[KYLIN-5538] JobServer线程泄露

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: v4.0.0, v4.0.1, v4.0.2, v4.0.3
• Component/s: Job Engine
• Assignee: Unassigned
• Reporter: Liu Zhao
• Created: 27/Apr/23 08:40
• Updated: 28/Apr/23 10:54

Description

发现kylin4在build job后都会重新new Broadcaster，Broadcaster构造器中会创建一个线程池然后执行任务不停的take广播事件。这个会导致每次构建完job都会创建线程，同时线程也会阻塞在takeFirst处，时间推移服务会不可用。