2014年1月7日 星期二

Hadoop 終於要進入JDK 7的時代了




離上一篇文章 何時Hadoop 才能正式轉換至 JDK7 ? (2013.4.25)又快過了一年了,讓我們繼續來追蹤更新的進度吧,根據 HadoopJavaVersions wiki 最後一次更新日期 (2013-10-25 17:10:21 by JunpingDu),Hadoop 已經正式可以使用在JDK 7 上面了,不管是Hortonwork 和 Cloudera 都已經有正式支援與驗證的版本。

其實現在才發現已經有點Lag了.....只是今天剛好看到Cloudstack 也在討論是否要換到JDK7 - [Proposal] Switch to Java 7,才赫然發現wiki已經更新了....Anyway...讓我們拍拍手進入JDK7 的時代~XD



(不過....要換JDK7 代表Hadoop 也要升級到2.x唷~:P )

Hadoop Java Versions


Hadoop requires Java 7 or a late version of Java 6. It is built and tested on both OpenJDK and Oracle (HotSpot)'s JDK/JRE

Tested JDK


Here are the known JDKs in use or which have been tested:
Version
Status
Reported By

oracle 1.6.0_16
Avoid (1)
Cloudera

oracle 1.6.0_18
Avoid
Many

oracle 1.6.0_19
Avoid
Many

oracle 1.6.0_20
Good (2)
LinkedIn, Cloudera

oracle 1.6.0_21
Good (2)
Yahoo!, Cloudera

oracle 1.6.0_24
Good
Cloudera

oracle 1.6.0_26
Good(2)
Hortonworks, Cloudera

oracle 1.6.0_28
Good
LinkedIn

oracle 1.6.0_31
Good(3, 4)
Cloudera, Hortonworks

oracle 1.7.0_15
Good
Cloudera

oracle 1.7.0_21
Good (4)
Hortonworks

openjdk 1.7.0_09-icedtea
Good (5)
Hortonworks


Reference:

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