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https://issues.apache.org/jira/browse/SSHD-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17179970#comment-17179970
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min yun law commented on SSHD-1049:
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[~gnodet], based on the log in sshd with DEBUG3, I think somehow releated the
rekey thing for file >1g. I use "scpClient.upload()" which I saw from SSHD log
that SCP will send rekey. But when using SFTP, since I use above "sftpCopy()"
which just send data to the SSHD channel. So how mina sftp interally send rekey
package? or I have to send package type 20?
> comparison between SftpClient and sftp comand in Windows10
> ----------------------------------------------------------
>
> Key: SSHD-1049
> URL: https://issues.apache.org/jira/browse/SSHD-1049
> Project: MINA SSHD
> Issue Type: Question
> Affects Versions: 2.5.1
> Environment: windows10
> centos 7
> Reporter: Tsing Wang
> Priority: Minor
>
> # try with the latest version 2.5.1
> # comparison test
> ## method 1: using cmd.exe in windows, sftp username@host, then put large
> file, it displays about 70-80M/s
> ## method 2: using the performance test class in github
> (SftpPerformanceTest), cal t1-t0. for 100MB file, it takes about 5s to
> finish. So the rate will close to 20M/s - 30M/s, it do improve with old one(
> speed up about 3 times).
> the test result's throughput is about 1/3 compared with sftp command, so I am
> curious about what's limit for sftpclient.
>
> Also I setup a simple sshd server in target linux machine, the upload rate is
> also about 1/3. I wonder what's expect for sftp performance.
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