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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8611) CS waits indefinitely for CheckS2SVpnConnectionsCommand to return
Date Fri, 08 Apr 2016 01:17:25 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15231462#comment-15231462
] 

ASF GitHub Bot commented on CLOUDSTACK-8611:
--------------------------------------------

Github user rafaelweingartner commented on the pull request:

    https://github.com/apache/cloudstack/pull/1459#issuecomment-207159853
  
    That is great.
    Shouldn't you also verify if the sleep method is being used? If we remove that (the sleep),
will the code continue to work as it is now?


> CS waits indefinitely for CheckS2SVpnConnectionsCommand to return
> -----------------------------------------------------------------
>
>                 Key: CLOUDSTACK-8611
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8611
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Likitha Shetty
>            Assignee: Suresh Kumar Anaparti
>             Fix For: 4.6.1
>
>
> On one instance, CS began to execute CheckS2SVpnConnectionsCommand command on a router
but the command result was never returned to the MS. If a command never returns, then 'DirectAgent'
thread executing this command is blocked indefinitely and cannot pick up any other request.
> Now since this command is designed to execute in sequence on a host and is run regularly,
every execution of that command thereafter on that particular host ended up picking up a DirectAgent
thread and waiting for the previous execution to complete. And hence overtime, the host ended
up using and blocking all 'DirectAgent' threads indefinitely.



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