Sorabh Hamirwasia created DRILL-6255:
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Summary: Drillbit while sending control message to itself creates
a connection instead of submitting locally
Key: DRILL-6255
URL: https://issues.apache.org/jira/browse/DRILL-6255
Project: Apache Drill
Issue Type: Bug
Components: Execution - Flow
Affects Versions: 1.12.0
Reporter: Sorabh Hamirwasia
Assignee: Sorabh Hamirwasia
Fix For: 1.14.0
With the new shutdown feature introduced in 1.12, there is a state introduced
in DrillbitEndpoint. Due to this the equality check happening
[here|https://github.com/apache/drill/blob/master/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentsRunner.java#L256]
will result in false and hence the fragments supposed to be scheduled on
Foreman will be treated as remote fragments and a connection will be created to
schedule it. The equality check is false because localEndpoint state is STARTUP
whereas state in assigned Drillbit is ONLINE.
I guess now we should update the equality check to verify just for address and
control port to be same between assigned and local Drillbit endpoint. A test
can be added for this based on _sys.memory_ table since that guarantees
scheduling minor fragments on each Drillbit node.
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