1. http://blog.cloudera.com/blog/2014/05/apache-spark-resource-management-and-yarn-app-models/
2. http://blogx.github.io/how-to-tune-your-apache-spark-jobs-part-2.html
3. http://gethue.com/new-notebook-application-for-spark-sql/
4. http://gethue.com/a-new-spark-web-ui-spark-app/
5. kafka: http://blog.csdn.net/zhongwen7710/article/details/41252649
6. kafka + sparkstreaming: http://blog.csdn.net/ligt0610/article/details/47311771
google: https://www.guge.link
spark streaming: http://www.eecs.berkeley.edu/Pubs/TechRpts/2012/EECS-2012-259.pdf
kafka+spark streaming+hbase:https://www.sigmoid.com/integrating-spark-kafka-hbase-to-power-a-real-time-dashboard/
NameNode GC: http://caiguangguang.blog.51cto.com/1652935/1418895
HBase 停顿10s~20s(BlockCache ---> BucketCache<2级缓存>):http://blog.csdn.net/kntao/article/details/44595357
DRA: http://www.jianshu.com/p/79ebdb1dbaff
http://www.uml.org.cn/sjjm/201602293.asp
https://zeppelin.incubator.apache.org/docs/latest/interpreter/spark.html