[jboss-jira] [JBoss JIRA] (WFLY-315) Avoid running out of threads when connecting to the DC from a slave to pull down missing data

[Emanuel Muckenhuber (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emanuel Muckenhuber reassigned WFLY-315:
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    Assignee: Emanuel Muckenhuber  (was: Kabir Khan)

    
> Avoid running out of threads when connecting to the DC from a slave to pull down missing data
> ---------------------------------------------------------------------------------------------
>
>                 Key: WFLY-315
>                 URL: https://issues.jboss.org/browse/WFLY-315
>             Project: WildFly
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Domain Management
>            Reporter: Kabir Khan
>            Assignee: Emanuel Muckenhuber
>             Fix For: 8.0.0.CR1
>
>
> For WFLY-259 when a slave connects to the DC to pull down missing data, it does this by either getting a lock for the DC, or by joining the permit of the existing DC lock if the request to update a slave's server-config was executed as part of a composite obtaining a lock on the DC.
> The way it works at present there is a thread per slave which is blocked until the transaction completes. The DC threads are a finite resource, so a large number of slaves trying to pull down dats will cause deadlock

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