[FLINK-23314] State left behind for short lived keys

• Type: Bug
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.11.3, 1.14.0, 1.13.1, 1.12.4
• Component/s: Library / CEP
• Labels: auto-deprioritized-major auto-deprioritized-minor pull-request-available
• Assignee: Unassigned
• Reporter: Dawid Wysakowicz
• Created: 08/Jul/21 12:05
• Updated: 17/Feb/23 08:51

Description

As reported by a user in the ML if there are short-lived keys, which do not appear after some time, the CepOperator leaves some state behind for those keys leading to the state constantly growing.

https://lists.apache.org/thread.html/r23f11a652dac7921c0068fa94a3cabe0e52fadce3679c93f21aeb91e%40%3Cuser.flink.apache.org%3E

Issue Links

• links to: GitHub Pull Request #16431