More on MySQL -- Fatal trap 12

David Xu davidxu at freebsd.org
Wed Feb 18 01:19:24 PST 2004


Can you tell us what scheduler are you using ?  if it is ULE, can you 
try 4BSD too ?
I think this is a heavy load for scheduler too, not just for pthread 
library.

Kris Gale wrote:

>>You expect 900 threads on the server (perhaps a few more
>>for overhead tasks), right?
>>    
>>
>
>Yep, and that's what I see.  MySQL reports 900 threads in
>this instance.
>
>  
>
>>What are the settings for kern.thread.*?
>>    
>>
>
>kern.threads.debug: 0
>kern.threads.max_threads_per_proc: 2500
>kern.threads.max_groups_per_proc: 2500
>kern.threads.max_threads_hits: 0
>kern.threads.virtual_cpu: 4
>  
>




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