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https://issues.apache.org/jira/browse/DRILL-5994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287766#comment-16287766
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ASF GitHub Bot commented on DRILL-5994:
---------------------------------------
Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/1069#discussion_r156403329
--- Diff: exec/java-exec/src/main/resources/drill-module.conf ---
@@ -377,7 +377,9 @@ drill.exec: {
# refresh time.
grace_period_ms : 0,
//port hunting for drillbits. Enabled only for testing purposes.
- port_hunt : false
+ port_hunt : false,
+ // Max threads of embedded Jetty
+ webserver.threadpool_max: 200
--- End diff --
Please add underscores: `web_server.thread_pool_max`
> 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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