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Vacatures bij AMIS services

Review: The Method-R Profiler

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1 year ago
by Marco Gralike in ,

I was lucky enough to get my hands on the Method-R Profiler and had a test drive with it. So first of all what is it? As you might expect a profiler, a profiler for Oracle performance problems. The tool makes use of Oracle’s trace facilities. If you have a performance problem with the database or a specific issue in you code, you are able to set a specific part of your code, or if must be, the whole database in trace mode. The database will write the output of your trace to the UDUMP, user dump, destination or in the trace directory of your database diagnostic section on the database server, depending on your database version.

Consistent Analysis

Pete Finnigan has a nice post about how you can achieve this called “How to set trace for others sessions, for your own session and at instance level“. As also is mentioned in this post, the Oracle TKPROF tool can be used to analyze the generated trace files. One of the disadvantages, IMHO, is that if you give such a TKPROF generated report to, lets say 10 Oracle (DBA) performance interested people, you will get afterwards 10 different analyses regarding what is reported in those reports. This is, among others, also caused by the fact More >

SIG Event

Bloom Filters, Hierarchical Profiling, Synopses & One pass distinct sampling, jumping the GAPP … – feast for DBAs (considered harmful..)

4 years ago
by Lucas Jellema in , , , , , , ,

 

It’s Monday night and a select company of DBAs and Database developers have gathered at AMIS HQ in Nieuwegein for the ‘Looking Back at Hotsos 2009′ session. It is one of those sessions that has a lot of energy, laughter and a wealth of serious content. Four very experienced speakers relate their best experiences and most important learning points from the Hotsos conference. And the audience is allowed to participate. Speakers are Marco Gralike, Toon Koppelaars, Gerwin Hendriksen and Jeroen Evers.

The evening brings us – apart from a quite good dinner – interesting topics such as Bloom Filters, Hierarchical Profiling,..

(note: the text in the title between parentheses are for insiders only)

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