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From "Vijay (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3590) Use multiple connection to share the OutboutTCPConnection
Date Fri, 09 Dec 2011 04:21:46 GMT


Vijay commented on CASSANDRA-3590:

I think more in parallel after retrieving from the queue are always better, specially with
all kinds of delay's introduced by the networks across the DC's/Public internet can make it
un-predictable, i will do some micro benchmark soon. Atleast will help the cases where there
frequent disconnects and we wont need to wait till the connection is established again.
> Use multiple connection to share the OutboutTCPConnection
> ---------------------------------------------------------
>                 Key: CASSANDRA-3590
>                 URL:
>             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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