Posts Categorized: Technical Blog

Shuck & Awe #2: Hunting for Perl

Huzzah! It’s official, Perl 5.12 is out! If you haven’t already, check out the changelog! As one might expect, this little piece of news made its way on several blogs, both internal and external to the Perl community.

DBD::Oracle and Windows 64bit

I have successfully compiled and installed DBD::Oracle on Windows 2008 Server 64bit operating system today. I used the latest version of DBD::Oracle 1.24, version 11.2.0.1.0 for 64bit Windows of Oracle’s Instant Client Package – Basic along with the Instant Client Package – SQL*Plus and finally the Instant Client Package – SDK. Here are some instructions that will help with the install.

Pythian Session Videos: MySQL 2010 Conference and Expo

Here’s a sneak peek at a video matrix — this is all the videos that include Pythian Group employees at the MySQL conference. I hope to have all the rest of the videos processed and uploaded within 24 hours, with a matrix similar to the one below (but of course with many more sessions).

MySQL Conference Notes

This is not my notes about the MySQL conference that just occurred. These are my thoughts about MySQL conferences in general. During this year’s conference, I heard a lot of concern about whether or not O’Reilly would have a MySQL conference, and whether or not Oracle would decide to sponsor. I heard all of the following (in no particular order):

Stats Overflow

Recently I’ve been puzzled with the performance difference observed between 11GR1 and 11GR2. As part of the investigation I’ve decided to compare session stats from both 11GR1 and 11GR2 and found that there is a big difference for session cursor cache hits. But the number of session cursor cache hits I’ve been observing in 11GR2 just didn’t made any sense while being absolutely fine in 11GR1. An overflow was certainly a possibility, though in 2010, it’s not like someone should be counting every bit especially if they didn’t in 11GR1! Anyway it was worth a shot so I’ve decided to check it out…

Installing TOra with Oracle Support on Ubuntu 10.04 (Lucid Lynx)

Once again into the breach. The release of Ubuntu 10.04 is at hand. I’ve been playing with “Lucid” for a couple of months now but since we’re in beta2 with the release candidate soon to follow, I thought I would really sit down and get my normal app stack working including TOra. All in all the instructions are mostly the same as last time around, with a couple of new improvements, caveats and quid pro quo.

Liveblogging: Edward Screven State of the Dolphin Keynote

Oracle invested heavily in open source even before the acquisition. Linux (Oracle Unbreakable Linux = Oracle Enterprise Linux = OEL). Clustering, data integrity, storage validation, asynchronous I/O, virtualiation technology that has been accepted back into the Linux kernel. They have enhanced Xen, in order to make a good Oracle VM server for x86. With Sun, they now have VirtualBox. In the 3 years of OEL, they have over 4,500 companies.

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