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Index File growing big.

From: PRAGATI SAVAIKAR <pragati(at)phildigital(dot)com>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: Index File growing big.
Date: 2003-02-26 06:26:48
Message-ID: Pine.LNX.4.33.0302261155430.691-100000@minxserver.philnet (view raw, whole thread or download thread mbox)
Lists: pgsql-hackerspgsql-performance

Hi !!

   We have "PostgreSQL 7.2.1 on i686-pc-linux-gnu, compiled by GCC 2.96"
installed on Linux (RedHat 7.2)
Our database size is 15 GB.
Since the database size was increasing and was about to cross the actual 
Hard Disk parttion Size, we moved the datafiles (also the index files) to 
another partition  and created link to them from the data directory.
This was working fine.
But what we found was , the index files(2 files) were not getting updated 
in the new partition, instead postgres had created another index file with 
"tableID".1  in the original data directory. The size of this file was 
The actual size of the data table is 1GB. and there were 2 indexes for the 
table. which were of size approximately=150MB.

But after we created link, those 2 index files were not getting updated, 
instead the new file with ".1" extension got created in the data directory
(old parttion) and the same is getting updated everyday.

We dropped the table but the file with ".1" extension was not getting 
removed from data directory. We manually had to remove it.

Can U please suggest some way to avoid the file getting created when we 
move the data file (along with the index files) to another partition.

Thanks in Advance.



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