"Hitoshi Harada" <umi.tan...@gmail.com> writes: > 2009/1/15 Bruce Momjian <br...@momjian.us>: >> Has this been addressed?
> It is mentioned at > http://archives.postgresql.org/pgsql-hackers/2008-12/msg01849.php > but not solved yet. It seems to me that to solve this the tuplestore's > inside design should be changed much. In-file state doesn't use memory > any more but it should be re-used for writing buffer, whereas the > current desgin uses BufFile to do it, which causes tell/seek overhead > for repeated put/get operation. And this is not for 8.4, I guess. I was thinking of something a lot simpler, like just allowing BufFile to maintain separate buffers for read and write pointers. But in any case it's not likely to get done for 8.4. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
