Most software changelogs list what’s changed and what bugs are fixed during each upgrade. But when you’re evaluating an upgrade, what you’re typically concerned about is slightly different — it’s a combination of what’s changed and what might have broken. The fixed bugs aren’t as important for most people, who are either using [...]

I just noticed that Fedora has updated their development repository to include MySQL 5.1:



Actually it's a pity that MySQL 5.1 didn't already make it into Fedora 10 since Fedora 10 was released on November 25, 2008, 2 days prior to MySQL 5.1.30. But it will most certainly be in Fedora 11.

Yepp, it's back again. By popular request, libmysqld is here with us again, having been off to attend other important library matters, whatever those are. But before I go on about this, let me tell what the heck I'm talking about, if you missed the neginning here.

MySQL can be embedded in your application, this is what is often called MySQL Embedded. If you are an ISV (Independent Software Vendor) or OEM (Original Equiment Manufacturer) then this should interest you. If you have never theard those acronyms before, then what this means is that you represent a company that, as part of some unique solution, integrates components from outside vendors. such as MySQL (and you you think that OEM in particular is a weird acronym, theen you are not alone, but this is historical).

Now, assume you build an application that might not be completely Open Source or use an license that is incompatible with GPL. So you have to use …

Mail services

dkim was added during the Intrepid release cycle. Work keeps being done by Scott Kitterman to keep the milter support up-to-date: dkim-milter, pymilter, pymilter-milters have been updated to the latest upstream version in Jaunty.

Virtualisation

Soren Hansen has uploaded a new version of the libvirt package. Amongst bug fixes the version available in Jaunty brings support for openvz. A patch to support opennebula has also been added but is not enabled yet. The related tool virt-viewer has also been updated and provides a Mozilla plugin package. The tools used to interact with EC2 have been updated to the latest version released by Amazon while the latest version of virtualbox-ose made its way to the Jaunty archive. The 2.1 version brings better support for 64 bit systems as well as full VMDK/VHD support including snapshots.

Collaboration tools

moinmoin has been updated to a new …

Background Knowledge

I have Windows Vista with Adobe Acrobat Professional v8.1.3 installed and I was trying to covert to Adobe PDF within Microsoft Publisher 2007.

Error Message

Acrobat PDFMaker reported the following error message dialog, “Adobe PDF Printer is not bound to Adobe PDF Port. Cannot proceed further. Kindly change the PDF Port to Adobe PDF Port in Adobe PDF Printer Settings”.

Solution

1. Go to Control Panel -> Printers.
2. Right mouse click on “Adobe PDF” and left click on “Properties”.
3. Left mouse click on “Ports” tab.
4. Uncheck mark the current port that is presently check marked. Place a checkmark on either “Desktop\*.pdf” or “Documents\*.pdf”. Ensure the description is “Adobe PDF Port”.
5. Left …

When I first looked at EVENTs in MySQL 5.1, I was a bit unclear on what the advantages were. Hey, what's wrong with crontab? I can tell you one thing, that I realized after I started using EVENTs that they can do, that a crontab event cannot: You do NOT have to put a passord in a script! Noone really said anything about this obvious advantage, and it was only after I started using EVENTs that I figured out that obvious advantage.

That said, I have used some new features in 5.x to implement a monitoring solution for my PapaBlues website, and on top of this, I am managing the site using some Joomla components that I have developed (the whole site is built with Joomla).

I use an EVENT to once per day collect STATUS data. The way this works is that I have a PROCEDURE that is called by the EVENT. I realized that for a …

This Thursday (January 29th), we're continuing our series of sessions on MySQL performance measuring and improvements with David Lutz' presentation titled Scalability Challenges in an InnoDB-based Replication Environment. David works in the Performance and Applications Engineering department at Sun Microsystems, so again, expect to get some deep insights into the inner workings of the MySQL Server.

David is based in California, so note that this session will take place in the morning (America) or evening (Europe), respectively.

For MySQL University sessions, point your browser to this page. You need a browser with a working …

Time for another East Coast tour -- not to worry am planning on a central and western tour as well, but we're still working out the details to see if it will happen!

Next week, I'll be attending a Sun Microsystems "Hatchery" event talking to startups in New York so I'll be in NYC Monday and Tuesday (Feb 2/3). Wednesday I'll Amtrak it to Boston where I'll meet the Boston MySQL Meetup and talk about MySQL 5.1's Event Scheduler. I'll then travel to Providence. I don't have any meetings scheduled for Providence but I'll work from a friend's house and come back on a cheap flight to Montreal the Monday after.

Will you be in any of these areas? Do you want to meet up? I have no problems ducking out during the day to meet any developer, mysql user, customer or dba. Just let me know on this blog how to get in touch with you or drop me an email to dups -at- sun -dot- com.

Now the cool part is that I will be trying …

If you read this blog, you should probably sign the petition !

Thanks to Bernardo Damele, the lib_mysqludf_sys package hosted by the Repository for MySQL UDFs can now boast a new sys_eval() function. You can read the details here on his blog. Bernardo also created a similar function for PostgreSQL.

Thank you, Bernardo!!!

sys_eval() is quite like …