This documentation is for WSO2 Data Analytics Server 3.0.1. View documentation for the latest release.

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This tab displays detailed information about the SQL queries of the selected Spark application.

Spark issues in a production envirionment

The following are three issues that may occur when you work with Spark in a multi node DAS cluster:

Info

The following issues only occur when the DAS cluster is running in RedHat Linux environments.

  • The DAS nodes consuming too much CPU processing power.
  • DAS nodes running out of memory.
  • Too many log directories being created in the  <DAS_HOME>/work  directory.

All of the above issues can be created as a result of he symbolic link not being correctly resolved in the operating system. To address this, you are required to update the  <DAS_HOME>/bin/wso2server.sh  file with the following entry so that the  <DAS_HOME>  is exported.  

Export CARBON_HOME=<symbolic link