[jboss-jira] [JBoss JIRA] (WFLY-1247) graceful shutdown

[Stuart Douglas (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-1247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12959529#comment-12959529 ] 

Stuart Douglas commented on WFLY-1247:
--------------------------------------

So I have just been thinking a bit about how to implement this, and from a technical level I don't think it will be too hard. The important part is to control all the points at which a request can enter the server.
I think the management API should look something like:
Server Level:
Add a timeout parameter to the :shutdown command. If this is larger than zero then a graceful shutdown will be performed, with a timeout as specified.
Add :pause and :resume operations. These operations will allow you to halt all request processing without actually shutting it down. This could allow administrators to then make changes without requests in progress.
Add some kind of server state attribute that allows you to read the server shutdown state (RUNNING, SHUTTING_DOWN, PAUSING, PAUSED).
Deployment Level:
Add a timeout parameter to the :undeploy command, that allows a deployment to be gracefully undeployed
Add a :pause and :resume operations to a deployment to allow requests to a deployment to be halted.
Add some kind of deployment state attribute that allows you to read the deployment shutdown state (RUNNING, UNDEPLOYING, PAUSING, PAUSED).
                
> graceful shutdown
> -----------------
>
>                 Key: WFLY-1247
>                 URL: https://issues.jboss.org/browse/WFLY-1247
>             Project: WildFly
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Domain Management
>            Reporter: Emanuel Muckenhuber
>            Assignee: Stuart Douglas
>
> We need to define a clear contract between these networking services and the services that use them in order to be able to perform a graceful shutdown of remote connectors.

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