Kunal Khatua created DRILL-6477:
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Summary: Drillbit hangs/crashes with OOME Java Heap Space for a
large query through WebUI
Key: DRILL-6477
URL: https://issues.apache.org/jira/browse/DRILL-6477
Project: Apache Drill
Issue Type: Bug
Components: Web Server
Affects Versions: 1.13.0
Reporter: Kunal Khatua
Assignee: Kunal Khatua
Fix For: 1.14.0
For queries submitted through the WebUI and retrieving a large resultset, the
Drillbit often hangs or crashes due to the (foreman) Drillbit running out of
Heap memory.
This is because the Web client translates the resultset into a massive object
in the heap-space and tries to send that back to the browser. This results in
the VM thread actively trying to perform GC if the memory is not sufficient.
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