Introducing Expression Transformers

November 26 2008

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The Mule expression framework was one of the new features in Mule 2. It provides a very powerful way to make queries on incoming messages and use the results to control how Mule behaves. Mule already supports a variety of expression languages such as Xpath and Groovy. There is also expressions for navigating the current message headers, payload and attachments.

Performance Tuning in Mule

November 25 2008

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There are several ways to tune performance in Mule. I’ve just finished a page on performance tuning in the Mule 2.x User Guide that walks through the available performance tuning options and provides formulas for calculating threads. Following is an excerpt of the high-level information from that page.

Mulecast: “Mule in Action” book interview

November 24 2008

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In this episode, MuleSource CTO and co-founder Ross Mason speaks with David Dossot and John D’Emic about their recently released book “Mule in Action” published by Manning. During this podcast the authors discuss why they wrote the book, what readers (and users of Mule) can expect, and some tips on getting started with Mule today.

Enable Your Mule ESB for Performance Monitoring

November 24 2008

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Ken Yagen and I have done a webinar on Using Mule HQ to Manage Performance on Nov.18, 2008. Here is what you need to do in order to enable your Mule ESB for performance monitoring using Mule HQ:

Creating Events in Galaxy

November 20 2008

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Galaxy includes many standard events you can use right out of the box, such as ENTRY_CREATED and LIFECYCLE_TRANSITION. (For the full list, click here). Using the Event API, you can also create your own events and create scripts that listen for them.

The Write Stuff

November 13 2008

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You may have noticed a lot of changes to the MuleSource documentation wiki lately. With the help of all of our great developers, I’ve been slowly updating the pages, validating content, updating outdated information, and restructuring. We’ve also added a lot of new content to the Getting Started guide and set up navigation so that it flows like a book, making it easier for new users to get up and running.

Upcoming Webinar on Managing Performance Using MuleHQ

November 11 2008

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On November 18, 2008 at 9:00 AM PST (15:00 GMT) Wey Cheng and I will be presenting a webinar on Using MuleHQ to Manage Performance. You can register for the webinar here. Wey and I have been preparing an example to demonstrate typical read-world application performance issues and how to use MuleHQ to troubleshoot and resolve them. The webinar will focus on a live demo running a Mule application under load, observing some performance degradation, and then tuning to correct the problems. All with real-time feedback from MuleHQ!

QCon, San Francisco, next week

November 10 2008

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Its QCon time again in San Francisco. This is one of the conferences that I really enjoy and the line up for this year is looking better than ever.

On Thursday, I will be doing a panel discussion with Bob Lee, Rod Johnson and Geir Magnusson discussing “How does the Open Source trend in Java affect your design and development process”, which should be really interesting.

Tune in to the inaugural MuleCast

November 5 2008

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MuleCasts are by the Mule community, for the Mule community. The series will highlight cool and interesting use cases, work done by active Mule community members, and helpful project updates for Mule and Galaxy.

In this episode, MuleSource CTO and co-founder Ross Mason speaks with Tijs Rademakers and Jos Dirkson about their recently released book “Open Source ESBs in Action” published by Manning. During this podcast Ross, Tijs and Jos discuss why the open source model makes sense for ESBs and integration, as well as the technical strengths and weaknesses of particular ESBs, including Mule.

From the Mule’s Mouth

November 5 2008

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Welcome to the MuleSource developer blog. We have created this space where the Mule community can get “off-the-hoof” comments, technical tips, and breaking news — direct from MuleSource’s core development and services team. The thoughts posted by the contributors here will be practical and unfiltered by marketing spin (with apologies to our Marketing team!)