An interesting post from Enkitec

I have found one more exciting video from Tanel Poder: ORA-4031, shared pool hacking session

Using a storage simulator on Oracle VM

Using a storage simulator on Oracle VM Several times system administrators want to review how to configure Weblogic installations on shared storages to implement high availability architectures, but the lack...

JDBC connection leak

JDBC Connection leaks – Generation and Detection [BEA-001153] Introduction Some weeks ago an article about memory leak problems in JVM was posted. Now, it is time to talk about another...

HCC compression with DIRECT INSERT and without it

I was invited to test a compression on ZFS storage when datafiles were placed on dnfs. And now I can prove, that the percent of compression really depends on the...

JVM memory leak

Using Oracle Cloud Control 12C to Analyse a Memory Leak Problem 1. Introduction The aim of this post is to use the Oracle Cloud Control 12C to find the root...

DB locking issue

Oracle database - analyzing a deadlock [ORA-00060] As a weblogic administrator the interaction among the application server and the database is often strong. In fact, according to Confio Software (2013)...

DB Adapter - Native sequencing, SequencePreallocationSize

Here are some DB adapter tips regarding use of native sequencing. In cases where you want to use the database adapter for inserts, you may want to use native sequencing...