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From "scott comer (JIRA)" <>
Subject [jira] Updated: (ETCH-10) runtimes cannot support a large number of connections
Date Tue, 27 Jan 2009 17:30:59 GMT


scott comer updated ETCH-10:

    Fix Version/s:     (was: 1.0.2)

> runtimes cannot support a large number of connections
> -----------------------------------------------------
>                 Key: ETCH-10
>                 URL:
>             Project: Etch
>          Issue Type: Improvement
>          Components: csharp-binding, java-binding
>    Affects Versions: 1.0.0, 1.0.1
>            Reporter: scott comer
>            Assignee: scott comer
> each connection consumes some dedicated buffer space and a thread, thus the number of
connections supported is limited by those resources. in a practical sense, to a few hundred
or thousand by threads, and a somewhat higher number by buffers.
> a new scheme is needed based on shared buffer pools and selectors. in this way the number
of threads needed to manage thousands of connections is reduced to a few hundred, and the
size of the buffer pool is just what is needed to handle the needs of the current traffic.
> this gives approximately 32,000 connections on a windows xp pro with 2 gb, and around
75,000 connections on a windows 2k3 server with 4 gb. different but similar numbers will be
possible with linux.

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