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https://issues.apache.org/jira/browse/SSHD-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981725#comment-15981725
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Guillaume Nodet commented on SSHD-742:
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So the graph you show leads to roughly 6.000 req/sec for a single client.
Given the additional layers (encryption, mac computation, etc...),I'm not sure
what you really expect here.
One good comparison would be to replicate the test with a native ssh client /
server to see how much requests you can have, that could be a good point of
comparison, but comparing http to ssh is like comparing apple and oranges ;-)
> Are there any ways to improve performance?
> ------------------------------------------
>
> Key: SSHD-742
> URL: https://issues.apache.org/jira/browse/SSHD-742
> Project: MINA SSHD
> Issue Type: Question
> Affects Versions: 1.4.0
> Environment: https://github.com/maseev/sshd-echo
> Reporter: Miron Aseev
> Priority: Minor
>
> I created a simple client-server application (see the environment section)
> that uses MINA SSHD library, just to test the performance. I was quite
> disappointed because the throughput was particularly low - 2400 requests per
> second on average on localhost.
> According to Java Flight Recorder, the application spends most of its time in
> ChannelPipedInputStream/ChannelPipedOutputStream on different monitor objects.
> Is there any way I can improve the performance? The documentation is kinda
> sparse and doesn't mention any tuning suggestions. Maybe I can avoid using
> these piped streams somehow or set some parameters related to the transport
> layer?
> All suggestions are greatly appreciated.
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