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Starting and stopping hadoop services from command line

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Starting and stopping hadoop services from command line

Contributor

1) Is starting and stopping Hadoop services can only be achieved via Ambari? or are there any scripts available to start and stop the Hadoop services via command line?

2) Which one from below is actual $HADOOP_HOME?

/usr/hdp/2.5.3.0-37/etc/hadoop/conf.empty/ /etc/hadoop/2.5.3.0-37/0/

Please advise.

Thank you,

Sachin A

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Re: Starting and stopping hadoop services from command line

Super Mentor
4 REPLIES 4
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Re: Starting and stopping hadoop services from command line

Super Mentor
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Re: Starting and stopping hadoop services from command line

Super Guru

closing the loop on this question. You can start and stop any service managed by ambari via command line (rest) as well. info here

https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=41812517

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Re: Starting and stopping hadoop services from command line

Contributor

I see there are multiple symlinks created to locate folder "conf", what is the purpose behind creating multiple symlink?

Please advise.

Thank you,

Sachin A

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Re: Starting and stopping hadoop services from command line

Contributor

@Jay Kumar SenSharma Any specific reason for lots of symlinks present for binaries in conf and etc dir. It's quite confusing sometime. Do you why it's been designed this way?

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