Mitchel Labonte created DRILL-5994:
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Summary: Cannot start web server on a machine with more than 200
cores
Key: DRILL-5994
URL: https://issues.apache.org/jira/browse/DRILL-5994
Project: Apache Drill
Issue Type: Bug
Reporter: Mitchel Labonte
Priority: Minor
If the WebServer is launched on a machine that has more than 200 cores, you get
the following stack trace:
{noformat}
Exception in thread "main"
org.apache.drill.exec.exception.DrillStartupException: Failure during initial
startup of Drillbit:
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:313)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:289)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:285)
Caused by: java.lang.IllegalStateException: Insufficient max threads in
ThreadPool: max=200 < needed=206
at org.eclipse.jetty.server.Server.doStart(Server.java:321)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.drill.exec.server.rest.WebServer.start(WebServer.java:197)
at org.eclipse.drill.exec.server.Drillbit.run(Drillbit.java:140)
at org.eclipse.drill.exec.server.Drillbit.start(Drillbit.java:309)
... 2 more
{noformat}
The cause of this is that in the WebServer start method, a Server instance is
created with the default constructor, which initializes a QueuedThreadPool with
a default maxThreads value of 200, and there is no way to configure this value.
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