>> Not sure. Do you have a link to the archives, or any idea when this
>> discussion occurred/what the subject line was?
>
> They presented at PgCon a couple of years in a row, iirc..
>
> http://www.pgcon.org/2007/schedule/events/16.en.html
Yes, this one. On page 18, they talked about their customized version
of PostgreSQL called "Postgres 8.2.4-uis":
Change WALInsertLock access $(Q#|(B Using SpinLockAcquire () as WALInsertLock locked most of time $(Q#|(B
Consideringa queue mechanism for WALInsertLock
I'm not sure if they brought their patches to public or not though...
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp