Category: Oracle

OEM 13c, Oracle, Security

OEM13c Roles and AD Groups

Managing OEM13c Roles and AD Groups. In my last post, we explored how to enable LDAP (using Windows Active Directory) authentication within OEM 13c. Now that we can centrally manage basic user access to OEM, we need to apply some security constraints around these users.   If you are familiar with Active Directory (AD), then …

Configuration, LDAP, OEM, OEM 13c, Oracle

OEM 13c and LDAP Authentication

Using LDAP to provide Oracle Enterprise Manager authentication was quite an interesting task. The biggest challenge was finding resources that did a decent job of mapping the elements of an LDAP tree to where Enterprise Manager needed them. I could find stuff about LDAP and then stuff about OEM, but never together in a way …

Kscope16, Oracle

#KScope16 Blog Hop: EPM Sessions Not To Miss

Kscope 16 EPM Sessions You Don’t Want To Miss. It’s that time of year again. #Kscope16 is upon us and there are so many excellent sessions it will be tough to make it to everything I want to attend. Therefore this year, being someone who’s aligned with the Traditional side which includes APEX, Database and …

TimesTen

TimesTen: Parallel Thread Reads from Checkpoint Files – More is not always better

I wanted to get around to to some performance improvements with Oracle TimesTen Database. As you know, the Oracle TimesTen database creates a checkpoint file for persistence of the In-Memory database. In the event you need to load the database into memory, depending upon the size of the checkpoint, this can take some time. In …

TimesTen

TimesTen: Failed to retrieve IP address of the system

In my quest to understand TimesTen a bit more, I built a VM with VirtualBox, OL 6.5, and TimesTen 11.2.2. I verified that I could connect to TimesTen from the VM instance, but when I tried to connect to the TimesTen database from my host (MacBook Pro), I received the following error:

I even tried …

Oracle, TimesTen

Oracle TimesTen not using Large Pages

 Oracle TimesTen Database, was not using Huge/Large pages. Well at least when I executed a ttStatus command, I saw the following: Shared Memory KEY 0x0c0504dd ID 1838710795 (LOCKED) when I expected to see Shared Memory KEY 0x0c0504dd ID 1838710795 (Large Pages,LOCKED)

My ttendaemon.options file was configured correctly (see snippet below): -linuxLargePageAlignment 2

Memory …

Oracle, SQLDev, TimesTen

SQL Developer with Oracle TimesTen ttStats

I’ve had the opportunity to work on with the TimesTen database on the Oracle Exalytics platform, and once again I got to use my favorite tool to make life so much easier. If you’ve ever used TimesTen, then the ttIsql command line should be familiar to you. In this post, I’ll show you how to …

Data Integration, GoldenGate, Oracle, Virtual Box

Create Wallet causes Segmentation Fault in Oracle GoldenGate12c and VBox5

Today’s blog will be quick. I’m operating in the following environment: Oracle Virtual Box 5.0.12 MacBook Pro (Retina, 15-inch, Mid 2014) Processor: 2.2 GHz Intel Core i7 Oracle 12c Oracle GoldenGate 12c A few weeks ago I attempted to create a wallet in Oracle GoldenGate and got this: GGSCI (trg.localdomain) 1> create wallet Source Context : …

Database, Oracle, Perl, Virtual Box

Oracle DB12c / OL7 / VBox 5 – Perl Segmentation Fault

Back on August 22, 2015, I wrote a post about some challenges I was experiencing while trying to install Oracle DB12c on Linux 7 using VirtualBox 5.x. You can read that here. Since then, I have had the opportunity to work with Simon Coter, Principal Product Manager for Oracle VM and VirtualBox to get to …