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Enterprise Manager Feed

Oracle Enterprise Manager (OEM) and Oracle Enterprise Manager Ops Center resources, news, and support articles.

The case for Snap Clone over point tools

Today, I stumbled over a competitor blog, conspicuous by its factual incorrectness on Enterprise Manager Snap Clone.

Quickly Diagnose the Root Cause of Stuck Threads using Oracle Enterprise Manager 12c JVM Diagnostics

One of the hidden gems in Oracle Enterprise Manager 12c is JVM Diagnostics. If you purchased the Weblogic Management Pack license then you already own it. JVMD allows administrators to diagnose performance problems in production Java applications. 
Please checkout this interesting post on Oracle’s Blog on Enterprise Manager, written by Shiraz Kanga
 

Google Doodle – Rubik’s Cube

This is just one of those posts that have nothing to do with databases.
 
Today’s Google Doodle is a working Rubik’s Cube to celebrate the 40th anniversary of this device. Like millions of others, I had one of these when I was growing up. I learned early on how to break them apart so that you could put the blocks back together and have a completed puzzle. But eventually I figured out how to solve it. We used to have races between class mates back in the day.

Tuning SQL

Not that long ago, I gave a tutorial on Explain Plan to our application development staff. One question that came up was how do I go about deciding which SQL statements need tuning? I use a few different approaches and find SQL tuning candidates from different angles.
 

Updated WP

Today I updated WordPress that I use for this blog. The upgrade started when I initially upgraded the theme used for presentation. But the theme upgrade broke my blog. So I used a different theme for a short period of time. I then upgraded the WP software and was finally able to use the upgraded … Continue reading »

EM12c: Unable to delete Database System target successfully

Problem: Tried removing Database System target from UI, but it fails with following error in emoms.trc : 2014-04-23 17:06:28,234 [EMUI_17_06_28_/console/rac/conf/racTargetDelete] ERROR svlt.PageHandler handleRequest.674 - java.lang.IndexOutOfBoundsException: Index: 1, Size: 0java.lang.IndexOutOfBoundsException: Index: 1, Size: 0    at java.util.ArrayList.get(ArrayList.java:352)

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