Re: Unbounded (Possibly) Database Size Increase - Toasting

From: Hannu Krosing <hannu(at)tm(dot)ee>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Mark kirkwood <markir(at)slingshot(dot)co(dot)nz>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Unbounded (Possibly) Database Size Increase - Toasting
Date: 2002-05-20 14:27:59
Message-ID: 1021904879.14280.224.camel@taru.tm.ee
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On Sun, 2002-05-19 at 19:37, Tom Lane wrote:
> Mark kirkwood <markir(at)slingshot(dot)co(dot)nz> writes:
> > However I could not get any size stabilization in the toasted case.
>
> Hmm. Which file(s) were growing, exactly? How many row updates is this
> run covering?
>
> I'd rather expect the toast indexes to grow given the lack-of-btree-
> collapse-logic issue.

Why sould the toast indexes grow significantly more than the primary key
of main table ?

> However, the rate of growth ought to be pretty
> tiny --- much less than the amount of data being pumped through, for
> sure.

----------
Hannu

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