Re: MVCC for massively parallel inserts

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Steven D(dot)Arnold" <stevena(at)neosynapse(dot)net>, pgsql-general(at)postgresql(dot)org
Subject: Re: MVCC for massively parallel inserts
Date: 2004-01-06 02:49:03
Message-ID: 3FFA221F.6090300@commandprompt.com
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>You are mistaken to think that CPU is the bottleneck, anyway. It is
>going to be disk bandwidth that's your problem, and throwing more CPUs
>at it would not help. If your insert load exceeds the available disk
>bandwidth, I think you have little choice but to figure out a way to
>divide the workload among multiple independent databases.
>
>
>
If you have the money to purchase multiple machines, you can throw more
hard drives at it...

Hard drives are cheap... (well ide/sata anyway).

Sincerely,

Joshua D. Drake

> regards, tom lane
>
>---------------------------(end of broadcast)---------------------------
>TIP 9: the planner will ignore your desire to choose an index scan if your
> joining column's datatypes do not match
>
>

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