Uninstalling the Software

Perform the following steps on the management node and all compute nodes. Ensure that no task is being executed on the OmniOperator upper-layer engine.

The example installation directories are /opt/omni-operator/conf and /opt/omni-operator/lib. The example HiveExtension directory is /opt/omni-operator/hive.

1. Delete the conf and hive folders.

   1 2	rm -rf /opt/omni-operator/conf rm -rf /opt/omni-operator/hive

2. Go to the /opt/omni-operator/lib directory and delete the dependency SO files and OmniOperator files.

   1 2 3

   cd /opt/omni-operator/lib rm -rf libjemalloc.so.2 libLLVM-15.so rm -rf include libboostkit-omniop* boostkit-omniop* libsecurec.so

3. Use vi to open the ~/.bashrc file and delete the LD_LIBRARY_PATH information of OmniOperator from the file to update environment variables.
   1. Open the ~/.bashrc file.

      1	vi ~/.bashrc

   2. Press i to enter the insert mode. Delete the LD_LIBRARY_PATH information of OmniOperator.
   3. Press Esc, type :wq!, and press Enter to save the file and exit.
   4. Update the environment variables.

      1	source ~/.bashrc