"bytes sent via SQL*Net to client" decreases

Hallo

I want to monitor
"bytes sent via SQL*Net to client"

on my database

so I created a table
t(
snap date,
"bytes sent" number)

and a job which runs every minute and does an insert into t
select sysdate, value
from v$sysstat
where name='bytes sent via SQL*Net to client'

runs well - but now I noticed from time to time that
"bytes sent" decreased !!

Is it a bug or a feature ?
(9.2.0.5)

For example, I had this morning

snap 		24.11.2004 10:15:02   (dd.mm.yyyy HH24:MI:SS)


"bytes sent"	476660504533

snap		24.11.2004 10:16:04


"bytes sent"	473680754223,

How to interprete this ?

Does it mean , between 10:15:02 and 10:16:04 this morning, there were

473680754223 - 476660504533 = - 2979750310 (note: result is negative)

Bytes sent via SQL*Net to clients ?

Matthias Received on Wed Nov 24 2004 - 07:32:51 CST