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Critical Skills for Performance Work
I was just watching John Rauser’s keynote “What is a Career in Big Data?” from last weeks Strata Conference New York and I have to say it’s an amazing talk. I would highly recommended it to anyone who...
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Exadata Smart Flash Logging Explained
I’ve seen some posts on the blogosphere where people attempt to explain (or should I say guess) how Exadata Smart Flash Logging works and most of them are wrong. Hopefully this post will help clear up...
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Counting Triangles Faster
A few weeks back one of the Vertica developers put up a blog post on counting triangles in an undirected graph with reciprocal edges. The author was comparing the size of the data and the elapsed times...
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UKOUG – A Deep Dive into the SQL Monitoring Report
The UK Oracle User Group Conference 2011 is just around the corner and I just realized that I haven’t yet highlighted this, other than the “I’m speaking” banner on my blog. I’ll be speaking on one of...
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Visualizing Active Session History (ASH) Data With R
One of the easiest ways to understand something is to see a visualization. Looking at Active Session History (ASH) data is no exception and I’ll dive into how to do so with R and how I used R plots to...
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Pitfalls of Using Parallel Execution with SQL Developer
[This post was originally published on 2012/02/29 and was hidden shortly thereafter. I'm un-hiding it as of 2012/05/30 with some minor edits.] Many Oracle Database users like tools with GUI interfaces...
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Linux 6 Transparent Huge Pages and Hadoop Workloads
This past week I spent some time setting up and running various Hadoop workloads on my CDH cluster. After some Hadoop jobs had been running for several minutes, I noticed something quite alarming — the...
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OakTable World
This weekend begins Oracle’s OpenWorld and there is something off the beaten path going on — OakTable World. There is a pretty good lineup of speakers, including myself, who will be talking on subjects...
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Upcoming Talks: OakTable World and Strata + Hadoop World
I haven’t had much time over the past year to do many blog posts, but in the next few months I’ll be doing a few talks about what I’ve been working on over that time, Cloudera Impala, an Open Source...
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My Strata + Hadoop World Schedule
Next week is Strata + Hadoop World which is bound to be exciting for those who deal with big data on a daily basis. I’ll be spending my time talking about Cloudera Impala at various places so I’m...
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