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Re: What is the performance degradation for huge partitioned tables?
Posted by: Mikael Ronström
Date: October 26, 2006 11:32PM

Hi,
Partitioning on a BLOB field is currently not supported so
you probably want to partition on a hash of the URL.

Rgrds Mikael

Per Arne Engstad Wrote:
-------------------------------------------------------
> For a project we want to store up to 5 billion
> (5.000 million) rows in a single database table.
> In order for this to work we need partitioning,
> and we probably need to use hash partitioning on a
> text field (URL). The table has a couple of
> indexes; a primary key (string) and at least one
> integer column which contains an index.
>
> Do you have any performance numbers/graphs which
> show:
> - the decrease in insert time per row as a
> function of number of rows in the table
> - the increase in select time per unique row as a
> function of number of rows in the table
>
> Do you have any experience wrt. maximum number of
> rows using partitioning in real applications on
> single-CPU Linux hardware?
>
> I hope you can help.
>
> Best regards
> Per Arne

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