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From "Robbie Gemmell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-3322) Can not enable Mina IO throttling
Date Sun, 26 Jun 2011 14:38:47 GMT

    [ https://issues.apache.org/jira/browse/QPID-3322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13055091#comment-13055091
] 

Robbie Gemmell commented on QPID-3322:
--------------------------------------

Hi Danushka,

Are you using the ProtectIO feature, or did you just notice this bug whilst investigating
some of the other issues in the configuration?

I ask as I happen to have recently removed the feature entirely during some work I am currently
doing. For varying reasons it appears it hasn't been possible to enable this feature in at
least the last 6 Qpid releases if not more, going back to 2007 if not earlier. It seems to
be completely untested and investigating the subject suggested it was disabled in that timeframe
as a result of causing errors during use. The implementation also seems less than ideal, blocking
threads in the shared processing thread pool. Similar functionality was it seems eventually
incorporated into newer versions of Mina (which we cant currently use, also working on that...),
so it might warrant re-examination as and when we can use those but for now its firmly on
my list of untested functionality noone is/can be/should be using that we should actually
just remove to make the code base more healthy and managable.

> Can not enable Mina IO throttling
> ---------------------------------
>
>                 Key: QPID-3322
>                 URL: https://issues.apache.org/jira/browse/QPID-3322
>             Project: Qpid
>          Issue Type: Bug
>            Reporter: Danushka Menikkumbura
>            Assignee: Robbie Gemmell
>         Attachments: QPID-3322.patch
>
>


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