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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-7763) [Java Broker] Flow to disk if allocated direct memory exceeds broker wide broker.flowToDiskThreshold
Date Wed, 03 May 2017 16:00:07 GMT

    [ https://issues.apache.org/jira/browse/QPID-7763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995132#comment-15995132
] 

ASF subversion and git services commented on QPID-7763:
-------------------------------------------------------

Commit ed320c2242d4584bc6b2eaf253c91856f546e318 in qpid-broker-j's branch refs/heads/6.1.x
from [~lorenz.quack]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-broker-j.git;h=ed320c2 ]

QPID-7763: [Java Broker] Avoid allocating large non-pooled direct byte buffers in WebSocketProvider,
MemoryMessageStore, and message inflation


> [Java Broker] Flow to disk if allocated direct memory exceeds broker wide broker.flowToDiskThreshold
> ----------------------------------------------------------------------------------------------------
>
>                 Key: QPID-7763
>                 URL: https://issues.apache.org/jira/browse/QPID-7763
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Lorenz Quack
>
> Currently the broker.flowToDiskThreshold is compared against the size used by messages
on queues.
> However, the intent was to have a mechanism for preventing the broker going out of direct
memory. For this it is much more interesting to observe how much direct memory the QpidByteBuffers
use. The two numbers can easily differ since the QBB can be sparsely populated. 



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