From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Richard Huxton <dev@archonet.com>
Cc: pgsql-docs@postgresql.org
Subject: Re: Proposed doc-patch: Identifying the Current WAL file
Date: Sat, 15 Apr 2006 12:40:11 -0400
Message-ID: <18673.1145119211@sss.pgh.pa.us> (raw)
In-Reply-To: <200604151624.k3FGOj525540@candle.pha.pa.us>
References: <200604151624.k3FGOj525540@candle.pha.pa.us>
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> In the first case, x2 is current, having be just switched to from x1,
> while in the second case, x1 is current. In BSD, you can use ls -ltT to
> see the seconds, but in Linux it is something different, and I am sure
> there are some operating systems that don't allow you to see the seconds
> at all. What general command-line solution can we propose for this
> process?
For a command-line solution it's probably sufficient to sort by mtime,
ie
ls -t | head -1
You'll be at worst 1 second behind reality, assuming 1-second
granularity of mtime (and assuming ls sorts by the real mtime not what
it shows you, but that's true everywhere AFAIK).
regards, tom lane
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To: pgsql-docs@postgresql.org
Cc: tgl@sss.pgh.pa.us, pgman@candle.pha.pa.us, dev@archonet.com
Subject: Re: Proposed doc-patch: Identifying the Current WAL file
In-Reply-To: <18673.1145119211@sss.pgh.pa.us>
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