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OEM Network I/O Rate warning

Posted on 2008-06-19
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Last Modified: 2013-12-19
An inexperienced dba is grasping for straws and trying to blame slow Oracle response on the network. She is basing all this on OEM Network I/O Rate for a nic is 0.049MB/sec, fallen below warning... messages from OEM.

The nic shows 1GB connection from time of system boot, no errors, no drop packets...nothing. Network utilization from taskmanager is very low.

Stats from here printout from EOM show Average value .06, High Value 1.6, Low Value 0 over 24 hours. The warning and critical thresholds are not defined.

What drives this warning and does it actually mean there is a network issue or just low traffic on the NIC?
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Question by:Difladermaus
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by:Difladermaus
ID: 21821553
info from switch during file transfer test attached
vader-6-19-08-am-test.txt
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schwertner earned 250 total points
ID: 21830630
It could be too much Inactive and Dead processes on the computer.

Investigate the number of sessions:

select count(*) from v$session;

You can add to SQLNET.ORA file the parameter

SQLNET.EXPIRE_TIME = 10

to ask the Listener to drop all dead sessions every 10 minutes.
Play with the time ... 60 minutes.

Try to connect fron clent site to measure the time:

% tnsping 100 alias
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by:Difladermaus
ID: 31468738
I gave this info to our software group. I have asked for feedback, but they don't seem too concerned about it at the moment. Thanks for the info. I may revit this if the need arises.

Difladermaus
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