[HBASE-20972] Fix call queue buffer size leaking bug

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 2.1.0, 2.0.0, 2.2.0
• Component/s: IPC/RPC
• Assignee: Xiaolin Ha
• Reporter: Xiaolin Ha
• Created: 30/Jul/18 02:46
• Updated: 09/Aug/18 05:31
• Resolved: 09/Aug/18 04:08

Description

Call queue size is the currently queued and running Calls bytes size. It gets incremented after we parse a call and before we add it to the queue of calls for the scheduler to use. It get decremented after we have 'run' the Call.

When setting up a call, total size of it is added. So when a new call can not be dispatched by BlockingQueue full, the call queue size should be decremented. We shouldn't add size of rejected calls to the call queue size.

Issue Links

• links to: Review Board (branch-2.0)