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Re: WIP: Fast GiST index build

From: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP: Fast GiST index build
Date: 2011-08-03 08:18:49
Message-ID: CAPpHfduAhSNo8LHMPj_pqQ_2W6ZDPzdQBPzHbnpqaKz6kf4nrw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers 
I found that in previous version of patch I missed PageSetLSN
and PageSetTLI, but huge amount of WAL is still here. Also I found that huge
amount of WAL appears only with -O2. With -O0 amount of WAL is ok, but
messages "FATAL:  xlog flush request BFF11148/809A600 is not satisfied ---
flushed only to 44/9C518750" appears. Seems that there is some totally wrong
use of WAL if even optimization level does matter...

------
With best regards,
Alexander Korotkov.
Attachment: gist_fast_build-0.9.1.patch.gz
Description: application/x-gzip (23.0 KB)

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