 | | | Subject: Re: How to map a client program to a Resource Manager consumer group | Subject: Re: How to map a client program to a Resource Manager consumer group 2007-11-01 - By fairlie rego
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Hi Tony,
I have attached a sample script in a separate email. The script creates a
plan and consumer groups.
One of the sites I am working on has had limited success with RM.
There have been a couple of times it has bailed us out but on more
than one occassion we have had sessions stuck in resmgr: cpu quantum
even when the CPU on the box is at 50% idle.
I spent a day with the RM development team in San Fran last month
identifying issues in the product. Unfortunately most of these I believe are
unpublished.
The feature in RM to throttle sessions works fine.
There are times when RM does not kick in even when load is nearing 100%
Also RM also does not function properly on machines with more than 8 cpus.
Thanks
Fairlie
Tony van Lingen <tony.vanlingen@(protected)> wrote:
Fairlie,
That's not encouraging. I did do some digging on Metalink and Google,
but the only bugs I was able to find related to problems with mapping
priorities. Can you give me an idea of the bugs that you found? Are they
so bad that you would not use RM in a production environment at all?
What do other people think about this?
Cheers,
Tony
fairlie rego wrote:
> I second Peter's comment and I can give you umpteen number of bugs
> which I have logged and know of in the RM subject area and I seriously
> doubt whether 11g has fixed many of them
>
> Thanks
> Fairlie
>
> */Peter McLarty
/* wrote:
>
> Hi Tony
> From a conversation I had with a guy from Oracle a few months
> back, you are probably seeing a few bugs with resource manager.
>
> He suggested anyone who really wanted to get stuff working to use 11g
>
> Apparently there are a few gremlins there
>
> Cheers
>
> Peter
>
> -- --Original Message-- --
> From: Tony van Lingen [mailto:tony.vanlingen@(protected)]
> Sent: Wed 10/31/2007 10:30 AM
> To: oracle-l@(protected)
> Subject: Re: How to map a client program to a Resource Manager
> consumer group
>
> Morning List.
>
> Hmm, not a single answer... does that mean that nobody actually
> uses the
> resource manager? What is good practice here.. If you use the
> resource
> manager at all, how do you map user sessions to consumer groups?
> Is it
> even advisable to use CLIENT_PROGRAM?
>
> All suggestions welcome.
>
> Cheers.
> Tony
>
>
> *Fairlie Rego
> *Senior Oracle Consultant
> http://el-caro.blogspot.com/
> M: +61 402 792 405
>
>
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Fairlie Rego
Senior Oracle Consultant
http://el-caro.blogspot.com/
M: +61 402 792 405
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<div>Hi Tony,</div> <div> </div> <div>I have attached a sample script in
a separate email. The script creates a plan and consumer groups.</div> <div>
<BR>One of the sites I am working on has had limited success with RM.<BR>There
have been a couple of times it has bailed us out but on more<BR>than one
occassion we have had sessions stuck in resmgr: cpu quantum<BR>even when the
CPU on the box is at 50% idle.<BR></div> <div>I spent a day with the RM
development team in San Fran last month<BR>identifying issues in the product.
Unfortunately most of these I believe are unpublished.</div> <div> </div>
<div>The feature in RM to throttle sessions works fine.<BR>There are times
when RM does not kick in even when load is nearing 100%<BR>Also RM also does
not function properly on machines with more than 8 cpus.</div> <div> <
/div> <div>Thanks<BR>Fairlie<BR><BR><B><I>Tony van Lingen <tony.vanlingen
@(protected)></I></B> wrote:</div> <BLOCKQUOTE
class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff
2px solid">Fairlie,<BR><BR>That's not encouraging. I did do some digging on
Metalink and Google, <BR>but the only bugs I was able to find related to
problems with mapping <BR>priorities. Can you give me an idea of the bugs that
you found? Are they <BR>so bad that you would not use RM in a production
environment at all? <BR>What do other people think about this?<BR><BR>Cheers,
<BR>Tony<BR><BR>fairlie rego wrote:<BR>> I second Peter's comment and I can
give you umpteen number of bugs <BR>> which I have logged and know of in the
RM subject area and I seriously <BR>> doubt whether 11g has fixed many of
them<BR>> <BR>> Thanks<BR>> Fairlie<BR>><BR>> */Peter McLarty <P
.MCLARTY@(protected)>/* wrote:<BR>><BR>> Hi Tony<BR>> From a
conversation I had with a guy from Oracle a few months<BR>> back, you are
probably seeing a few bugs with resource manager.<BR>><BR>> He
suggested anyone who really wanted to get stuff working to use 11g<BR>><BR>
> Apparently there are a few gremlins there<BR>><BR>> Cheers<BR>><BR
>> Peter<BR>><BR>> -- --Original Message-- --<BR>> From: Tony van
Lingen [mailto:tony.vanlingen@(protected)]<BR>> Sent: Wed 10/31/2007 10
:30 AM<BR>> To: oracle-l@(protected)<BR>> Subject: Re: How to map a
client program to a Resource Manager<BR>> consumer group<BR>><BR>>
Morning List.<BR>><BR>> Hmm, not a single answer... does that mean that
nobody actually<BR>> uses the<BR>> resource manager? What is good
practice here.. If you use the<BR>> resource<BR>> manager at all, how do
you map user sessions to consumer groups?<BR>> Is it<BR>> even advisable
to use CLIENT_PROGRAM?<BR>><BR>> All suggestions welcome.<BR>><BR>>
Cheers.<BR>> Tony<BR>><BR>><BR>> *Fairlie Rego<BR>> *Senior
Oracle Consultant<BR>>
http://el-caro.blogspot.com/<BR>> M: +61 402 792 405<BR>> <BR>><BR>
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----<BR
><BR><BR>__ ____ ____ ____ ____ ____<BR>Disclaimer<BR><BR>WARNING: This e-mail
(including any attachments) has originated from a Queensland Government
department and may contain information that is confidential, private, or
covered by legal professional privilege, and may be protected by copyright. <BR
><BR>You may use this e-mail only if you are the person(s) it was intended to be
sent to and if you use it in an authorised way. No one is allowed to use,
review, alter, transmit, disclose, distribute, print or copy this e-mail
without appropriate authority. If you have received this e-mail in error,
please inform the sender immediately by phone or e-mail and delete this e-mail,
including any copies, from your computer system network and destroy any
hardcopies.<BR><BR>Unless otherwise stated, this e-mail represents the
views of the sender and not the views of the Environmental Protection Agency.
<BR><BR>Although this e-mail has been checked for the presence of computer
viruses, the Environmental Protection Agency provides no warranty that all
viruses have been detected and cleaned. Any use of this e-mail could harm your
computer system. It is your responsibility to ensure that this e-mail does not
contain and is not affected by computer viruses, defects or interference by
third parties or replication problems (including incompatibility with your
computer system).<BR><BR>E-mails sent to and from the Environmental Protection
Agency will be electronically stored, managed and may be audited, in accordance
with the law and Queensland Government Information Standards (IS31, IS38, IS40,
IS41 and IS42) to the extent they are consistent with the law.<BR><BR>__ ______
__ ____ ____ _____<BR><BR>--<BR>http://www.freelists.org/webpage/oracle-l<BR><BR
><BR></BLOCKQUOTE><BR><BR><BR><DIV> <DIV> <DIV>
<DIV> <DIV> <DIV><STRONG>Fairlie Rego<BR></STRONG>Senior Oracle Consultant<
/DIV> <DIV><FONT face="comic sans ms"><A href="http://el-caro.blogspot.com/"
>http://el-caro.blogspot.com/</A></FONT></DIV> <DIV><FONT face="Comic Sans MS"
>M: +61 402 792 405</FONT></DIV> <DIV> </DIV></DIV></DIV></DIV></DIV></DIV
><p> 
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