Storage

Can I cleanup the previous Patch Bundles with opatch?

Posted on January 21, 2022 by Best Practice Patch Recommendation 36

Today I will step on mined territory. Can I cleanup the previous Patch Bundles with opatch?  Or can I just wipe out the old ones? That is a question which will bring people with temper quickly close to explosion. But let me start step by step, especially for those of you who aren’t familiar with this topic.

Can I cleanup the previous Patch Bundles with opatch?

The secret directories

You  L O V E  secrets, don’t you? No? Well … then let me start with a secret which isn’t a secret to most people making it even more obscure.

When you install a patch with opatch or opatchauto, …

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How to speed up Multitenant CUSTOM database creation

Posted on November 13, 2018 by Single-/Multitenant 0

Why has the PDB$SEED such a strange setup?I usually create my container databases for testing with the CUSTOM option of DBCA. That allows me to specify exactly the components I’d like to have – or not. But I realized two things during the CUSTOM creation: It takes very long. And in the alert.log I see resize operations especially with the PDB$SEED during dictionary view creation. I see heap warnings. And recompilations. I did ask myself how to speed up Multitenant CUSTOM database creation.

Background Information

The PDB$SEED is the – I call it – “blueprint” pluggable database. It’s sole purpose is to allow you fast provisioning of …

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Mike Dietrich
Oracle Senior Director of Product Manager for Database Upgrade, Migrations and Patching writing just another blog.

Opinions certainly are my own as is this page.

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