Uninstalling the OmniOperator UDF Plugin Locally

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

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

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

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

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

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

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

Use vim to open the ~/.bashrc file and delete UDF environment variables from LD_LIBRARY_PATH.
1. Open the ~/.bashrc file.
```
vim ~/.bashrc
```
2. Press i to enter the insert mode and delete ${JAVA_HOME}/jre/lib/aarch64/server from LD_LIBRARY_PATH to update environment variables.
3. Press Esc, type :wq!, and press Enter to save the file and exit.
4. Update the environment variables.
```
source ~/.bashrc
```

Parent topic: Uninstalling the OmniOperator UDF Plugin