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From "Arina Ielchiieva (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5994) Cannot start web server on a machine with more than 200 cores
Date Wed, 13 Dec 2017 10:09:07 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arina Ielchiieva updated DRILL-5994:
------------------------------------
    Issue Type: Improvement  (was: Bug)

> 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: Improvement
>    Affects Versions: 1.11.0
>            Reporter: Mitchel Labonte
>            Assignee: Arina Ielchiieva
>            Priority: Minor
>             Fix For: 1.13.0
>
>
> 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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