This is a final GA release of ehcache-1.7.1 comprising ehcache, ehcache-core and ehcache-terracotta modules. This release contains 15 fixes and improvements over 1.7.0. See the changelog for complete details. Downloads and Maven modules are available here. Very significantly, this release will enable new GA releases of the other ehcache modules, such as ehcache-web, which we expect to… Continue reading New 1.7.1 GA release – ehcache, ehcache-core and ehcache-terracotta
It’s Thanksgiving: Here is what we have been cooking up for Ehcache
I am over in the US through to Christmas and enjoying my second only Thanksgiving here. It has put me in a reflective mood. We have been hard at work on Ehcache over the last few months and I want to give everyone an update on some cool stuff coming out soon. Ehcache-1.7.1 1.7.1 contains… Continue reading It’s Thanksgiving: Here is what we have been cooking up for Ehcache
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… Continue reading Beware of the ESTA Scam for the US Non Visa Waiver Program
Untitled
See a 3 minute video of Greg Luck previewing Ehcache DX, the new monitoring and management product, for Ehcache versions 1.2.3 and higher. Help to shape this exciting new product by registering and downloading theEhcache DX early release.
Ehcache Webcast Wednesday 4 November at 11am PDT (San Francisco Time)
In this webcast, Greg Luck, the maintainer of Ehcache and CTO Ehcache at Terracotta, Inc. will show you how simple it is to scale applications using new Ehcache-1.7 clustered with Terracotta 3.1.1, both components of the Terracotta for Caching product line. Anyone using ehcache will be interested in the new possibilities offered by Ehcache+Terracotta. He… Continue reading Ehcache Webcast Wednesday 4 November at 11am PDT (San Francisco Time)
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Welcome to the new Greg Luck blog, powered by WordPress and a new hosting company. I will be importing my old blog entries along with comments in the next few days.
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What is d7073c02eca990a65c2c4c911fe33b20?
As many of you have guessed d7073c02eca990a65c2c4c911fe33b20 is an MD5 hash. It is actually a hash of a zip archive of documentation for the acquisition by Terracotta Inc. of Ehcache. Adding an MD5 hash into a contract caused the lawyers some angst. They hadn’t seen it before and were naturally reluctant to include it. The… Continue reading What is d7073c02eca990a65c2c4c911fe33b20?
? d7073c02eca990a65c2c4c911fe33b20 ?
Performance problems in ConcurrentHashMap vs synchronized HashMap
In Ehcache 1.6, HashMap was replaced with ConcurrentHashmap with statistical sampling for eviction. Having completed 1.6 and released it there were a few surprises along the way with ConcurrentHashMap performance. PUT and GET performance There is some existing material online about ConcurrentHashMap versus HashMap performance, notably http://www.informit.com/guides/content.aspx?g=java&seqNum=246. This article finds that ConcurrentHashMap puts are slower… Continue reading Performance problems in ConcurrentHashMap vs synchronized HashMap