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From "Brandon Williams (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3590) Use multiple connection to share the OutboutTCPConnection
Date Fri, 09 Dec 2011 03:05:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165801#comment-13165801
] 

Brandon Williams commented on CASSANDRA-3590:
---------------------------------------------

bq. 1) This can become a bottleneck in some cases where the latencies are higher.

I think we should see how CASSANDRA-3378 works out before jumping to this level of complexity.

bq. by making it a configurable option to configure the number of connections and also making
the queue common to those connections

I think this might get hairy with regard to protocol versioning, since OTC is where it is
always set.
                
> Use multiple connection to share the OutboutTCPConnection
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-3590
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3590
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>             Fix For: 1.1
>
>
> Currently there is one connection between any given host to another host in the cluster,
the problem with this is:
> 1) This can become a bottleneck in some cases where the latencies are higher.
> 2) When a connection is dropped we also drop the queue and recreate a new one and hence
the messages can be lost (Currently hints will take care of it and clients also can retry)
> by making it a configurable option to configure the number of connections and also making
the queue common to those connections the above 2 issues can be resolved.

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