[jboss-jira] [JBoss JIRA] (WFLY-3337) Server should limit number of workers based on available FD's

[Tomaz Cerar (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-3337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tomaz Cerar updated WFLY-3337:
------------------------------

    Fix Version/s: 8.1.0.Final


> Server should limit number of workers based on available FD's
> -------------------------------------------------------------
>
>                 Key: WFLY-3337
>                 URL: https://issues.jboss.org/browse/WFLY-3337
>             Project: WildFly
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Web (Undertow)
>            Reporter: Stuart Douglas
>            Assignee: Tomaz Cerar
>             Fix For: 8.1.0.Final
>
>
> Each worker consumes at least 2 FD's for the temp selector, plus one for the active connection. If the FD limit is two low our auto scaling code should account for this and create less workers. 
> This should also print INFO messages for the auto turned values, and a WARN if the number had to be reduced due to the FD limit.
> The FD limit can be accessed through JMX:
> ManagementFactory.getOperatingSystemMXBean()
> attribute is called "MaxFileDescriptorCount"



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