http://gregluck.com/blog Thu, 19 Jan 2012 01:41:00 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://gregluck.com/blog/archives/2012/01/the-h-half-hour-jsr107-interview/ http://gregluck.com/blog/archives/2012/01/the-h-half-hour-jsr107-interview/#comments Thu, 19 Jan 2012 01:41:00 +0000 Greg Luck http://gregluck.com/blog/?p=482 dzone_url = "http://gregluck.com/blog/archives/2012/01/the-h-half-hour-jsr107-interview/";See http://www.h-online.com/open/features/The-H-Half-Hour-Cache-back-Greg-Luck-and-the-return-of-JSR-107-1413380.html]]> http://gregluck.com/blog/archives/2012/01/the-h-half-hour-jsr107-interview/feed/ 0 http://gregluck.com/blog/archives/2011/09/my-sessions-at-javaone/ http://gregluck.com/blog/archives/2011/09/my-sessions-at-javaone/#comments Tue, 27 Sep 2011 19:04:54 +0000 Greg Luck http://gregluck.com/blog/?p=454 dzone_url = "http://gregluck.com/blog/archives/2011/09/my-sessions-at-javaone/";I will be speaking at JavaOne 2011. My sessions are: 24241 – The Essence of Caching, Parc 55 – Divisidero at 10:30am Tuesday 4 October This presentation distills what the speaker has learned from 10 years of scaling Java. It starts with a performance problem and leads you through solving it with caching, discovering the problems [...]]]> http://gregluck.com/blog/archives/2011/09/my-sessions-at-javaone/feed/ 0 http://gregluck.com/blog/archives/2011/07/using-maven-settings-xml-in-cloudbees/ http://gregluck.com/blog/archives/2011/07/using-maven-settings-xml-in-cloudbees/#comments Wed, 13 Jul 2011 00:45:15 +0000 Greg Luck http://gregluck.com/blog/?p=440 dzone_url = "http://gregluck.com/blog/archives/2011/07/using-maven-settings-xml-in-cloudbees/";This How To is too well hidden for it’s or end users’ good: https://cloudbees.zendesk.com/entries/438491-sharing-files-with-build-executors-such-as-maven-settings-xml]]> http://gregluck.com/blog/archives/2011/07/using-maven-settings-xml-in-cloudbees/feed/ 0 http://gregluck.com/blog/archives/2011/05/jsr107-jcache-update-9-may-2011/ http://gregluck.com/blog/archives/2011/05/jsr107-jcache-update-9-may-2011/#comments Tue, 10 May 2011 02:04:13 +0000 Greg Luck http://gregluck.com/blog/?p=434 dzone_url = "http://gregluck.com/blog/archives/2011/05/jsr107-jcache-update-9-may-2011/";For those not involved in the expert group or following on the Google Group (jsr107@googlegroups.com), here is an update. As usual the actual specification in all of it’s evolving glory can also be viewed at https://docs.google.com/document/d/1YZ-lrH6nW871Vd9Z34Og_EqbX_kxxJi55UrSn4yL2Ak/edit?hl=en . Some people find working on and editing a spec in plain view “appalling” but I like it. It is [...]]]> http://gregluck.com/blog/archives/2011/05/jsr107-jcache-update-9-may-2011/feed/ 0 http://gregluck.com/blog/archives/2010/10/ehcache-bigmemorys-big-speedup-leading-up-to-the-ga-release/ http://gregluck.com/blog/archives/2010/10/ehcache-bigmemorys-big-speedup-leading-up-to-the-ga-release/#comments Tue, 19 Oct 2010 05:26:40 +0000 Greg Luck http://gregluck.com/blog/?p=345 dzone_url = "http://gregluck.com/blog/archives/2010/10/ehcache-bigmemorys-big-speedup-leading-up-to-the-ga-release/";Last month we made a big splash with our news of BigMemory, our add-on to Ehcache which creates very large caches in the Java process ((VLIPCCs) while still avoiding the achilles heel (hell) of GC pauses. We released charts on ehcache.org showing our performance up to 40GB of cache. Optimising for Byte Arrays. Why? We [...]]]> http://gregluck.com/blog/archives/2010/10/ehcache-bigmemorys-big-speedup-leading-up-to-the-ga-release/feed/ 1 http://gregluck.com/blog/archives/2010/08/comparing-ehcaches-coherency-and-correctness-settings-with-database-isolation-levelslevels/ http://gregluck.com/blog/archives/2010/08/comparing-ehcaches-coherency-and-correctness-settings-with-database-isolation-levelslevels/#comments Wed, 04 Aug 2010 01:52:35 +0000 Greg Luck http://gregluck.com/blog/?p=318 dzone_url = "http://gregluck.com/blog/archives/2010/08/comparing-ehcaches-coherency-and-correctness-settings-with-database-isolation-levelslevels/";Ehcache has configurable correctness and coherency settings. A good, though not complete analogy is database isolation settings. So, within an Ehcache cache clustered with Terracotta, you have: Incoherent – No isolation control. Dirty Reads and Dirty Writes. Coherent writes and incoherent reads  - Read Uncommitted Coherent - Read Committed Coherent with transactional rollback (JTA) – Read [...]]]> http://gregluck.com/blog/archives/2010/08/comparing-ehcaches-coherency-and-correctness-settings-with-database-isolation-levelslevels/feed/ 4 http://gregluck.com/blog/archives/2010/03/java-technology-and-one-other-predictions-for-the-next-few-years/ http://gregluck.com/blog/archives/2010/03/java-technology-and-one-other-predictions-for-the-next-few-years/#comments Fri, 26 Mar 2010 08:15:31 +0000 Greg Luck http://gregluck.com/blog/?p=263 dzone_url = "http://gregluck.com/blog/archives/2010/03/java-technology-and-one-other-predictions-for-the-next-few-years/";I went to DevNexus in Atlanta a few weeks back. Neal Ford gave a talk on predicting the future. Neal is a great speaker and I found it very thought provoking. Now as a former colleague of Neal’s I also felt challenged to think about whether I agreed with him. Neal is a super-smart polyglot [...]]]> http://gregluck.com/blog/archives/2010/03/java-technology-and-one-other-predictions-for-the-next-few-years/feed/ 6 http://gregluck.com/blog/archives/2010/03/comparing-memcache-and-ehcache-server-performance/ http://gregluck.com/blog/archives/2010/03/comparing-memcache-and-ehcache-server-performance/#comments Sun, 21 Mar 2010 08:22:27 +0000 Greg Luck http://gregluck.com/blog/?p=268 dzone_url = "http://gregluck.com/blog/archives/2010/03/comparing-memcache-and-ehcache-server-performance/";Ehcache Server provides a RESTful API for cache operations. I am working on v0.9 and have been doing some performance benchmarks. I thought it would be interesting to compare it with the performance of that other over-the-network cache, Memcache. Now I already knew that Ehcache in-process was around 1,000 times faster than Memcache. But what [...]]]> http://gregluck.com/blog/archives/2010/03/comparing-memcache-and-ehcache-server-performance/feed/ 8 http://gregluck.com/blog/archives/2009/11/beware-of-the-esta-scam-for-the-us-non-visa-waiver-program/ http://gregluck.com/blog/archives/2009/11/beware-of-the-esta-scam-for-the-us-non-visa-waiver-program/#comments Sat, 21 Nov 2009 01:10:39 +0000 Greg Luck http://gregluck.com/blog/?p=186 dzone_url = "http://gregluck.com/blog/archives/2009/11/beware-of-the-esta-scam-for-the-us-non-visa-waiver-program/";The last time I was in the US a few months ago I was told that the grace period for the new ESTA US Non Visa Waiver program would expire in a few months. Because that time was not up, I did not apply. While this is true the US Department of Immigration in addition [...]]]> http://gregluck.com/blog/archives/2009/11/beware-of-the-esta-scam-for-the-us-non-visa-waiver-program/feed/ 0 http://gregluck.com/blog/archives/2008/05/ehcache-1-5-0-beta1-released/ http://gregluck.com/blog/archives/2008/05/ehcache-1-5-0-beta1-released/#comments Wed, 14 May 2008 14:00:44 +0000 Greg Luck http://gregluck.com/blog/2008/05/ehcache-1-5-0-beta1-released/ dzone_url = "http://gregluck.com/blog/archives/2008/05/ehcache-1-5-0-beta1-released/";I have released a new version of Ehcache, 1.5.0-beta1, which provides a host of new features and a few bug fixes. Some of the features are up to a year old, so this pretty large release is a chance to clear the decks ahead of some exciting new work coming in 1.6, such as the [...]]]> http://gregluck.com/blog/archives/2008/05/ehcache-1-5-0-beta1-released/feed/ 0