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Middleware Diagnostics Advisor (MDA) Setup

One of the areas I’ve been exploring recently is the setup and use of the Middleware Diagnostics Advisor, more commonly known as MDA. MDA is an advisor in EM12c that analyzes the entire stack and provides diagnostic findings by identifying root causes for any problems it discovers. It correlates and analyzes the input and offers advice on how to resolve the problem. For example, it can help you identify that slow SQL statements or a JDBC connection pool is causing a performance bottleneck. As described in the documentation, MDA is currently supported for Oracle WebLogic Server 10g Release 3 (10.3) and higher. MDA monitors JDBC DataSources, EJBs, and JMS Queues.

Creating a Trace File from EM12

Creating a trace file from EM12c is quite easy and doesn’t require a DBA offering up the world to allow a developer or support person to perform this action.

Real Application Testing report On Premise vs. Oracle Public Cloud

Just a quick post today as I wanted to highlight a video that has been made available by one of my colleagues, Valentin Tabacaru. Valentin is a sales consultant based out of one of our Spanish offices. The
YouTube video shows a SQL Performance Analyzer execution and report generation using real world workload testing between On Premise Oracle 11gR2 Database and Oracle Public Cloud 12c Pluggable Database Service. Both environments are managed using EM12c providing a single pane of glass to both monitor and manage the environments. The video lasts a shade under 24 minutes, so go and grab yourself a coffee, sit back and enjoy!

Upcoming Raspberry Pi Family Coding Day Project

I’ve had a lot of people email and message me asking me what I’m doing with the Raspberry Pi and I wanted to share before the actual RMOUG Quarterly Education Workshop, (QEW) this Friday at Elitches.

Consolidation Planning

More and more companies are consolidating environments.  Server sprawl has a high cost to any business and finding ways to consolidate to more powerful servers or to the cloud is a productive undertaking for any company.

The Consolidation planner in Enterprise Manager has been around for quite some time, but many still don’t utilize this great feature.

Snap Clone on Exadata

Recently I created a new screenwatch that walks you through the new features of Snap Clone on Exadata in Enterprise Manager 12c version 12.1.0.5. The screenwatch walked through using Snap Clone on Exadata, both from a multi-tenant architecture perspective and a standard non container database perspective. Unfortunately, putting both together meant the resultant video was around 20 minutes long.

Generally, we try to make our screenwatches shorter than that, as the evidence tends to show people lose concentration and interest if the screenwatches are that long. So we decided to split the screenwatch in two. One part would be for vanilla Snap Clone on Exadata, and the other was for Snap Clone Multitenant on Exadata.

Zero Data Loss Recovery Appliance with EM12c, (ZDLRA)

I had a chance to take a closer look at the Zero Data Loss Recovery Appliance, (ZDLRA) via Cloud Control today and really liked the dashboard that’s included in the plugin for the product.  This post isn’t going to cover the installation of the plugin or configuration-  I was just intrigued by the dashboard and wanted to go over the great features that are part of it.

A First Technical Look At Hybrid Cloning in EM12c Release 5

The sales, support and technical teams were brought into the Denver Tech Center office to do some advanced training in Hybrid Cloud.  There were many take-aways from the days we spent in the office, (which is saying a lot-  most of you likely know how much I hate working anywhere but from home… :)) and I thought I would share a bit of this information with those th

12.1.0.5 Hybrid Cloud Cloning

Last week’s release of 12.1.0.5 was a pleasant surprise for everyone out in the Oracle world.  This release hit the bulls-eye for another cloud target of Oracle’s, announcing the introduction of Enterprise Manager 12c’s offering a single pane of glass management of the hybrid cloud.