[FLINK-10996] Enable state ttl in cep

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.7.1
• Component/s: Library / CEP
• Labels: pull-request-available
• Assignee: WenJun Min
• Reporter: WenJun Min
• Created: 23/Nov/18 08:49
• Updated: 02/Oct/19 17:45
• Resolved: 25/Feb/19 12:32

Description

In flink cep, although the within clause can clean up the data when data is expire. But If the specific key data never come again, the partial matched data will not be deleted again which will lead to the state leak. With the state ttl feature support by flink runtime, we has the ability to expire the correlative data asyncly .

Issue Links

• links to: GitHub Pull Request #7543