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https://issues.apache.org/jira/browse/SSHD-164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guillaume Nodet resolved SSHD-164.
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Resolution: Fixed
Fix Version/s: 0.7.0
Assignee: Guillaume Nodet
Patch applied with many thanks. I've raised the default value a bit too.
> Allow the buffer size for the IO pumps to be configurable in
> InvertedShellWrapper
> ---------------------------------------------------------------------------------
>
> Key: SSHD-164
> URL: https://issues.apache.org/jira/browse/SSHD-164
> Project: MINA SSHD
> Issue Type: Improvement
> Affects Versions: 0.6.0
> Reporter: Pierre
> Assignee: Guillaume Nodet
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: SSHD-164.patch
>
>
> InvertedShellWrapper uses by default a buffer of 512 bytes to copy the
> input/output/error streams from the shell to the socket. For some
> applications, this is way too low, as for example, copying 1MB from the
> process output to the socket is going to require in the 2048 loop iterations
> in the IO pump thread.
> For example, in our tests, switching the buffer size from 512 bytes to
> 32kBytes, on the transmission of 830Mb leads to an improvement from 1m30s for
> the 512b buffer to 1m15s for the 32k buffer, saving of 1/6th of the overall
> transmission time.
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