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To try and help in debugging, I’ve been playing with some of the extra tools that come with Valgrind.
Everybody knows that if you aren’t using Valgrind you are living in sin.
I’ve recently tried to have a go at using Helgrind. It’s suppossed to be able to help you in finding race conditions in multithreaded applications.
Well, mysql is multithreaded, and so is NDB (cluster), so, this could be rather useful (especially since, with some new work being done, i’ve found race conditions, i just need to find out where).
From the manual:
Basically what Helgrind does is to look for memory locations which are accessed by more than one thread. For each such location, Helgrind records which of the program’s …
[Read more]In case you haven’t heard…
I am no longer with MySQL, and will be starting my new job as a MySQL Guru at Yahoo! on December 6th. If you want the details about why or how or when, feel free to ask me! (My email is jeremy [at] jcole [dot] us.)
Wish me luck!
Update: See what Jeremy Zawodny has to say about it: Jeremy Cole will be Yahooing Soon too!
Update: Mike Hillyer chimes in: Jeremy Cole is a Yahoo!
Okay, here's my obligatory first post. I'll be rambling mostly about software here (because that's my 'day job'), and since my 'day job' consists of making sure MySQL plays nice with Java, you'll see some of that too.
From time to time, personal anecdotes will make it in here, if I feel so inclined.
Okay, here‘s my obligatory first post. I‘ll be rambling mostly about software here (because that‘s my ‘day job‘), and since my ‘day job‘ consists of making sure MySQL plays nice with Java, you‘ll see some of that too.
From time to time, personal anecdotes will make it in here, if I feel so inclined.
Okay, here‘s my obligatory first post. I‘ll be rambling mostly about software here (because that‘s my ‘day job‘), and since my ‘day job‘ consists of making sure MySQL plays nice with Java, you‘ll see some of that too.
From time to time, personal anecdotes will make it in here, if I feel so inclined.
This is kind of old news, but I wanted to put it in my blog anyway, as perhaps some of you haven’t seen it, and so I won’t lose it.
On June 15, 2004, LinuxWorld interviewed Jeremy Zawodny and Derek Balling regarding their new book, High Performance MySQL. They asked the following question:
LinuxWorld: You must have experienced lots of different databases of information over the years - what was your favorite use for a database system?
Jeremy Zawodny: That’s a tough one. I (Jeremy) really like the aviation database that Jeremy Cole …
[Read more]