Uninstalling the OmniOperator UDF Plugin

The following operations must be performed on the management node and all compute nodes.

1. Delete the /opt/omni-operator/hive-udf directory on the management and compute nodes.

   rm -rf /opt/omni-operator/hive-udf

2. In the /opt/omni-operator/conf/omni.conf file, update the following content:
   1. Open /opt/omni-operator/conf/omni.conf.

      vim /opt/omni-operator/conf/omni.conf

   2. Press i to enter the insert mode and update the UDF configuration.

      #enableBatchExprEvaluate=false    // false indicates expression row-by-row processing and true indicates that expression bath processing.
      #hiveUdfPropertyFilePath=/opt/omni-operator/hive-udf/udf.properties   // UDF trustlist file path.
      #hiveUdfDir=/opt/omni-operator/hive-udf/udf   // Hive UDF JAR file directory.

   3. Press Esc, type :wq!, and press Enter to save the file and exit.