Any time the volume tables are queried it is to calculate the deltas
between each in_octets and out_octets from the previous row (ordered
by timestamp). The delta is used because the external system, where
the data is retrieved from, will roll over the value sometimes. I
have a function to do
Sorry for not responding directly to your question and for changing
the subject ... ;-)
On 4 March 2011 18:18, Landreville landrevi...@deadtreepages.com wrote:
That is partitioned into about 3000 tables by the switchport_id (FK to
a lookup table), each table has about 30 000 rows currently (a
On 05/03/2011 09:37, Tobias Brox wrote:
Sorry for not responding directly to your question and for changing
the subject ... ;-)
On 4 March 2011 18:18, Landrevillelandrevi...@deadtreepages.com wrote:
That is partitioned into about 3000 tables by the switchport_id (FK to
a lookup table), each
On 5 March 2011 12:59, Mark Thornton mthorn...@optrak.co.uk wrote:
If your partitions a loosely time based and you don't want to discard old
data, then surely the number of partitions will grow without limit.
True, but is it relevant? With monthly table partitioning it takes
hundreds of years
On Fri, Mar 4, 2011 at 4:18 PM, Landreville
landrevi...@deadtreepages.com wrote:
create temporary table deltas on commit drop as
select * from get_delta_table(p_switchport_id, p_start_date,
p_end_date);
select round(count(volume_id) * 0.95) into v_95th_row from deltas;
