lot of sessions too much good stuff at the same time.
Read moreMySQL – Testing failing non-transactional statements
I was asked recently to confirm a consistent state of data in a non-transactional MySQL table after a failing statement updating multiple rows did not complete successfully. Hmmm, this is what I did.
Read moreSome comments of ‘Five months with MySQL Cluster’
I recently saw the Planet MySQL post Five months with MySQL Cluster by Brian Moon. Thought I’d add my 5 cents worth (Australian’s don’t have 1 cent coins any more to make 2 cents worth)
Read moreAmp’d Mobile no more
Announced at the 2007 Conference as MySQL Applications of the Year – #1 in 3G Mobile Entertainment, Amp’d Mobile is no longer the poster boy within the US telecommunications. [Amp’d Mobile Implodes: Burns $360 million, Declares Bankruptcy][1].
Read moreInnodb Monitoring I didn’t know
Ok, so I knew about innodb_table_monitor and innodb_tablespace_monitor. I’ve tried them before, looked at the output and given up, partly because it didn’t serve the purpose I wanted it to at the time, and also because it’s format was a little cryptic.
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