From: Mark Kirkwood <markir@paradise.net.nz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Gavin Sherry <swm@linuxworld.com.au>
Cc: Qingqing Zhou <zhouqq@cs.toronto.edu>
Cc: pgsql-hackers@postgresql.org
Subject: Re: ice-broker scan thread
Date: Tue, 29 Nov 2005 17:19:50 +1300
Message-ID: <438BD6E6.1000107@paradise.net.nz> (raw)
In-Reply-To: <29795.1133236913@sss.pgh.pa.us>
References: <Pine.LNX.4.58.0511282217470.13586@josh.db>
<Pine.LNX.4.58.0511291429330.18112@linuxworld.com.au>
<29795.1133236913@sss.pgh.pa.us>
Tom Lane wrote:
> Gavin Sherry <swm@linuxworld.com.au> writes:
>
>>I haven't had time to prototype whether we can easily implement async IO
>
>
> Just as with any suggestion to depend on threads, you are going to have
> to show results that border on astounding to have any chance of getting
> this in. Otherwise the portability issues are just going to make it not
> worth the trouble.
Do these ideas require threads in principle? ISTM that there could be
(additional) process(es) waiting to perform pre-fetching or async io,
and we could use the usual IPC machinary to talk between them...
cheers
Mark
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To: pgsql-hackers@postgresql.org
Cc: markir@paradise.net.nz, tgl@sss.pgh.pa.us, swm@linuxworld.com.au, zhouqq@cs.toronto.edu
Subject: Re: ice-broker scan thread
In-Reply-To: <438BD6E6.1000107@paradise.net.nz>
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