RAC day with Ohio Oracle User Group
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...
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OOUG RAC day presentation files and scripts
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...
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OTNYathra2016
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...
View Articlelibrary cache lock on BUILD$ object
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....
View ArticleAccessing HCC compressed objects using an index
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...
View ArticleCPU profiling using perf utility in Linux
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...
View ArticleSLOB 2.3 Data Loading Failed? Here’s a Quick Diagnosis Tip.
The upcoming SLOB 2.4 release will bring improved data loading error handling. While still using SLOB 2.3, users can suffer data loading failures that may appear–on the surface–to be difficult to...
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RMOUG Training days 2017
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
View ArticleIOUG Collaborate 2017
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 A2. Session: RAC cache...
View ArticleSLOB Chewed Up All My File System Space and Spit It Out. But, Why?
This is a quick blog post in response to a recent interaction with a SLOB user. The user reached out to me to lament that all her file system space was consumed as the result of a SLOB execution...
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