[jira] Commented: (DIRMINA-790) 2.0.0M6 + 2.0.0RC1: Win7 performance issue

["Alex C. (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRMINA-790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973617#action_12973617 ] 

Alex C. commented on DIRMINA-790:
---------------------------------

If I now as the acceptor for it's receive buffer size, I get -1 instead of 8192?!

----
NioSocketAcceptor acceptor = new NioSocketAcceptor();
System.out.println(acceptor.getSessionConfig().getReceiveBufferSize());
----

Is this the expected behavior?

> 2.0.0M6 + 2.0.0RC1: Win7 performance issue
> ------------------------------------------
>
>                 Key: DIRMINA-790
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-790
>             Project: MINA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-RC1
>         Environment: WinXP SP3 with disabled Firewall + Virusscanner, Win7 64bit with disabled Virusscanner and Firewall, Win7 32bit with absolutely no virusscanner and with disabled firewall, all Systems with 32bit JRE6U20
> Ubuntu Linux 64bit mit JRE6U20 64bit
>            Reporter: Alex C.
>            Assignee: Emmanuel Lecharny
>            Priority: Blocker
>             Fix For: 2.0.2
>
>         Attachments: MINASocketTransfer.zip
>
>
> Hi there,
> I've written a kind of RMI replacement uses MINA for network communication layer that is also able to transfer files very fast (without reflection and complex serialisation stuff). One of my customers faced a performance problem as soon as the receiving application part is running in Win7.
> I tried to create an reproducer: 
> First I wrote a small test application using Java IO that simply transfers 1.000.000 bytes of random data from a client to a server. That's very fast. It doesn't matter if I try on localhost, or from WinXP->Win7 oder Win7->WinXP. Even Linux->Win7 is fast.
> Then I wrote the same kind of application with mina. No additional codec, nothing complex. I just transfer 100 IoBuffers with 10.000 bytes each from A to B.
> If I run the application on WinXP via localhost, it's very fast. <1sec runtime.
> If I run client and server in Win7, it's f*cking slow. Takes >1min to complete. 
> Please find attached the test application.
> Just extract and run:
> java -cp MINASocketTransfer.jar;./lib/* minasockettransfer.Client <IP or Hostname of Server>
> java -cp MINASocketTransfer.jar;./lib/* minasockettransfer.Server
> The lib folder contains 2.0.0M6 and 2.0.0RC1. To switch from the one to the other version, simple "move" the tailing "_" to exclude the specified lib from classpath.
> Java-Source files are included in the MINASocketTransfer.jar ...
> I tested it with 2.0.0M6 and 2.0.0RC1. It's reproducible with both versions.

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