[GE users] Arco tool results differ from qacct

John Mc-Nicholas XJ (GU/ETL) john.xj.mc-nicholas at ericsson.com
Wed May 16 17:25:56 BST 2007

Hi All

I am basically having the same problem that Todd Heywood had earlier in
the year.
He gave up on Arco tool in the end , I hope I haven't got to do the

> Heywood, Todd wrote: >> How does ACRo report time and memory? I
assumed it would be the same as >> for qacct, for which it is seconds
and Gbytes (according to "man >> accounting"). But qacct and ACRo are
reporting different numbers. Unit >> conversions don't account for the

The Arco Tool produces nice graphs and the SQL works fine but when I
compare to the output of QACCT  , it is a completely different set of
There is some correlation between the data. For example, Aprils usage is
the highest in both sets of results &
The users with the most usage also correspond in both sets of data.
But the actual data seems to be randomly out by an order of  20-30%. 

I'm specifically trying to extract grid jobs memory (Gigabyte seconds)
per month
For example the data for April 
qacct -b 200704010000 -e 200704312359
MEMORY  5743492.079   

But the output in arco gives.........

Is this a bug in ARCO/GRID ?
What would cause this behaviour?

The only strange thing I've noticed is that I have 2 dbwriter process
instead of 1 & 5 postmaster instead of 3.

  sgeadm  1430  1422   0   May 10 ?           0:00 /bin/sh
  sgeadm  1422     1   0   May 10 ?           0:00 /bin/sh
postgres  1402  1401   0   May 10 ?           0:00
/usr/local/pgsql/bin/postmaster -D /usr/local/pgsql/database -S
 postgres  1403  1402   0   May 10 ?           0:01
/usr/local/pgsql/bin/postmaster -D /usr/local/pgsql/database -S
postgres  1401     1   0   May 10 ?           0:04
/usr/local/pgsql/bin/postmaster -D /usr/local/pgsql/database -S
postgres 13303  1401   0 16:29:34 ?           0:00
/usr/local/pgsql/bin/postmaster -D /usr/local/pgsql/database -S
postgres  9719  1401   0 14:31:33 ?           0:20
/usr/local/pgsql/bin/postmaster -D /usr/local/pgsql/database -S

If you've any ideas please get back to me & I'll give you more detailed

Best Regards

> John Mc Nicholas
> STE/SEA Support Engineer
> BETE Test Plants UK 
> E
> Phone: +44 (0) 1483 305458
> Email: john.xj.mc-nicholas at ericsson.com
> Address: Ericsson,  Midleton Gate, Guildford Business Park, Guildford,
> Surrey, GU2 8SG , UK
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