RE: Fun with WAIT Event "library cache: mutex X"
- From: "Taylor, Chris David" <ChrisDavid.Taylor@xxxxxxxxxxxxxxx>
- To: 'Herring Dave - dherri' <Dave.Herring@xxxxxxxxxx>, "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 9 Dec 2011 09:09:42 -0600
I'll take a look at that.
Thanks,
Chris Taylor
Sr. Oracle DBA
Ingram Barge Company
Nashville, TN 37205
"Quality is never an accident; it is always the result of intelligent effort."
-- John Ruskin (English Writer 1819-1900)
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-----Original Message-----
From: Herring Dave - dherri [mailto:Dave.Herring@xxxxxxxxxx]
Sent: Friday, December 09, 2011 8:58 AM
To: Taylor, Chris David; 'oracle-l@xxxxxxxxxxxxx'
Subject: RE: Fun with WAIT Event "library cache: mutex X"
On the much less important point you made about " It is only *4 GIGABYTES*.
I'm getting about 170k download speed on my work network so......", are you
usin wget? I found speeds much faster using this, plus it allows direct
download to my server instead of going to PC, then PC to server. It also
appears to be only available through the flash version of MOS.
DAVID HERRING
DBA
Acxiom Corporation
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TEL 630.944.4762
MBL 630.430.5988
1501 Opus Pl, Downers Grove, IL 60515, USA WWW.ACXIOM.COM
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-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Taylor, Chris David
Sent: Thursday, December 08, 2011 10:46 AM
To: 'oracle-l@xxxxxxxxxxxxx'
Subject: Fun with WAIT Event "library cache: mutex X"
I'm running 11.2.0.2 Patch 10 on Windows x64 and I have a pl/sql procedure that
is rather simple, but kept erroring out after some time with an out memory
condition.
So, I decided to look and see what it is doing and it is encountering the
"library cache: mutex X" event.
Browing Oracle Support, I found the note about it and it says:
* "P3 = "where" = location in code (internal identifier) where mutex is
being waited for
@The meaning of the code for "where" can be found by looking in kgl0.h for
entries with the prefix ""kglml_XXX". For example, if P3=2, then it
corresponds to "kglml_kglget2". You can then search source code for this
symbol to see where the mutex is acquired.
Well, that's not very helpful to me since I don't have access to the source
code :) I understand that the engineers can use it.
Long story short, I decided to download the 11.2.0.3 patchset.
It is only *4 GIGABYTES*. I'm getting about 170k download speed on my work
network so......
Chris Taylor
Sr. Oracle DBA
Ingram Barge Company
Nashville, TN 37205
"Quality is never an accident; it is always the result of intelligent effort."
-- John Ruskin (English Writer 1819-1900)
CONFIDENTIALITY NOTICE: This e-mail and any attachments are confidential and
may also be privileged. If you are not the named recipient, please notify the
sender immediately and delete the contents of this message without disclosing
the contents to anyone, using them for any purpose, or storing or copying the
information on any medium.
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