Oracle-L: RE: Row level security and latch waits

From: Mladen Gogala <mladen_at_wangtrading.com>
Date: Wed, 20 Aug 2003 07:21:36 -0800
Message-ID: <F001.005CBC26.20030820072136@fatcity.com>

What latches are you waiting on? Is the package/procedure which implements the security policy
kept in SGA (dbms_shared_pool.keep)?

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Mladen Gogala
Oracle DBA

-----Original Message-----

Jamadagni, Rajendra
Sent: Tuesday, August 19, 2003 11:49 AM
To: Multiple recipients of list ORACLE-L

sorry .... this is 9202 and little less than 100 users.

Raj

Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

-----Original Message-----

Sent: Tuesday, August 19, 2003 11:40 AM
To: Multiple recipients of list ORACLE-L

I've developped 3 functions for fined-grain access control and the users have tested them.
There are only 3-4 users in the acceptance env. and I did not noticed anything.

What version are you running and how many users ? We're on 8172

Someday it will go in production here...

Stephane Paquette

Administrateur de bases de donnees

Database Administrator

Standard Life

www.standardlife.ca

Tel. (514) 499-7999 7470 and (514) 925-7187

stephane.paquette_at_standardlife.ca

-----Original Message-----

Jamadagni, Rajendra
Sent: Tuesday, August 19, 2003 11:19 AM
To: Multiple recipients of list ORACLE-L

hi all,

in the latest code release, a group implemented RLS and since then spotlight is constantly flagging 'latch waits' in the system. Yesterday the latch waits were upwards of 90%.

Most active sessions seem to run the policy function defined as part of RLS. The worst part was all this wait was only on one node, the other node was healthy.

While we are trying to capture more information, anything else that we can do? Any ideas? TIA

Raj

Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

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--

Author: Mladen Gogala
INET: mladen_at_wangtrading.com

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