RE: Berkeley DB... - Mailing list pgsql-hackers

From Mikheev, Vadim
Subject RE: Berkeley DB...
Date
Msg-id 8F4C99C66D04D4118F580090272A7A23018C0A@SECTORBASE1
Whole thread Raw
In response to Berkeley DB...  ("Mikheev, Vadim" <vmikheev@SECTORBASE.COM>)
Responses Re: Berkeley DB...  (Bruce Momjian <pgman@candle.pha.pa.us>)
RE: Berkeley DB...  (Andreas Zeugswetter <andreas.zeugswetter@telecom.at>)
List pgsql-hackers
> > Well, I've dropped index but INSERTs still take 70 sec and 
> > COPY just 1sec -:(((
> 
> Well, for those that have fsync turned off we could actually 
> avoid most of the writes, could'nt we ? Just leave the page
> marked dirty. We would only need to write each new page once.
> The problem as I see it is, that we don't have a good place 
> where the writes would actually be done. Now they are obviously
> done after each insert.

I've run test without fsync and with all inserts in *single*
transaction - there should be no write after each insert...

Vadim



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