Re: Patch to remove sort files, temp tables, unreferenced files

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Patch to remove sort files, temp tables, unreferenced files
Date: 2001-05-31 01:29:32
Message-ID: 200105310129.f4V1TWu29940@candle.pha.pa.us
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> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> I don't. The intention (not yet implemented, but Vadim's referred to it
> >> repeatedly) is that relation file creation/deletion will be logged in
> >> WAL, and so it can be redone or undone after a crash. That seems a much
> >> more secure approach than anything you've proposed in this thread.
>
> > I prefer a WAL cleanup myself, especially if it can be done for 7.2, but
> > how do we do that without fsync'ing the WAL every time we create a file?
>
> Yes, we'd need to fsync WAL at the file creation/deletion points. So?

I guess we don't do creation/deletion too much.

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