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Blog Posts

Database hang and Row Cache Lock concurrency troubleshooting

This post will help to analyze Oracle database instance slowdown that can happen due to considerable row cache lock (enqueue) wait events. It’s is based on a real case of a database hang that I worked on recently. I must admit this type of situation does not appear often but it’s very dangerous since it can considerably slow down a database instance or even freeze it for a short period of time. In most cases SQL against ASH view and Systemstate dumps can help to nail down the problem unless…

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Posted by Kirill Loifman on April 15, 2014 at 12:53am

Creating standby database fast and easy

1.PURPOSE AND SCOPE

With 11gR2 rman duplication its really easy to create standby database.

2.PRACTICE

Information

Primary Database SID: PRIM

Primary Database Domain/IP: ABSO

Standby Database SID: PRIM_SBY

Standby Database Domain/IP: CROO…

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Posted by Bugra Canbakal on April 3, 2014 at 10:30pm

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