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Posted to dev@mina.apache.org by "Sreedhar J (Jira)" <ji...@apache.org> on 2022/04/30 16:27:00 UTC

[jira] [Commented] (SSHD-1265) maximum number of concurrent connections to SFTP Server?

    [ https://issues.apache.org/jira/browse/SSHD-1265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530420#comment-17530420 ] 

Sreedhar J commented on SSHD-1265:
----------------------------------

At the client side ( Jmeter ) , I see  read time out error.
2022-04-30 21:43:46,295 ERROR o.a.j.p.s.s.AbstractSSHSampler: SSH connexion error
com.jcraft.jsch.JSchException: Session.connect: java.net.SocketTimeoutException: Read timed out
	at com.jcraft.jsch.Session.connect(Session.java:565) ~[jsch-0.1.55.jar:?]
	at org.apache.jmeter.protocol.ssh.sampler.AbstractSSHSampler.connect(AbstractSSHSampler.java:74) [ApacheJMeter_ssh-1.2.0.jar:?]
	at org.apache.jmeter.protocol.ssh.sampler.SSHSFTPSampler.sample(SSHSFTPSampler.java:73) [ApacheJMeter_ssh-1.2.0.jar:?]
	at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:638) [ApacheJMeter_core.jar:5.4.1]
	at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:558) [ApacheJMeter_core.jar:5.4.1]
	at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:489) [ApacheJMeter_core.jar:5.4.1]
	at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:256) [ApacheJMeter_core.jar:5.4.1]
	at java.lang.Thread.run(Thread.java:818) [?:2.9 (08-02-2019)]




> maximum number of concurrent connections to SFTP Server?
> --------------------------------------------------------
>
>                 Key: SSHD-1265
>                 URL: https://issues.apache.org/jira/browse/SSHD-1265
>             Project: MINA SSHD
>          Issue Type: Question
>            Reporter: Sreedhar J
>            Priority: Major
>
> as part of my performance test, I am sending 180 concurrent requests to Apache SFTP Server, but I can got the test completed.  around 10 to 15 requests gets timed out.   Are there any known tuning properties on the SSHD/SFTP Server  which increases the concurrent connecttion request processing.
> Also, Anyone has some data around max concurrent connections?  



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