Comments on Tim, the Enchanter: Can you find the exclusive lock?

I like that you tagged this post "nerd." I wish th...

2008-07-17T14:11:00.000-07:00

I like that you tagged this post "nerd." I wish there was some way to tag my life like that.

sounds like another good way. I guess fork is rub...

2008-07-15T14:04:00.000-07:00

sounds like another good way. I guess fork is ruby's traditional way to try and be multi-threaded :)

I discovered this after I posted this article :) ...

2008-07-07T21:36:00.000-07:00

I discovered this after I posted this article :) So, so much for my excitement for native POSIX threads. Grrr. Ah well - the forking route and spawning little tiny query workers has proved quiet effective to get queries to execute in parallel.

note also that because ruby 1.9 still uses a globa...

2008-07-07T21:26:00.000-07:00

note also that because ruby 1.9 still uses a global thread lock it only allows one thread to run at a time, so...currently anything that doesn't use rb_thread_block regions will still block the other threads. So current mysql will still block [even if compiled on 1.9]. Native threads, but not totally native :)
I believe Python works the same way. It's like the two languages are coalescing!

don't know how with 1.8.x. With 1.9 you could rel...

2008-06-25T10:47:00.000-07:00

don't know how with 1.8.x. With 1.9 you could release a thread temporarily from having its global lock, I believe. Or see my post on using fibers and evented sql for 1.9. Barring that I suppose maybe fork off or something might help.
GL.
-R