Rants about Java and other internet technologies by Sam Pullara

Recent Technology

  • Drastically reducing GC pause times for YQL

    Update 2: JRockit Real Time 3.1.2 using -XgcPrio:deterministic performed even better than this configuration in testing though it is not yet an approved VM at Yahoo! we will continue to test with it.
    Update: One issue we still have is that after many hours of deployment with this configuration the heap fragments and we start to [...]

  • Building OpenJDK 1.7.0 for Mac OS X 10.6 (Snow Leopard)

    I’m basing this blog entry on this reference page.  There are only a few different things that you need to do so I will spell those out cleanly relative to what was previously needed:

    Grab the dependencies except for JIBX, it is no longer needed for the build.
    Checkout the code as described.
    export JAVA_HOME=$SOYLATTE_HOME
    The build script is [...]

  • Update your FireEagle location automatically from any browser

    With all the talk of geolocation in the browser, I decided this afternoon to go ahead and make it really easy for anyone to automatically update their location in FireEagle by going to a single url from any browser. Depending on the capabilities of your browser it will use various technologies to determine your [...]

  • Creating a JSON web service API for Find My iPhone

    One of the really cool features of MobileMe and the new iPhone 3.0 OS is the ability for it to reach out and locate your iPhone at any time if you have that feature enabled. Right now Apple only makes this available on their MobileMe website however and does not offer a programmatic way [...]

  • 4hoursearch – faster, simpler, more powerful using YQL

    As you know the original 4hoursearch was built using Yahoo! BOSS, YUI and Python running on Google App Engine. Although Google App Engine is a very productive environment I was unhappy with it for a few reasons. It doesn’t feel snappy enough, presumably because of the security enforcement aspects of the system, your [...]

  • YQL opens up 3rd-party web service table definitions to developers

    The Yahoo! Query Language aspires to be the last web service API that the normal developer will ever have to learn. By default we implement 50+ tables that grab data both from Yahoo! web services, some 3rd party web services and then the web at large using our dynamic tables that allow you specify [...]

  • Using JAX-RS with Protocol Buffers for high-performance REST APIs

    One of the great things about the JAX-RS specification is that it is very extensible and adding new providers for different mime-types is very easy. One of the interesting binary protocols out there is Google Protocol Buffers. They are designed for high-performance systems and drastically reduce the amount of over-the-wire data and also [...]

  • Build your own mail analyzer for Mac Mail.app

    You’ve probably read about things like Xoopit and Xobni for analyzing both online mail and your outlook mail. As it turns out, Apple has done something great in this regard that I think has been mostly overlooked. Mail.app stores all of the meta-data for you email in a file called ~/Library/Mail/Envelope Index. [...]

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