[pgpool-general: 3682] Re: pgpool connection cost

[Tatsuo Ishii]

>> Regarding memory, pgpool-II require at least about 40MB per pgpool
>> child.
> 
> 
> Just to be clear, because of terminology.
> What do you mean by pgpool child?

Child process.

> In case of this configuration:
> 
> num_init_children = 32
> max_pool = 4
> 
> 32 childrens * 4 = 120 pgpool childs?

No, 32 children.

> 120*40MB = 4800MB

So 32*40MB = 1280MB.

> This looks like a bit too much, since it works fine on lower memory
> configuration.

Also please remember that 40MB includes code + library (in my case
about 7.6MB) which can be shared by among pgpool children.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp