[teiid-issues] [JBoss JIRA] (TEIID-4029) After terminating long running queries remains CPU load > 100% on JBoss java process

[Colin Mondesir (JIRA)]

Colin Mondesir created TEIID-4029:
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             Summary: After terminating long running queries remains CPU load > 100% on JBoss java process
                 Key: TEIID-4029
                 URL: https://issues.jboss.org/browse/TEIID-4029
             Project: Teiid
          Issue Type: Bug
          Components: Server
    Affects Versions: 8.7.4
            Reporter: Colin Mondesir
            Assignee: Steven Hawkins
             Fix For: 8.12.x


Once the request is submitted the CPU% load on the server remains > 100% despite cancelling the request and terminating the session. The only way I have found to bring the %CPU back to "normal" is to re-start the JDV instance.


1. Created two files file1.csv (1M rows) and file2.csv (1M rows)
2. Created two source and view models and VDB
SQL statement is a carthesion product
3. Deploy VDB
4. select * from combinedcsv from SQL scrapbook on cancelLongRunningQueries VDB
5. Goto admin console 
6. Go to the cancelLongRunningQueries VDB
7. Goto tab Requests and select Terminate
8. Goto tab Sessions and select Terminate JDBC session
9. CPU% load on JBoss java process remains > 100%



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