[IGNITE-10959] Memory leaks in continuous query handlers

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.7
• Fix Version/s: 2.9
• Assignee: Maxim Muzafarov
• Reporter: Denis Mekhanikov
• Created: 16/Jan/19 17:11
• Updated: 13/Jul/20 07:32
• Resolved: 13/Jul/20 07:32

Description

Continuous query handlers don't clear internal data structures after cache events are processed.

A test, that reproduces the problem, is attached.

Issue Links

• is related to: IGNITE-4029 Local ContinuousQueries on PARTITIONED caches may await for previously rejected events
• is related to: IGNITE-9128 Continuous query handlers don't clean up after cache was stopped.
• relates to: IGNITE-11970 Excessive use of memory in continuous queries
• relates to: IGNITE-13126 Refactor of Continuous Query buffers to reduce heap usage
• links to: GitHub Pull Request #7881