Re: WAL oddities (8.0.3)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Rod Taylor <pg(at)rbt(dot)ca>
Cc: PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WAL oddities (8.0.3)
Date: 2005-06-30 21:06:22
Message-ID: 21640.1120165582@sss.pgh.pa.us
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Rod Taylor <pg(at)rbt(dot)ca> writes:
> First, are WAL files not allowed to end in FF?

I recall that there's some wastage of addressing space, but I don't
recall the exact reasoning. You can probably find a comment about it
in xlog.c or nearby.

> However, now I'm left with a pg_xlog directory that is about 7 GB in
> size. All of the files but the most recent has a corresponding
> archive_status/$FILE.done file. Will PostgreSQL eventually remove most
> of these unnecessary files or am I stuck with them?

I'd have thought the next checkpoint would zap 'em.

regards, tom lane

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