I think there no better way you can get around this problem. You need to
check the disk periodically and it is not to hard.

2009/10/1 Dave Huber <dhu...@letourneautechnologies.com>

>  I am inserting 250 rows of data (~2kbytes/row) every 5 seconds into a
> table (the primary key is a big serial). I need to be able to limit the size
> of the table to prevent filling up the disk. Is there a way to setup the
> table to do this automatically or do I have to periodically figure out how
> many rows are in the table and delete the oldest rows manually?
>
>
>
> Thanks,
>
> Dave
>
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