No. You don't need to. Master will start all required daemons on slave. Check all daemons using jps command.
Sent from my iPhone > On Feb 16, 2014, at 7:03 PM, EdwardKing <zhan...@neusoft.com> wrote: > > I have install hadoop-2.2.0 under two machine,one is master and other is > slave,then I start hadoop service under master machine. > [hadoop@master ~]$./start-dfs.sh > [hadoop@master ~]$./start-yarn.sh > [hadoop@master ~]$./mr-jobhistory-daemon.sh start historyserver > > My question is whether I need start hadoop service under slave machine again? > Thanks. > [hadoop@slave ~]$./start-dfs.sh > [hadoop@slave ~]$./start-yarn.sh > [hadoop@slave ~]$./mr-jobhistory-daemon.sh start historyserver > > > > > > > --------------------------------------------------------------------------------------------------- > Confidentiality Notice: The information contained in this e-mail and any > accompanying attachment(s) > is intended only for the use of the intended recipient and may be > confidential and/or privileged of > Neusoft Corporation, its subsidiaries and/or its affiliates. If any reader of > this communication is > not the intended recipient, unauthorized use, forwarding, printing, storing, > disclosure or copying > is strictly prohibited, and may be unlawful.If you have received this > communication in error,please > immediately notify the sender by return e-mail, and delete the original > message and all copies from > your system. Thank you. > ---------------------------------------------------------------------------------------------------
