]
Steven Hawkins resolved TEIID-5631.
-----------------------------------
Resolution: Done
Addressed the issues listed above. Sampling now should be thread safe / non-blocking.
Issues with ThreadReuseExecutor
-------------------------------
Key: TEIID-5631
URL:
https://issues.jboss.org/browse/TEIID-5631
Project: Teiid
Issue Type: Bug
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Major
Fix For: 12.1
In looking at flattening the metrics there are a couple of issues with the
ThreadReuseExecutor:
1. The getStats method uses unsynchronized access to get the queue size.
2. The queue ordering prefers older work items to newer - even after repeated queuing.
3. Thread tracking could be more concurrent.