[KAFKA-7880] KafkaConnect should standardize worker thread name

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.2.0
• Component/s: connect
• Labels: kafka-connect
• Assignee: YeLiang
• Reporter: YeLiang
• Created: 29/Jan/19 05:35
• Updated: 08/Mar/19 18:11
• Resolved: 05/Mar/19 00:05

Description

KafkaConnect will create a WorkerTask for tasks assigned to it and then submit tasks to a thread pool.

However,the Worker class initializes its thread pool using a default ThreadFactory.So the thread name will have a pattern pool-[0-9]-thread-[0-9].

When we are running KafkaConnect and find that one of the task thread is under high CPU usage, it is difficult for us to find out which task is under high load becasue when we print out the stack of KafkaConnect, we can only see a list of threads name pool-[0-9]-thread-[0-9] even if we can know the exact pid of the high CPU usage thread

If worker threads name will be named like connectorName-taskId, it will be very helpful

Issue Links

• links to: GitHub Pull Request #6275