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Re: backup WAL files,

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Sebastian Reitenbach" <sebastia(at)l00-bugdead-prods(dot)de>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: backup WAL files,
Date: 2008-01-15 15:41:42
Message-ID: 23896.1200411702@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-admin
"Sebastian Reitenbach" <sebastia(at)l00-bugdead-prods(dot)de> writes:
> The WAL files have names like this:
> 00000001000000010000003C

> I am wonder what the meaning of the two 1 in the filename is?

The first one (the first 8 hex digits actually) are the current
"timeline" number.  The second one isn't very interesting, it's
an artifact of the way that WAL file locations are converted to
file names internally.

> Are the WAL 
> file names counted up to FFFFFFFFFFFFFFFFFFFFFFFFF ?
> Then I'll run into problems anyways as these int number are too large to be 
> handled by bash.

You definitely should not expect to convert the names to integers.

			regards, tom lane

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