Thursday, January 27, 2011

note to self, MySQL query profiler

Update The original article mentioned in this post is no longer available, but if you are still interested in query profiling in MySQL, check out this
I will write up an quick start guide to profiling myself here, one day.
-- original post
this article is a great way to get started using the mysql query profiler.

If you've never used it before take some time to check it out, it will change the way you think about the database forever.

Wednesday, January 19, 2011

Note to self, how to get the top tens from MySQL slow query log

Use these two commands to get the top ten and top ten repeaters from MySQL's slow query log.

mysqldumpslow -t 10 ./slow-log > /home/danny/top_ten_slow_query.txt

mysqldumpslow -a -s c -t 10 ./slow-log > /home/danny/top_ten_repeat_slow_query.txt

Tuesday, January 18, 2011

Quote of the [specify period]

This [period]'s quote is from Nicola Morrison, ScottishPower online manager quoted on, here, in a piece which quite frankly looks like marketing blurb placed by a PR agent on a day when the editor was hungover.

Anyway, Nicola have an award for improving customer service not by answering customers questions but by analysing them!

Working with [tech co][1] has ... given us an unparalleled insight into our customers' requirements through the ability to analyse the questions they are asking.

[1] I'm not going to repeat the name of the company involved, I don't want to draw attention to them!

Thursday, January 13, 2011

Note to self, how to delete files older than

Yes, yet another one that I always have to look up, I think it must be my age!

find /path/to/files* -mtime +5 -exec rm {} \;

I know nothing, I'm not a fortune teller, and you'd be insane to think that I am. This disclaimer was cribbed from an email footer I once received. It is so ridiculous I had to have it for myself.

Statements in this blog that are not purely historical are forward-looking statements including, without limitation, statements regarding my expectations, objectives, anticipations, plans, hopes, beliefs, intentions or strategies regarding the future. Factors that could cause actual results to differ materially from the forward looking statements include risks and uncertainties such as any unforeseen event or any unforeseen system failures, and other risks. It is important to note that actual outcomes could differ materially from those in such forward-looking statements.

Danny Angus Copyright © 2006-2013 (OMG that's seven years of this nonsense)