This document has not been formally reviewed for accuracy and is provided "as is" for your convenience.
Summary
Fix
1.First thing to do, delete the flink.hprof files located in $PMDB_HOME/log,
if there are any.
2. Stop the following services located in /etc/init.d directory:
HPE_PMDB_Platform_Orchestration
HPE_PMDB_Platform_Jobmanager
HPE_PMDB_Platform_Taskmanager
3. Make sure no other processes are running with below command:
ps -ef | grep -i flink
- If there is any, kill it:
kiil -9 PID
4. Perform the following actions to restart Flink:
- Clean up the content of the folder: $PMDB_HOME/data/etl_state/checkpoint
- Clean up the content of the folder: $PMDB_HOME/data/etl_state/savepoint
- Delete all the files in $PMDB_HOME/collect/temp/lock
- Delete the folders only with “flink-io” pattern from $PMDB_HOME/temp dir
5. Restart the services in below order:
HPE_PMDB_Platform_Orchestration
HPE_PMDB_Platform_Jobmanager
HPE_PMDB_Platform_Taskmanager
6. Wait for around 5 mins and check whether flink is properly running with the command - $PMDB_HOME/../Flink/bin/flink list