[Pgpool-hackers] [hackers] PgPool II patches : regex and syslog

Tatsuo Ishii ishii at sraoss.co.jp
Tue Dec 28 22:40:27 UTC 2010


> Le 28/12/2010 01:53, Tatsuo Ishii a écrit :
>>> Le 27/12/2010 15:59, Guillaume Lelarge a écrit :
>>>> Hi,
>>>>
>>>> Le 27/12/2010 10:47, Gilles Darold a écrit :
>>>>> [...]
>>>>> Here is the rewritten patch that add syslog support to PgPool with all
>>>>> your great suggestions applied.
>>>>> This patch has been created from the current cvs HEAD branch.
>>>> Thanks. There is a bug in it, that I fixed in the attached patch. Even
>>>> if you declare log_destination and syslog_ident as reloadable, it was
>>>> without effect because there was no code to handle opening or closing
>>>> syslog if they changed.
>>> Damn you're right, I just simply omit this part. Sorry for the
>>> additional work.
>>>> There is another thing that annoys me, but it isn't a bug. What is the
>>>> purpose of pool_config->logsyslog? is it just to avoid a strcmp? which
>>>> seems a poor optimization wrt having two variables with same meaning.
>>> No, this is a flag to delay PgPool logging to syslog only after the end
>>> of configuration file reading. The problem appears when PgPool is run in
>>> debug mode, during the configuration file it detect that log_destination
>>> is set to syslog so if you don't wait (or use a flag)  it will try to
>>> write to syslog before the syslog connection is opened.
>>>
>>>>> This patch also modify the comment about logdir configuraion directive.
>>>>>
>>>>> "Logging directory" has been change into "PgPool status file logging
>>>>> directory"
>>>>>
>>>>> Feel free to apply or remove it. It just seems to me that 'logdir' =>
>>>>> "Logging directory" is very confusing and false as this directive is
>>>>> only used to save the pgpool_status file. It will certainly be better to
>>>>> rename this directive, but for the moment just changing the comment help
>>>>> a lot for understanding and preserve backward compatibility.
>>>> I completely agree with you on that change. But I would much prefer to
>>>> see it applied as another patch rather than in this patch. They have two
>>>> different purposes, so they shouldn't be mixed.
>>> Ok, memorized: one purpose per patch. Please remove it and make an other
>>> one if you think it should be applied.
>>>
>>>> BTW, Tatsuo-san, Gilles and I have absolutely no idea if we should
>>>> change pool_config.c, pool_config.l, or both. We did both, but I would
>>>> really like to know which of these three possibilities is the good one.
>>>> Thanks.
>>> Yes this is because in cvs pool_config.c has not been fully regenerated
>>> from pool_config.l and some part of the regex patch have not been
>>> applied to pool_config.c
>> 
>> I think you only need patches against pool_config.l. I will generate
>> pool_config.c from pool_config.l.
>> 
> 
> Do you need another patch from us, or is the current enough for you?

No, your patches look good. I will commit as soon as possible.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp


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