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Silent Rollback From an Out-of-Place Patching For Oracle 19c GI
My last post dealt with how to do an out-of-place patching for Oracle GI (Grid Infrastructure). The next thing I wanted to try was the rollback procedure for this methodology. I searched in MOS (My Oracle Support) and the Oracle... Read More >Where in a Modern Data Platform Should You Process Your Data?
Data warehouse or data lake? We break down the pros and cons of each In the book Designing Cloud Data Platforms, separating storage from compute is a key tenet of a layered cloud data platform design. It brings scalability, cost…
Read More >Silent Out-of-Place Patching For Oracle 19c GI
I am going through a process of patching an Oracle Grid Infrastructure (GI) from 19.6 to 19.8 (Patch 31305339) and I wanted to try out-of-place patching (OOP). Since I didn't have access to the GUI (graphical user interface) environment, I... Read More >Reducing Contention on Hot Cursor Objects (Cursor: Pin S)
First, let me offer a little explanation about the wait event “cursor: pin S.” Oracle states: “A session waits on this event when it wants to update a shared mutex pin and another session is currently in the process of…
Read More >OPatchAuto Bug on 19.3 GI/RDBMS When Patching to 19.6
The other day I was doing a fresh install of Oracle 19.3. I was using the binaries from edelivery, doing some testing in that version, then patching to 19.6. The installation and the tests went fine. Next, I proceeded to... Read More >How to Overcome the Top 10 SQL Server Performance Challenges
Working with consulting clients is rewarding, interesting, and challenging. In discussion with some of my colleagues, I’ve noticed the same performance challenges come up over and over again across clients with completely different hardware, industry verticals, levels of staff seniority,…
Read More >EM 13c: Patching Oracle Enterprise Manager With Release 4 Update 6 (13.4.0.6)
Once I had done this, I created a property file to be used during the patching activities so I wouldn’t have to input the Weblogic information over and over. The next step was to analyze whether this patch was applicable…
Read More >How to Enable RAM Cache in Oracle Exadata
A brief background on RAM cache or in-memory OLTP acceleration In this post I will present a feature — to simplify let’s call it RAM cache — introduced in Oracle Exadata Storage Server image 18.1. You’ve probably heard a lot…
Read More >Resolving Error ORA-28353: Failed to Open Wallet
Full disclosure: this is a post I've had in draft mode for almost one and a half years. I noticed the original error after applying the October 2018 bundle patch (BP) for 11.2.0.4. While I realize most clients are no... Read More >Management and Troubleshooting Features: Data Guard Command-Line Interface (DGMGRL) 19c
With Oracle Data Guard promising high availability, data protection and disaster recovery for enterprise data, it’s useful to understand the Data Guard command-line interface (DGMGRL) which enables you to control and monitor a Data Guard configuration from the DGMGRL prompt…
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