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Re: strange index performance?

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Thomas Finneid <tfinneid(at)fcon(dot)no>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: strange index performance?
Date: 2009-01-24 14:57:10
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Sat, Jan 24, 2009 at 3:57 AM, Thomas Finneid <tfinneid(at)fcon(dot)no> wrote:
> Hi
> I just experienced a performance loss on inserts when redefining my index on
> a table.
> I have a database with the following table
> table:
>   id1  int
>   id2  int
>   id3  int
>   id4  int
>   val1 float
>   ....
>   tablespace dbspace
> the data id distribution is hierarchical and even, well fitting to a btree,
> there is about 20000 rows per insert (actually a jdbc COPY)

Is this table constantly growing, or is it at a stable plateu?  I'd
assume a constantly growing table, or one with bloat problems would
get slower over time.  About how many rows does this table have?

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