Re: Size Limit

From: selkovjr(at)mcs(dot)anl(dot)gov
To: "Byron Joseph Bacaltos" <byronjo(at)hotmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Size Limit
Date: 2000-06-14 07:00:46
Message-ID: 200006140737.CAA18797@mail.xnet.com
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> Sir,
>
> I am currently using ingres and would like to migrate to postgres.
> However the problem is that my existing database is now over 2GB and all of
> my scsi disks are only at 2GB. In ingres all I have to do to extend large
> tables to multiple locations or file systems (disks) thereby enabling me to
> look into my table as if it is residing in a single disk. Is this posible
> with postgres?

It is possible with most unix kernels, it is known as "disk striping",
a.k.a. RAID0.

As a kludge, you might want to scatter the tables across multiple
filesystems and symlink them into the database directory. That will
work if no table is larger than 2Gb. When a table reaches 2Gb, you can
let it grow a little over, enough to get split, then move out the
surplus (not sure whether postgres splits tables in systems other than
linux).

--Gene

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  • Size Limit at 2000-06-13 00:26:18 from Byron Joseph Bacaltos

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