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Checkpoint versus Background Writer - Mailing list pgsql-novice

From Shiv Sharma
Subject Checkpoint versus Background Writer
Date
Msg-id CA+LWa-+xq4PJzadVRj2XtpoyPsodZ=8m-gsMLZUgb7kAnbJQkA@mail.gmail.com
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Responses Re: Checkpoint versus Background Writer  ("SUNDAY A. OLUTAYO" <olutayo@sadeeb.com>)
Re: Checkpoint versus Background Writer  (Sergey Konoplev <gray.ru@gmail.com>)
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They seem to do similar things: clear dirty buffers from shared_buffers to disk.

So why have 2 processes with seperate semantics (seperate set of config partms) ?

Assuming PG is multi-threaded, can't we simply have multiple threads of the checkpoint achieve the same result as (checkpoint + bg)


Shiv

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