Re: Regression test fails when BLCKSZ is 1kB

From: "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Peter Eisentraut" <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org, "Zdenek Kotala" <Zdenek(dot)Kotala(at)sun(dot)com>
Subject: Re: Regression test fails when BLCKSZ is 1kB
Date: 2008-04-21 17:29:14
Message-ID: 2e78013d0804211029n6e821839hec9aa5c7877749d4@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Mon, Apr 21, 2008 at 10:54 PM, Pavan Deolasee
<pavan(dot)deolasee(at)gmail(dot)com> wrote:

> Case 1.
>
> Insert 100 records --- goes into block 1 .. 10
> Delete 100 records
> Insert 100 more records --- goes into 11 .. 20
>
>
> Case 2.
>
> Insert 100 records --- goes into block 1 .. 10
> Delete 100 records
> *Autovacuum triggers*
> Insert 100 more records -- goes into block 1 .. 10
>

Its probably not a very neat example because in this simplistic case,
the ordering would still be same, but we can easily construct a
slightly complex example to prove the point.

Thanks,
Pavan

--
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Greg Smith 2008-04-21 17:29:59 Re: TODO, FAQs to Wiki?
Previous Message Pavan Deolasee 2008-04-21 17:24:49 Re: Regression test fails when BLCKSZ is 1kB