Jane, Scott,
do you already have applied IY50663 ?
I would be very interested in ovwdb cpu usage after having this test fix
installed.
Kind regards
Oliver Bruchhaeuser
Tivoli NetView EMEA L2 Support
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| | Jane Curry |
| | <jane.curry@skills|
| | -1st.co.uk> |
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| | s.ibm.com |
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| | 01.12.2003 16:03 |
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| To: nv-l AT lists.us.ibm DOT com
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| Subject: Re: [nv-l] 7.1.4 performance ?
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I've seen similar. I am a little surprised that the default is to have
this turned on. I might suggest the next version of the Release Notes
do at least have a large warning somewhere about performance degradation
with FFDC, if you keep the deafult as having it switched on.
Personally, I've just configured it off.
Cheers,
Jane
Barr, Scott wrote:
Turning FFDC off dropped OVWDB performance from 50% of a CPU to 15% -
results aren't "conclusive" but sure seems dramatic to me.
-----Original Message-----
From: owner-nv-l AT lists.us.ibm DOT com [mailto:owner-nv-l AT lists.us.ibm DOT
com]On
Behalf Of Oliver Bruchhaeuser
Sent: Thursday, November 27, 2003 5:54 AM
To: nv-l AT lists.us.ibm DOT com
Subject: Re: [nv-l] 7.1.4 performance ?
Jane,
this are two complete different things.
The Autotrace is more like a (source) code trace.
You (no, not you ;-) see what code has been executed during the snapshoot
... with FDDC before the core happens.
Similar to the dbxprof tool you might got from support in the past to look
whats going on if you have performance problems or have found a possible
loop.
The nettl subsystem only trace things what the developer though what is
worth to (in different classes, subsystems).
But I might be wrong and some other guys know it better.....
Kind regards
Oliver Bruchhaeuser
Tivoli NetView EMEA L2 Support
|---------+----------------------------->
| | Jane Curry |
| | <jane.curry@skills|
| | -1st.co.uk> |
| | Sent by: |
| | [email protected]|
| | s.ibm.com |
| | |
| | |
| | 27.11.2003 10:44 |
| | Please respond to |
| | nv-l |
| | |
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| To: nv-l AT lists.us.ibm DOT com
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| cc:
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| Subject: Re: [nv-l] 7.1.4 performance ?
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Many thanks, Oliver,
Does this mean that the nettl subsystem is now redundant? It still
seems to run as ever, although I almost never had cause to use it.
Cheers,
Jane
Oliver Bruchhaeuser wrote:
Jane,
I fear this isn't really interesting for the "normal" NetView user.
The created Autotrace packages are in binary format and you need a
special
viewer
and a code database for the traced product to view them.
It is only there for support. Preverably L3 support.
Nervertheless the atctl command reference for your curiousity ;-):
--------------------------
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Tel: +44 (0)1628 782565
Copyright (c) 2003 Jane Curry <jane.curry AT skills-1st.co DOT uk>. All rights
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