From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Peter Childs <Blue(dot)Dragon(at)blueyonder(dot)co(dot)uk>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [GENERAL] 7.4Beta |
Date: | 2003-08-16 04:27:25 |
Message-ID: | 3F3DB2AD.40308@Yahoo.com |
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Lists: | pgsql-general pgsql-hackers |
Bruce Momjian wrote:
> Is there a TODO here?
Maybe!? It's one of these premature things noone can tell by now. So the
TODO would be "investigation" for now.
Jan
>
> ---------------------------------------------------------------------------
>
> Tom Lane wrote:
>> Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
>> > I'm thinking instead of a way to "cache" entire executors for this. Each
>> > SPI plan used during a transaction would need it's own executor, and I
>> > don't know offhand what type and how much resources an executor requires
>> > (I think it's only some memory that get's initialized and the VFD's
>> > opened).
>>
>> Hmm. This is probably more feasible now than it would have been a year
>> ago, because I did some cleanup work to ensure that executor state is
>> localized into a specific memory context. I'm not certain about the
>> amount of overhead either, but it's surely worth a try.
>>
>> regards, tom lane
>>
>
--
#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me. #
#================================================== JanWieck(at)Yahoo(dot)com #
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