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Preview: Oracle database internals by Riyaj

Oracle database internals by Riyaj

Discussions about Oracle performance tuning, RAC, Oracle internal & E-business suite.

Last Build Date: Thu, 08 Mar 2018 17:58:50 +0000


Oracle Open World 2017 presentationorainternals

Tue, 26 Sep 2017 17:04:35 +0000

Hi, I will be presenting about ASM internals in Oracle Open World 2017 conference on Sunday October 1st. Following are the details: Session ID: SUN5682 Session Title: Oracle Automatic Storage Management and Internals Room: Moscone South – Room 155 Date: 10/01/17 Start Time: 12:45:00 PM End Time: 01:30:00 PM See you there! Update: Added the […]

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IOUG Collaborate 2017orainternals

Thu, 30 Mar 2017 20:56:39 +0000

I have a few presentations scheduled in IOUG Collaborate 2017, Las Vegas. 1. Session: 621: RAC Clusterware internals **Date/time: Mon, Apr 03, 2017 (01:30 PM – 02:30 PM) : Jasmine A 2. Session: RAC cache fusion internals. ( OakTable track ) **Date/time: Wed, Apr 05, 2017 (09:45 AM – 10:45 AM) Room: South Seas C […]

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RMOUG Training days 2017orainternals

Sat, 28 Jan 2017 19:23:59 +0000

I will be speaking about the following topics in Rocky Mountain Oracle User group Training days (RMOUG, Denver) February 7-9, 2017. Come to my presentations and say Hi to me 🙂 1. RAC Cache Fusion Internals and Performance Tuning RAC Wait Events – Tuesday 3:15PM to 5:15PM 2. Index and Redo Internals – Wednesday 4-5PM […]

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CPU profiling using perf utility in Linuxorainternals

Thu, 09 Jun 2016 16:11:15 +0000

After reading my blog entry about a performance issue due to excessive HCC decompression ( Accessing HCC compressed objects using index access path, a reader asked me about the CPU profiling method I mentioned in that blog entry. I started responding to that comment, and realized that the response was too big for a comment. […]

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Accessing HCC compressed objects using an indexorainternals

Tue, 07 Jun 2016 21:59:08 +0000

Problem I came across another strange SQL performance issue: Problem was that a SQL statement was running for about 3+ hours in an User Acceptance (UA) database, compared to 1 hour in a development database. I ruled out usual culprits such as statistics, degree of parallelism etc. Reviewing the SQL Monitor output posted below, you […]

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library cache lock on BUILD$ objectorainternals

Sat, 21 May 2016 18:41:48 +0000

I was testing an application performance in 12c, and one job was constantly running slower than 11g. This post is to detail the steps. I hope the steps would be useful if you encounter similar issue. Problem In an one hour period, over 90% of the DB time spent on waiting for library cache lock […]

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Thu, 24 Mar 2016 19:25:54 +0000

Over the last many years, some of you have invited me to attend conferences in India, and talk about Oracle RAC and performance. I have not had an opportunity to make it to conferences in India, until now 🙂 I am excited to announce that I will be participating in OTN sponsored Oracle ACE Director’s […]

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OOUG RAC day presentation files and scriptsorainternals

Wed, 18 Nov 2015 06:18:29 +0000

Thanks for coming to my presentations in RAC day at Dublin, Ohio. Please find the presentation files below. Hopefully, I will get video files and upload that here too. OOUG presentation files and scripts md5 checksum of the zip file is: $md5sum df8bdcbc02926e5bbd721514b473bf16

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RAC day with Ohio Oracle User Grouporainternals

Thu, 22 Oct 2015 16:30:39 +0000

I will be talking about RAC and performance in-depth, with lots of demos, in a RAC day training with Ohio Oracle User group on Nov 16,2015 Monday. Venue for the presentation is Dublin, Ohio. Agenda for the day: 08:00a – 09:00: Registration / Breakfast 09:00a – 09:15: Announcements -Introduction of the speaker 09:15a – 10:30: […]

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Demos do fail.orainternals

Wed, 15 Apr 2015 17:10:18 +0000

I am an ardent believer of “show me how it works” principle and usually, I have demos in my presentation. So, I was presenting “Tools for advanced debugging in Solaris and Linux” with demos in IOUG Collaborate 2015 in Las Vegas on April 13 and my souped-up laptop (with 32G of memory, SSD drives, and […]

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