Standalone-server Deployment of Flink(cross version)

1. Download the mirror of the new version

   Internet Access Available

   docker pull nocoly/flink:<version>

   Internet Access Unavailable

   https://pdpublic.nocoly.com/offline/flink-linux-amd64-version.tar.gz
   
   #Execute the following after downloading to the server:
   docker load -i flink-linux-amd64-version.tar.gz

2. Enter the flink container.

   docker exec -it $(docker ps | grep flink | awk '{print $1}') bash

3. Backup and delete the zookeeper directory in the Flink data directory and empty the Job list in Flink in the old version.

   mv /data/flink/zookeeper /data/flink/zookeeper.backup-$(date +%Y%m%d%H%M%S)

4. Modify the version of the mirror corresponding to the flink service in the flink.yaml file.

   flink:
     image: nocoly/flink:<version>

5. Restart Flink service.

   Stop first

   docker stack rm flink

   Start again when the flink container is not seen in dcoker ps

   docker stack deploy -c flink.yaml flink

6. Reopen/publish the task in the synchronization task list. 💥 💥 💥