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Date:      Thu, 15 Apr 2004 11:44:21 +0400
From:      den <moreau@myrealbox.com>
To:        Julian Elischer <julian@elischer.org>
Cc:        threads@freebsd.org
Subject:   Re: FBSD 5.2.CURRENT-p4 and mysqld problems
Message-ID:  <407E3D55.1020502@myrealbox.com>
In-Reply-To: <Pine.BSF.4.21.0404150020550.36886-100000@InterJet.elischer.org>
References:  <Pine.BSF.4.21.0404150020550.36886-100000@InterJet.elischer.org>

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Julian Elischer wrote:

>On Thu, 15 Apr 2004, den wrote:
>
>  
>
>>I'm sorry that my question is not exactly in essence of problem.
>>I compile mysql 4.17 ( static compilation ) on 5.2 from ports. I don't 
>>choose linuxthreads , so as I think libpthread was used .
>>I don't have any problem with mysql on the box.
>>But when I do
>>ps axH
>>I don't see any threads at all. Actually
>>ps ax
>>and
>>ps axH
>>almost are not differ.
>>Can you tell me why this is happened ?
>>    
>>
>
>you are using libc_r because libpthreads has only been introduced since
>AFTER 5.2
>
>
>  
>
>>Thanks.
>>Denis.
>>
>>Julian Elischer wrote:
>>
>>    
>>
>>>firstly,
>>>how many threads did it create?
>>>how much memory did it use?
>>>what does ps -p[pid] -H show?
>>>
>>>is it using system scope or process scope threads?
>>>
>>>Other people have found that there are tricks to compiling it
>>>(something to do with compiler options) and tuning considerations..
>>>
>>>
>>>
>>>
>>>On Thu, 15 Apr 2004, Ganbold wrote:
>>>
>>> 
>>>
>>>      
>>>
>>>>Hi,
>>>>
>>>>I compiled mysql-4.0.18 from ports on CURRENT machine with BUILD_STATIC=yes 
>>>>option with libpthread.
>>>>After installation everything seemed OK. However after few minutes it hang 
>>>>again.
>>>>It seems mysql with libpthread is even more unstable than using linuxthreads.
>>>>
>>>>Ganbold
>>>>
>>>>
>>>>At 09:30 PM 14.04.2004, you wrote:
>>>>   
>>>>
>>>>        
>>>>
>>>>>On Wed, 14 Apr 2004 20:44:30 +0900
>>>>>Ganbold <ganbold@micom.mng.net> wrote:
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>Can you give me some hints and tricks to compile mysql with libpthread?
>>>>>>What compiler options should I use?
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>None, it's the default threading lib with a recent -current. You just
>>>>>have to recompile (every application which may use threads, since mixing
>>>>>the thread libs is not possible, alternatively you can have a look at
>>>>>the man-page of libmap.conf).
>>>>>
>>>>>Bye,
>>>>>Alexander.
>>>>>
>>>>>--
>>>>>                   I'm available to get hired.
>>>>>
>>>>>http://www.Leidinger.net                      Alexander @ Leidinger.net
>>>>> GPG fingerprint = C518 BC70 E67F 143F BE91  3365 79E2 9C60 B006 3FE7
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>_______________________________________________
>>>freebsd-threads@freebsd.org mailing list
>>>http://lists.freebsd.org/mailman/listinfo/freebsd-threads
>>>To unsubscribe, send any mail to "freebsd-threads-unsubscribe@freebsd.org"
>>>
>>>
>>> 
>>>
>>>      
>>>
>>    
>>
>
>
>
>  
>
Julian , Ganbold thanks for answers,

please tell me - how stable libpthreads at current moment ?
Is using of libpthreads preferable then libc_r ( and what qualitative 
chracteristics  ) ?
Is libpthreads better then linuxthreads ?

Thanks for your answers.



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