[jboss-jira] [JBoss JIRA] (WFCORE-2066) Kill and destroy operations on the server-group

[Brian Stansberry (JIRA)]

    [ https://issues.jboss.org/browse/WFCORE-2066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627361#comment-13627361 ] 

Brian Stansberry commented on WFCORE-2066:
------------------------------------------

[~ahoffer] Re: the difference between 'kill' and 'destroy' here's a good summary from [~claudio4j] that I saw:

{quote}
About the difference between kill and destroy:

Short answer: "destroy" calls the internal syscall "kill -9" from native JDK. "kill" calls the command line "kill -9", if it is not available, it internally calls the previous "destroy". 
If the user just wants to forcibly terminates the process, use "kill"

kill: If there is a "kill" command on the OS (unix has "kill", windows has "taskkill"), this command will be called to forcibly kill the process with kill -9 (SIGKILL on linux) and /f (windows). If the "kill" command is not available on the OS, then the "destroy" is called on the process. 
destroy: JDK provides an implementation to forcibly destroy the process, it will vary on each OS, on linux it call "kill" kernel api (the same as the above kill command) with SIGKILL signal, this is the same as calling the kill -9.
{quote}

I mildly regret that we have both 'kill' and 'destroy' as the distinction is quite esoteric. It's one of those things from back in the early history of AS 7 that still lives on for compatibility reasons.

> Kill and destroy operations on the server-group
> -----------------------------------------------
>
>                 Key: WFCORE-2066
>                 URL: https://issues.jboss.org/browse/WFCORE-2066
>             Project: WildFly Core
>          Issue Type: Feature Request
>          Components: Management
>            Reporter: Brian Stansberry
>            Assignee: Yeray Borges
>              Labels: domain-mode
>             Fix For: 4.0.0.Alpha3
>
>
> The server-config resources expose kill and destroy operations; it would be useful to have these on the server-group as well. If some problem (e.g. a bad deployment) is causing all servers in the group to hang it is nice to be able to kill/destroy them in one op versus having to identify all members and kill them individually.



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