From: | marc(at)oscar(dot)eng(dot)cv(dot)net (Marc Spitzer) |
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To: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: delete/vacuum not freeing disk space |
Date: | 2001-10-14 05:50:28 |
Message-ID: | slrn9sia13.lsm.marc@oscar.eng.cv.net |
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Lists: | pgsql-admin |
In article <20011012165439(dot)S71408-100000(at)fw(dot)mccons(dot)net>, Brian McCane wrote:
>
> Being the perpetually lazy person that I am, I have written a PERL script
> that takes care of indexes on a live system. You tell the script the
> database and table to reindex. It then finds a list of indexes for the
> table and creates exactly the same index, with a slightly modified name.
> After the copy is made the old index is DROP'd, and the new one is
> ALTER'd to the old name. Unfortunately, this means that you must have
> enough room for the new index plus the old at the same time, but I am
> sure that most people have lots of spare room. I seem to remember that
> the last time I ran this, it didn't even stop my websites from using the
> tables at the same time. I assume this is because of the versioning
> system used in PostgreSQL.
>
> - brian
>
> Wm. Brian McCane | Life is full of doors that won't open
> Search http://recall.maxbaud.net/ | when you knock, equally spaced amid those
> Usenet http://freenews.maxbaud.net/ | that open when you don't want them to.
> Auction http://www.sellit-here.com/ | - Roger Zelazny "Blood of Amber"
>
>
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would you consider posting that script or emailing it to me?
It would realy come in handy at work.
Thanks
marc
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