This post covers overview of Oracle Directory Service Manager (ODSM) , new tool to manager Oracle Internet Directory (OID) and Oracle Virtual Directory (OVD)
JNDI - Java Naming and Directory Interface
LDAP - Lightweight Directory Access Protocol
ODM  - Oracle Directory Manager (10g OID)
ODSM- Oracle Directory Services Manager (11g OID)
OID  - Oracle Internet Directory
OVD  - Oracle Virtual Directory
WLST- […]

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Today’s post is from one of our Apps DBA training exercise (more information on our online Apps DBA training [699 USD] here   ) related to Concurrent Manager.
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How to check if Concurrent Manager is Up and running ?
Login as user with System Administrator responsibility. Under Concurrent : Manager click on Administer (Actual should be equal to Target)
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How […]

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mod_wl_ohs: is a module in Oracle HTTP Server 11g R1 which allows requests to be proxied from Oracle HTTP Server (OHS) to Oracle WebLogic Server.
mod_weblogic: This module is part of Apache HTTP Server and allows requests to be proxied from Apache HTTP Server to Oracle WebLogic Server.
For difference between mod_wl_ohs and mod_weblogic click here
Things good to know about configuring OHS infront of […]

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Last month I discussed 11g Identity Management (OID, DIP, OVD and OIF) installation here , today’s post covers issues encountered during 11g OID/OVD installation on Linux.
1.  Set hard file and soft file limit to at-least 4096 for user installing 11g Identity Management (OID)

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/etc/security/limits.conf
<os_user> hard nofile 4096
<os_user> soft nofile 4096
If O.S. user installing 11g Identity Management is […]

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AD4J - Application Diagnostics for Java
JADE - Java Application Diagnostics Expert
Application Diagnostics for Java (AD4J aka JADE - Java Application Diagnostics Expert) is lightweight application to diagnose performance issues in Java Applications (including Database Tier)
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AD4J Architecture
1. AD4J Console : is web based console to setup/monitor performance of Java Virtual Machine (JVM) including Database.
AD4J Console listen […]

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 Today’s post is little different from my other posts as I need your help to identify right diagnostic tool for performance issues in Oracle Fusion Middleware (10g & 11g).
Issue : My client is using Oracle Fusion Middleware; 10g R2 (Portal/SSO/OID), 10g R3 (custom J2EE application) and 11g R1 (SOA on WebLogic). Application response time is acceptable for approx. 200 concurrent users […]

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Oracle Instance - Oracle Instance contains one or more system components *( HTTP Server, WebCache, Oracle Internet Directory). Oracle Instance Directory contains updatable files like configuration files, log files. Oracle Instance directory is different from Oracle Home Directory and can reside inside or outside Middleware Home.
WebLogic Server- is J2EE application Server in Fusion Middleware 11g.
OPMN- […]

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