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Topic: This post introduces the latest changes to OraLatencyMap and PyLatencyMap, two custom tools for collecting and displaying Oracle wai...

Topic: This post is about a performance analysis technique based on high frequency sampling of wait event history data in Oracle. Two scrip...

Topic: This post is about exploring the mechanisms used by Oracle Clusterware 12.1.0.1 to restrict remote service registration, i.e. the 12...

Topic:  This post describes a few tips and techniques on how to recover ASM files from a dropped disk group and an example of how to 'un...

I am looking forward to participating again to the  UKOUG annual conference . This year I will present together with my colleague Marcin Bla...

Topic: this article is about a tip for Oracle 11.2 and higher on how to handle DST change when querying directly the AWR repository. In add...

Topic: this is a getting-started article for  PyLatencyMap , a performance tool for real-time investigation and troubleshooting of latency ...

Topic: this post is about PyLatencyMap, a performance-oriented tool I have written for command-line drill down of latency data, integrating...

DTrace is a great tool to measure and investigate latency for performance troubleshooting. DTrace is now coming to the Linux platform too a...

Topic: OraLatencyMap v1.1 is an updated versions of a performance tool aimed at collecting and displaying Oracle wait event histogram data a...