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Displaying posts with tag: software (reset)
Red Hat’s Spacewalk floats over to PostgreSQL

I finally got around to reading this update from Red Hat about Spacewalk, the open source version of Red Hat Network Satellite, launched in June.

Other than the progress in attracting participants and patches, the interesting news is that PostgreSQL support is being added after being demanded by the community. The roadmap confirms that work on support for PostgreSQL is scheduled to begin in mid-October.

The Path to PostgreSQL page, meanwhile, indicates that the idea will enable Red …

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Andrew Lampitt defines Open-Core Licensing

JasperSoft’s business development director Andrew Lampitt has kicked off his new blog with an interesting post related to business models used by open source-related vendors.

In it he attempts to define the approach utilized by the likes of JasperSoft and SugarCRM, which offer open source products with core functionality, as well as commercial extensions. The approach is a twist on the dual licensing approach made famous by MySQL* where the vendor, as copyright holder, makes the code available under both the GNU GPL and a commercial license for customers that would rather avoid the GPL.

The approach taken by JasperSoft et al is not to segment by user base but by features. As Andrew explains, “the commercial license is a super-set of the open source product, i.e., it offers premium product features that you will not see in …

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Continuent launches Tungsten project for database scale-out

Continuent is probably best known for its database clustering technology for MySQL, as well as PostgreSQL, but the company has for some time had its sights set on expanding beyond open source databases and enabling horizontal database scalability.

It has just taken a major step towards delivering on both counts with the launch of Tungsten, its new stack of open source middleware technologies designed to enable low-cost databases to scale horizontally for database failover and continuity.

Tungsten includes includes Sequoia, the existing …

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Open source is dead, long live open source

A couple of articles have been published recently that point to a growing realisation/admission about the role that open source will play in the future of enterprise software.

In “The Commercial Bear Hug of Open Source” Dan Woods details the various methods by which open source has become increasingly commercial in recent years, while in “The Microsoft-Novell Deal and Trust in Princes” Bruce Byfield discusses the relationship between business and open source.

Neither article is perfect. Woods, in particular, appears to paint open source in the role of the glorious failure - failing to surpass traditional licensing models and being subsumed into the mainstream (a subject …

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Asking the right questions of open source

A classic Morecambe and Wise comedy sketch from the 1970s sees Andre Previn criticizing Eric for playing all the wrong notes while attempting the Greig Piano Concerto. Morecambe responds that he is in fact “playing all the right notes. But not necessarily in the right order.”

I was reminded of the sketch this morning while reading BusinessWeek’s article on the potential perils facing open source vendors today. It seems to ask all the right questions, but not necessarily in the right way.

The report suggests that while industry giants such as IBM, HP, Oracle and Intel stand to benefit from open source software, investor impatience could spell trouble for open source …

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Sometimes a developer community isn’t the answer

I was in San Francisco at the tail-end of last week and was fortunate to have some time to meet up with Josh Berkus, a member of the PostgreSQL core team and, until recently, a Sun employee.

Our conversation covered a lot of ground, including his reasons for leaving Sun (he didn’t go into detail but suffice to say he’s working a business idea), the future of the database market (more choice, more horizontal scaling, more use of specialist databases), the future of PostgreSQL (as a development platform), the level or authorization afforded to the Drizzle project, and the future of Sun.

I won’t go into the latter now, but the …

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MAS saves millions with LAMP stack

Malaysian Airlines has impressed me, yet again. Last week, in The Star, they reported that Sharul Isahak, a MAS employee, has helped save the airlines close to RM70 million (about USD$21 million), thanks to his use of open source software.

The software is meant to help airline maintenance, i.e. to keep track of parts and records of maintenance works. The web-based solution, is E-Promis (read the blog entry, its pretty interesting, as he takes you through the planning stages - it also seems like he’s still the only developer).

?This meant looking at open-source solutions. Instead of platforms such as Microsoft or Sun, we chose LAMP (Linux, Apache, MySQL and PHP)?

I couldn’t help but grin …

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Open source: assimilate and thrive

Matt Asay writes today about the prospects for open source vendors going public or, more likely, being acquired, and wonders whether open source vendors should “hold out for an IPO” or “capitulate” and be acquired.

The latter seems far more likely, especially in the current economic climate. We have written before about the open source vendors most likely to go public in the next couple of years.

Looking at the list of contenders again it is easy to imagine that they could all be snapped up before they make it public thanks to the fact that 1) open source vendors are very attractive investments 2) it is difficult for open source vendors to build the momentum to do so.

I spoke recently with …

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Things I like about OpenSolaris


Yesterday I spent some time trying to figure out how I can better support people who are running OSX. I came to the conclusion that it’s not possible for me to do this, and in fact, Apple doesn’t want me to. As part of that process, it made me rethink OpenSolaris a little bit. Here’s my list of things I like about OpenSolaris:

  • It’s not OSX
  • I can install it in a VM
  • It’s trying to get packaging right
  • It’s Free Software

Caveats to the above list:

  • My reservations about a brand new ZFS-based packaging system
  • It may be Free Software, but it’s CDDL

Thank you Sun, for not being the cess-pool of arrogant wanks that Apple is!

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Ghetto Profiling for MySQL

MySQL is generally an all-around kickass piece of software, and like any good open source application, there are a host of tools you can use to squeeze every last drop of goodness out of it. Nearly all of them, however, are geared towards the operational DBA, leaving the wayward developer out in the cold.

Lately I’ve been working on optimizing our stored procedure library which is primarily responsible for generating all sorts of fancy reports for the users. We use lots of nested procedure calls and finding potential targets for optimization is a tricky and time consuming job. Enter Ghetto Profile.

It’s still pretty basic but gets the job done. How’s it work?

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ghetto_profile.rb --attach crappy_code.sql
mysql < crappy_code.sql
ghetto_profile.rb --stats -uroot …
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