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https://issues.apache.org/jira/browse/SSHD-1044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17166828#comment-17166828
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barry-gq commented on SSHD-1044:
--------------------------------

After checking my code and turning on the debug mode, I found that I created a 
DefaultSftpClient, and when I transferred the file, I called the 
SftpRemotePathChannel::doWrite method to write the content. I don’t know if 
this is correct, but these are allSome default construction methods of version 
2.5.1

!image-2020-07-29-10-56-20-207.png!

Then I found that I did not use these two classes/methods at the breakpoints of 
SftpOutputStreamAsync and SftpClient.openRemoteFileChannel construction 
methods/methods. It may be a problem with my use, but I did not find relevant 
information.Looking forward to your reply

> How to improve sftp transfer speed
> ----------------------------------
>
>                 Key: SSHD-1044
>                 URL: https://issues.apache.org/jira/browse/SSHD-1044
>             Project: MINA SSHD
>          Issue Type: Question
>            Reporter: barry-gq
>            Assignee: Guillaume Nodet
>            Priority: Blocker
>         Attachments: image-2020-07-29-10-56-20-207.png
>
>
> *Phenomenon*:
>       In my project, I used mina sftp version 2.4.0. When my project created 
> a sshdServer and connected to a linux device using the sftp protocol, the 
> speed was very slow when performing file transfer (upload) operations, About 
> one-tenth the speed of connecting the same device with filezilla and 
> uploading the same file
> *Question:*
>       Is there any configuration in mina sftp 2.4.0 to increase the speed of 
> file transfer
>  
> *I look forward to your reply, thank you!*
>  



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