Re: strange index performance?

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От Scott Marlowe
Тема Re: strange index performance?
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Msg-id dcc563d10901240657v466a522fi373aa4f3cdf8a9dd@mail.gmail.com
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Ответ на strange index performance?  (Thomas Finneid <tfinneid@fcon.no>)
Ответы Re: strange index performance?  (Thomas Finneid <tfinneid@fcon.no>)
Список pgsql-performance
On Sat, Jan 24, 2009 at 3:57 AM, Thomas Finneid <tfinneid@fcon.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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