Re: MySQL Deadlocks (Was: Re: Benchmark MySQL Performance On FreeBSD And Linux)

[Greg 'groggy' Lehey <grog@xxxxxxxxxxx>]

On Thursday, 15 December 2005 at 22:18:58 -0800, Eric Hodel wrote:
> On Dec 15, 2005, at 8:07 PM, Greg 'groggy' Lehey wrote:
>
>> On Friday, 16 December 2005 at 11:20:12 +0800, huang leo wrote:
>>>
>>> We had evaluated MySQL performance on FreeBSD and Linux. The
>>> result is attached.
>>
>> This is some of the most plausible information I've seen in a while.
>> I'm forwarding it to a MySQL internal list, and I expect we'll discuss
>> it in much detail.
>>
>> A few comments:
>>
>> - I'd be very interested in the deadlocks you've been experiencing.
>>  If you have any additional information, please let me know.
>
> Some time back I experienced deadlocks with FreeBSD 5.4 and either
> libthr or libpthread.  linuxthreads had no issue.  Other machines
> with different hardware did not have the problem.

Interesting.

> It looks like I'll be able to perform some testing on that machine
> sometime early in the new year.  What is the correct forum for
> discussing this when I get the opportunity to look into it again?

I think this forum would be fine.

Greg
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