Viewing topics in the UI returns a 503 error

[gmcrobert]

Issue Description

When trying to view topics in the UI, the topic list page displays an error and the notification in the top right corner shows a 503 error with the following message: Unable to establish connection to Kafka with the bootstrap address

The logs of the REST-deploy pod contain multiple FileSystemException messages like the following:

java.nio.file.FileSystemException: /etc/georeplication/georeplicationdestinationclusters: Too many open files

Environment

• IBM Event Streams Version: 2019.4.3
• IBM Cloud Private (ICP) Version: 3.2.x