Re: wal logs in pg_xlog - Mailing list pgsql-admin

From Jeff Frost
Subject Re: wal logs in pg_xlog
Date
Msg-id Pine.LNX.4.63.0506290805480.10306@discord.dyndns.org
Whole thread Raw
In response to Re: wal logs in pg_xlog  (Nasir Iqbal Danish <nasir@amaana.com>)
List pgsql-admin
On Tue, 28 Jun 2005, Nasir Iqbal Danish wrote:

> Please provide me if u can some script to identify which one is latest file
> so that I can copy this to some other place.
> One more question. Is there a way to build or configure the database server
> to replicate pg_xlogs ?

I use this fairly simple method:

LASTLOG=`ls -rt /pg_xlog/ | grep -v "backup\|archive" | tail -1`

There might be something more elegant.  I also use the following method to get
rid of archived wal files that are older than the oldest base backup I am
keeping:

OLDESTFILE=$PITRBASEDIR/`ls -t $PITRBASEDIR | tail -1`/backup_label

if [ -f $OLDESTFILE ]; then
     /usr/bin/find $PITRDESTDIR -type f -not -newer $OLDESTFILE \
         -exec rm -f \{\} \;
fi

Your mileage may vary, but it appears to work for me.

--
Jeff Frost, Owner     <jeff@frostconsultingllc.com>
Frost Consulting, LLC     http://www.frostconsultingllc.com/
Phone: 650-780-7908    FAX: 650-649-1954

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