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Re: why we need both the collector & buffer process

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: William(dot)Jiang <jiang_sir(at)yahoo(dot)com(dot)cn>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: why we need both the collector & buffer process
Date: 2002-12-25 21:56:53
Message-ID: 27093.1040853413@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
"=?gb2312?q?William.Jiang?=" <jiang_sir(at)yahoo(dot)com(dot)cn> writes:
>    I have read the code and I am wondering why we need two processes to do the work. I think one process can work as well. Are there something special you considered when you developed this feature?

It's a buffering issue.  Read the discussion in the pghackers archives
for details.

			regards, tom lane

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