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xzhou
Silver ⭐️⭐️
June 23, 2016
Solved

The Definitive HDFS Service Start/Stop Checklist for Cloudera Clusters

In a typical HDFS HA deployment, Zookeeper, ZKFailoverController, DataNodes, NameNodes and JournalNodes, are all installed. What's the best order of starting/stoping these HDFS services to avoid running into services dependency issues?

namaheshwari
Gold ⭐️
July 1, 2016

You need to follow the below Start order

  • Ranger
  • Knox
  • ZooKeeper
  • HDFS
    • Journal Node
    • Name Node
    • Secondary Name Node
    • Data Node
  • YARN
    • Resource Manager
    • History Server
    • Node Manager

4 replies

KuldeepK
Gold ⭐️
Gold ⭐️
June 23, 2016

Stop order:

1. Stop Datanodes

2. Stop Namenodes

3. Stop ZKs

4. Stop Journal nodes

Start Order:

1. Start ZKs

2. Start JNs

3. Start Datanodes

4. Start NNs

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sandyy006
Gold ⭐️
Gold ⭐️
June 23, 2016

If you are using ambari , It will take care of the sequence. You just need to click on start service and start service.

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namaheshwari
Gold ⭐️
July 1, 2016

You need to follow the below Start order

  • Ranger
  • Knox
  • ZooKeeper
  • HDFS
    • Journal Node
    • Name Node
    • Secondary Name Node
    • Data Node
  • YARN
    • Resource Manager
    • History Server
    • Node Manager
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xzhou
xzhouAuthor
Silver ⭐️⭐️
July 8, 2016

Thank you all for the answers.

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