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Re: why we need both the collector & buffer process - Mailing list pgsql-hackers

From Tom Lane
Subject Re: why we need both the collector & buffer process
Date
Msg-id 27093.1040853413@sss.pgh.pa.us
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In response to why we need both the collector & buffer process  ("William.Jiang" <jiang_sir@yahoo.com.cn>)
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"William.Jiang" <jiang_sir@yahoo.com.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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