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Date: Mon, 2 May 2016 22:02:12 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: cloudstack-issues@incubator.apache.org
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Subject: [jira] [Commented] (CLOUDSTACK-9348) CloudStack Server degrades
 when a lot of connections on port 8250
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archived-at: Mon, 02 May 2016 22:02:15 -0000


    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9348?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D15267589#comment-15267589 ]=20

ASF GitHub Bot commented on CLOUDSTACK-9348:
--------------------------------------------

Github user swill commented on the pull request:

    https://github.com/apache/cloudstack/pull/1493#issuecomment-216378613
 =20
    Thank you @kiwiflyer.  =F0=9F=91=8D=20
   =20
    @rhtyd can you force push this PR again to try to get Jenkins green?  T=
hanks...  Otherwise this one is ready...


> CloudStack Server degrades when a lot of connections on port 8250
> -----------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9348
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-934=
8
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the defa=
ult.)=20
>            Reporter: Rohit Yadav
>            Assignee: Rohit Yadav
>             Fix For: 4.9.0
>
>
> An intermittent issue was found with a large CloudStack deployment, where=
 servers could not keep agents connected on port 8250.
> All connections are handled by accept() in NioConnection:
> https://github.com/apache/cloudstack/blob/master/utils/src/main/java/com/=
cloud/utils/nio/NioConnection.java#L125
> A new connection is handled by accept() which does blocking SSL handshake=
. A good fix would be to make this non-blocking and handle expensive tasks =
in separate threads/pool. This way the main IO loop won't be blocked and ca=
n continue to serve other agents/clients.


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