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Jeremy

Doing stuff with Oracle Database, Performance, Clusters, Linux. about.me/jeremy_schneider
Jeremy has written 104 posts for Ardent Performance Computing

Developer Access To 10046 Trace Files

Lets suppose you are a DBA at a large company. You have some great developers, and they’re learning all about how to turn on full logging of their code through the 10046 database trace. They just learned how to use this data in summary form to find out – at a very detailed level – … Continue reading

Finally on Twitter

Overheard in an IRC chat room (Freenode#oracle) this morning… [24 May 11 09:30] * cheboygan: glad to see that someone read the  blog post though.  at least i know one person read it. [24 May 11 09:30] * rizzo: it got re-tweeted a lot last week [24 May 11 09:30] * rizzo: get yourself on … Continue reading

RAC Attack – Oracle Cluster Database at Home

First of all, the RAC Attack deep dive at Collaborate went great – thanks to everyone who participated! The room was full (20 participants) and I got evaluations from about half of them. Here’s a summary of the eval results: 100% class met expectations, would recommend to others 66% easy to follow, could use skills … Continue reading

BYO Oracle RAC on EC2

Over the past year or so I’ve had a number of conversations about running Oracle RAC on Amazon’s EC2 cloud platform. Chet Justice had suggested a long time ago that I try it, but I never quite found the time. Last fall at the Oak Table Symposium in Michigan, Jeremiah Wilton told me he hadn’t … Continue reading

Binding DBLINK to a Network Interface

Just thought I’d do a quick post on this one; came out of a conversation about a month or two ago. We had a single-instance database running on a failover cluster (RHCS). A database link existed for a related database and the connection had to pass through a firewall. The problem was the firewall: it … Continue reading

Large ASM Adoptions and Lessons Learned

Seems like December came quickly this year…  and UKOUG is only one week from Monday! This will be my first year attending UKOUG – and I will be giving a new presentation called “Large Scale ASM Adoptions and Lessons Learned.”  I was personally involved in a very large ASM adoption project and I’m also talking … Continue reading

OpenWorld Haiku

I arrived home in Chicago around 1am Saturday morning on a slightly delayed flight direct from San Francisco. What a week – I’m only now getting back into my normal routine! It’s nothing spectacular, but I wrote this short Haiku (poem) on Sunday… OpenWorld: crush, splat… Brain worked overtime last week! Still catching up sleep. … Continue reading

MOTS Day 2

I’m now in San Francisco, getting started with OpenWorld.  But before I start blogging OpenWorld, I guess I should post a few highlights of the second day of MOTS (last Friday), since I wrote a bit about the first day. First of all, the whole event was really incredible.  Carol Dacko did an amazing job … Continue reading

MOTS Day 1

Just about to start the second day of the Michigan OakTable Symposium. Right now there are two guys standing about 20 feet away from me who are having an animated conversation about how internal bind variable behavior and cardinality feedback changed between different versions of Oracle.  That sums up the symposium so far.  Some sessions … Continue reading

Mysterious Oracle Net Errors

Yesterday, I had a fight to the death with a nasty Oracle Net problem. The battle consumed a little more of the day than I intended… but it was worthwhile for the sweet taste of victory. Everything started with this short, innocent-seeming instant message: there is something wrong with a 10g server config. connecting to … Continue reading

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(a) The views expressed on this website are mine alone and do not necessarily reflect the views of my employer.

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Jeremy Schneider
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