Oracle Database In-Memory
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Christian Antognini presented on Oracle Database In-Memory at the 2015 DOAG conference in Nuremberg, Germany. He is a senior principal consultant, trainer, and partner at Trivadis, where he focuses on getting the most out of Oracle Database through logical and physical design, query optimization, and application performance management. The presentation provided an overview of Oracle Database In-Memory architecture, demonstrated its performance improvements through several scripts and videos, and noted that while speed ups can be significant, some scenarios may see reduced performance and there are limiting factors to consider.
Oracle Database In-Memory
- 1. BASLE BERN BRUGG DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. GENEVA HAMBURG COPENHAGEN LAUSANNE MUNICH STUTTGART VIENNA ZURICH Oracle Database In-Memory DOAG 2015 Konferenz Nürnberg (D), 18 November 2015 Christian Antognini
- 2. @ChrisAntognini Oracle Database In-Memory2 10/11/2015 Senior principal consultant, trainer and partner at Trivadis [email protected] http://antognini.ch Focus: get the most out of Oracle Database Logical and physical database design Query optimizer Application performance management Author of Troubleshooting Oracle Performance (Apress, 2008/14) OakTable Network, Oracle ACE Director
- 3. Our Company Oracle Database In-Memory3 10/11/2015 Trivadis is a market leader in IT consulting, system integration, solution engineering and the provision of IT services focusing on and technologies in Switzerland, Germany, Austria and Denmark. We offer our services in the following strategic business fields: O P E R A T I O N
- 4. COPENHAGEN MUNICH LAUSANNE BERN ZURICH BRUGG GENEVA HAMBURG DÜSSELDORF FRANKFURT STUTTGART FREIBURG BASEL VIENNA With over 600 Specialists and IT Experts in Your Region Oracle Database In-Memory4 10/11/2015 14 Trivadis branches and more than 600 employees 200 Service Level Agreements Over 4,000 training participants Research and development budget: CHF 5.0 million Financially self-supporting and sustainably profitable Experience from more than 1,900 projects per year at over 800 customers
- 5. Oracle Database In-Memory – Architecture Overview Oracle Database In-Memory10/11/2015 SGA In-Memory Area TX Journal DBWn User IMCO Wnnn Data Files Buffer Cache C5C1 C2 C3 C4 SELECT UPDATE 5
- 6. Oracle Database In-Memory – Warning about Demos Oracle Database In-Memory6 10/11/2015 The demos show the results of different performance tests. The performance figures are intended only to explain and compare different kinds of processing and to give you a feel for their impact. Every system and every application has its own characteristics. Therefore, the relevance of using each technique might be very different, depending on where it’s applied.
- 7. Oracle Database In-Memory – Demos Oracle Database In-Memory10/11/2015 Population (imcs_population.sql, video) FTS, no filter (imcs_fts_no_filter.sql, video) FTS, simple filter (imcs_fts_filter.sql, video) FTS, no filter, aggregation (imcs_fts_aggregation.sql, video) Real query (imcs_real_query.sql, video) Distribution with RAC (imcs_duplicate.sql, video) Repopulation (imcs_repopulation.sql, video) 7 Tip: follow the links to access the scripts and the videos
- 8. Oracle Database In-Memory – Summary Performance improvements can be great – Don’t always expect a factor 42-1000 speed up – Some scenarios can even be slower – There are various limiting factors Works out-of-the-box – Simple configuration Oracle Database In-Memory10/11/20158
- 9. Oracle Database In-Memory9 10/11/2015 Trivadis at DOAG 2015 Level 3 - next to the escalator We look forward to your visit. Because with Trivadis you always win.
- 10. Questions and Answers… Christian Antognini Senior Principal Consultant [email protected] Oracle Database In-Memory10/11/201510