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Re: Strange explain on partitioned tables

From: Gerald Fontenay <gvfontenay(at)lbl(dot)gov>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Strange explain on partitioned tables
Date: 2010-07-23 22:03:55
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
> The PostgreSQL partitioning system is aimed to support perhaps a 
> hundred inherited tables.  You can expect to get poor performance on 
> queries if you create 1000 of them. 


Why is that you would expect poor performance for say 1000 or more? I 
have a ~1000 inherited tables and I don't see any significant slowdowns. 
I only ever access a single inherited table at a time though in this 
situation. I suppose I am using inheritance only for organization in 
this case...


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