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From "Stu Hood (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3005) OutboundTcpConnection's sending queue grows unboundedly without any backpressure logic
Date Wed, 26 Oct 2011 22:11:33 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136485#comment-13136485
] 

Stu Hood commented on CASSANDRA-3005:
-------------------------------------

We experienced a bit of cascading on a high-write-throughput cluster that likely would have
been alleviated by this, so one of us will be getting back on it soon.
                
> OutboundTcpConnection's sending queue grows unboundedly without any backpressure logic
> --------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-3005
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3005
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Melvin Wang
>            Assignee: Melvin Wang
>         Attachments: c3005-v2, c3005.patch
>
>
> OutboundTcpConnection's sending queue unconditionally queues up the request and process
them in sequence. Thinking about tagging the message coming in with timestamp and drop them
before actually sending it if the message stays in the queue for too long, which is defined
by the message's own time out value.

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