Something about the cluster upgrade

Hi, Now I need to upgrade my spark cluster from version 1.1.0 to 1.2.1 , if there is convenient way to do this. something like ./start-dfs.sh (http://start-dfs.sh) -upgrade in hadoop Best Wishs THX -- qiaou 已使用 Sparrow (http://www.sparrowmailapp.com/?sig)

How did the RDD.union work

’).collect.toList ::: hbaseQuery(’bb’).collect.toList) it return the right value obviously i have got an action after my transformation action ,but why it did not work fyi -- qiaou 已使用 Sparrow (http://www.sparrowmailapp.com/?sig)

回复： How did the RDD.union work

} } } return generateRdd } -- qiaou 已使用 Sparrow (http://www.sparrowmailapp.com/?sig) 在 2014年11月12日 星期三，下午2:50，Shixiong Zhu 写道： Could you provide the code of hbaseQuery? It maybe doesn't support to execute in parallel. Best Regards, Shixiong Zhu 2014-11-12 14:32

回复： How did the RDD.union work

this work! but can you explain why should use like this? -- qiaou 已使用 Sparrow (http://www.sparrowmailapp.com/?sig) 在 2014年11月12日 星期三，下午3:18，Shixiong Zhu 写道： You need to create a new configuration for each RDD. Therefore, val hbaseConf = HBaseConfigUtil.getHBaseConfiguration should