[jira] [Resolved] (SSHD-135) The performance of uploading and downloading files in SFTP subsystem is very poor.

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet resolved SSHD-135.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.6.0
         Assignee: Guillaume Nodet

Committing to https://svn.apache.org/repos/asf/mina/sshd/trunk ...
	M	sshd-core/src/main/java/org/apache/sshd/server/sftp/SftpSubsystem.java
	M	sshd-core/src/test/java/org/apache/sshd/SftpTest.java
Committed r1163306


> The performance of uploading and downloading files in SFTP subsystem  is very poor.
> -----------------------------------------------------------------------------------
>
>                 Key: SSHD-135
>                 URL: https://issues.apache.org/jira/browse/SSHD-135
>             Project: MINA SSHD
>          Issue Type: Improvement
>    Affects Versions: 0.5.0
>         Environment: OS: Windows 7 
> JDK:
> java version "1.6.0_26"
> Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
> Java HotSpot(TM) Client VM (build 20.1-b02, mixed mode, sharing)
>            Reporter: Liu Tao
>            Assignee: Guillaume Nodet
>             Fix For: 0.6.0
>
>         Attachments: sftp.patch
>
>
> When I use  FileZilla to upload a big file to the Mina Sftpd, the speed is only 30K/S.
> The main reason is that the file is opened and closed frequently when SftpSubsystem handles SSH_FXP_WRITE message.

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