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How to separate Spark from Incorta Server to a different Server

The default Incorta Installation installs both Incorta and Spark on the same server.  You can separate spark to a different node so that both Incorta and Spark run on different nodes and make use of computing power and memory of their nodes to improve performance.

 

STEPS:

- Shutdown Incorta and Spark on Incorta server

- Take export of tenant on Incorta server  (i.e. ./tmt.sh --export <tenant-name> <export-file-name.zip> )  (e.g.  ./tmt.sh --export sbux-dev sbux-dev-08152018.zip)

- Zip spark directory on Incorta server

 

- Unzip spark directory on to new node for Spark Server 

- Make sure Java is installed on Spark Server

- Modify .bash_profile in Spark server to have correct JAVA_HOME and PATH. Also add SPARK_HOME variable pointing to spark directory.

- Modify hostname in spark-defaults.conf and spark-env.sh files under ..spark/conf directory on Spark Server

- Start Master and Slave on Spark server

- Go to  Master and Worker URLs. (Default ports are 9091,9092) to verify spark is up and running

 

- On Incorta Server, edit file ..IncortaHome/incorta/server.properties and modify hostname if there is an entry for spark.master.url

- On Incorta Server, update spark.master.url using tmt command 

(example: tmt.sh -u system spark.master.url 'spark://SparkNodeHostName:7077')

- Start Incorta.

- Login to Incorta/admin url. Verify the spark master url and other parameters under spark integration

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  • We also need to move the tenant folder from Incorta Server to Shared Storage so that both Incorta and Spark Nodes can read and write data .

    Follow the steps below before Starting Incorta

    - Move tenant dir to shared folder  (Tenant Directory is under IncortaHome)

    - Run tmt utility to update the tenant path

       (Syntax:     ./tmt.sh -u <tenant_name> path <newpath/tenant_name>)

    - Validate with ./tmt.sh -l

      (It should list the tenant name with the new path)

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