这里推荐一篇文章,写的非常好: http://www.infoq.com/cn/articles/hadoop-ten-best-practice
下面是两个能够帮助的你的社区,当然你也可以帮助其他人:
Apache hadoop的mail list :
http://hadoop.apache.org/mailing_lists.html
Cloudera CDH google group:
https://groups.google.com/a/cloudera.org/forum/#!forum/cdh-user
还有就是apache的 mail list:
User
The user@ mailing list is the preferred mailing list for end-user questions and discussion.
Note
Please use the specific module's -dev@ mailing list to address developers on a specific technical question.
The Hadoop user mailing list is : user@hadoop.apache.org.
In order to post to the list, it is necessary to first subscribe to it.
一些官方博客