Experiments from the Field..Based on True Stories
Archives
2009.04.21:
RMAN puzzle: database reincarnation is not in sync with catalog
2008.12.16:
10g optimizer case study: Runtime Execution issues with View merging
2008.11.26:
The Cluster said: "I forbid you to migrate SYSTEM tablespace to local"
2008.11.23:
Deleting statistics or/and dropping indexes on Global temporary tables can help too
2008.11.23:
Out Of Time? - Use The Shotgun or Reboot..
2008.06.07:
The CIO asked: How long has my production database been down?
2008.06.07:
Yet another External XML parse error: for BATCH CLOSE processing of IBYSCHEDULER module .. this time
2008.06.05:
Vrroom! Go (Con)Figure : Speeding up the model preloading in configurator...
2008.06.02:
The right combination of options to trace configurator servlet..
2008.05.31:
So you thought you upgraded your OLAP database to 10g..
2008.05.24:
Time saving tactic: How we saved 6 hrs of downtime in production 10g upgrade
2008.05.23:
puzzling RMAN: No channel to restore a backup or copy of datafile?
2008.05.19:
10gR2 CRS case study: CRS would not start after reboot - stuck at /etc/init.d/init.cssd startcheck
2008.05.01:
Considerations for virtual IP setup before doing the 10gR2 CRS install
2008.04.17:
crsctl start crs does not work in 10gR2
2008.03.10:
Troubleshooting done to make root.sh work after a 10gR2 CRS (10.2.0.1) installation on HP-UX PA RISC 64-bit OS
2008.03.08:
Troubleshooting case study for 9i RAC ..PRKC-1021 : Problem in the clusterware
2008.03.01:
Workflow performance case study: Dont Repeat History, Learn from it
2008.03.01:
When Conventional Thinking Fails: A Performance Case Study in Order Management Workflow customization
2008.03.01:
A SQL Tuning Case Study: Could we K.I.S.S. Please?
2008.03.01:
An Application Tuning Case Study: The Deadly Deadlock
2008.03.01:
Yet Another Case Study: The over-commit trap!
2008.03.01:
A tuning case study: The goofy optimizer (9i.x RDBMS )
2008.03.01:
Case study: How to leverage +LargePages option of J2SE1.5 on Linux hugemem kernel for 11i Oracle Applications java servlet based modules
2008.03.01:
Redhat Linux Kernels and process space limits using Java.. Some eye-openers
2008.03.01:
Common Incorrect beliefs about process address limits on 32bit platforms
2008.02.15:
Misleading adcfgclone.pl ERROR: OUI files not found at their expected location...please make sure that the pre-requisite OUI patch was applied correctly...
2008.01.17:
Java memory leak in XML Parser 2.0.2.9 leads to thousands of workflow notification emails with ORA-29532: Java call terminated by uncaught Java exception: java.lang.NullPointerException
2008.01.15:
11i Post cloning issues: APPSLOCALLOGIN.JSP gives JAVA.LANG.NOCLASSDEFFOUNDERROR - how is it related to JTF Distributed caching..
2008.01.15:
What is the Java cache feature: Framework, Features, Administration and How does it tie up with Workflow Business Event System (BES)
2008.01.14:
Ugly ORA-7445 or Signal 11 errors while using utl_http APIs?
2008.01.14:
Quick script for comparing two init.ora files
2008.01.08:
Reducing time on txkWfClone.sh while running Autoconfig
2008.01.08:
Running Autoconfig in Test mode - Useful for Making 11i Rapid Clones faster..
2007.11.12:
Accrue Economically: Don't recalculate what you don't need
2007.09.19:
Reducing KGL latch contention while querying v$ internal views in 9.2.x RDBMS
2007.09.14:
Quick script for searching patch timings from command line..
2007.09.06:
Do I need permission to make ssh keys work?
2007.09.05:
Setting titles on Xterm windows
2007.08.07:
When adcustomizer.sh may not work..
2007.06.30:
Troubleshooting: How block corruption of Workflow tables can cause Self Service Login not to work
2007.06.17:
For the want of XML parsing, iPayment was lost; for the want of not being able to take payment, business was lost..
2007.06.16:
A Bird eye's view of the process tree in linux
2007.06.11:
Workflow performance case study: Dont Repeat History, Learn from it
2007.05.17:
When Conventional Thinking Fails: A Performance Case Study in Order Management Workflow customization
2007.04.28:
Seeing the advantage of using Hugemem and Hugepages with JDK1.5, Good bye JDK1.4
2007.04.23:
Mining useful monitoring/troubleshooting information from Oracle Configurator (CZ) logs
2007.04.20:
Performance issue with "Retry Activities in Error" concurrent program (delivered in patch 5248424 - Order Management Exception Management (11.5.9)
2007.03.27:
We're Skewed! Using 10053 event for being Histogram-wise
2007.03.21:
A Performance Case Study: Taming the Workflow Purge
2007.03.17:
How to Detect Data Corruption and Purge More Eligible OEOH/OEOL Workflow Items for Order Management Workflow
2007.03.17:
Lesser known method of mass retrying ERRORed workflow items through Oracle Applications Manager
2007.03.12:
Best Practices For Custom Order Entry Workflow Design
2007.02.17:
A SQL Tuning Case Study: Could we K.I.S.S. Please?
2007.02.05:
An Application Tuning Case Study: The Deadly Deadlock
2007.01.23:
Yet Another Case Study: The over-commit trap!
2007.01.22:
A tuning case study: The goofy optimizer (9i.x RDBMS)
2007.01.14:
Case study: How to leverage +LargePages option of J2SE1.5 on Linux hugemem kernel for 11i Oracle Applications java servlet based modules
2007.01.12:
Common Incorrect beliefs about process address limits on 32bit platforms
2007.01.12:
Redhat Linux Kernels and process space limits using Java.. Some eye-openers
2007.01.11:
Offering Salutation to the Spirit of Knowledge and self-realization
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RMAN puzzle: database reincarnation is not in sync with catalog
10g optimizer case study: Runtime Execution issues with View merging
The Cluster said: "I forbid you to migrate SYSTEM tablespace to local"
Deleting statistics or/and dropping indexes on Global temporary tables can help too
Out Of Time? - Use The Shotgun or Reboot..
The CIO asked: How long has my production database been down?
Yet another External XML parse error: for BATCH CLOSE processing of IBYSCHEDULER module .. this time
Vrroom! Go (Con)Figure : Speeding up the model preloading in configurator...
The right combination of options to trace configurator servlet..
So you thought you upgraded your OLAP database to 10g..
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