[zeromq-dev] Java on windows issue

[Tamara Kustarova]

Robin Weisberg napsal(a):

You can set the pgm maximum transmit/receive rate in file config.hpp 
(libzmq/zmq/config.hpp).
The default setting there was 10Mb/s, so the results you got were quite 
reasonable.
You can set it up to 1Gb/s.

Tamara



> Thanks tamara, I guess I was confused because the thr tests have the 
> reverse start order.
>
> I have had some success running the PGM from java on windows, although 
> the throughput for pgm is very low for both the c++ --> java and the 
> out of the box c++ to c++ tests I've run (around 9Mb/s). The java 
> j_local_thr test yields 108Mb/s using the same 2 machines.
>
> Are there any particular tunables I should know about? Is this to be 
> expected on windows? I don't see any significant cpu/network usage.
>
> Thanks!
> Robin
>
> Some output:
> The PGM version
> S:\Software\zmq-1.0.0\perf>pgm_remote_thr.exe wimp 
> "192.168.0.200;226.0.0.1:7500 <http://226.0.0.1:7500>" 100 100000
> iface to connect to local_exchange: 192.168.0.200;226.0.0.1:7500 
> <http://226.0.0.1:7500>
> message size: 100 [B]
> message count: 100000
> Your average throughput is 11830 [msg/s]
> Your average throughput is 9 [Mb/s]
>
> The other command line I'm using for the pgm_local_thr
> C:\zmq-1.0.0\perf>pgm_local_thr wimp "192.168.0.195;226.0.0.1:7500 
> <http://226.0.0.1:7500>"  100 100000
> local_exchange network: zmq.pgm://192.168.0.195 
> <http://192.168.0.195>;226.0.0.1:7500 <http://226.0.0.1:7500>
> message size: 100 [B]
> message count: 100000
> Start pgm_remote_thr on remote host and pres enter to continue.
>
> Pres enter when pgm_remote_thr exits.
>
>
>
> The non PGM version in java is much faster
> C:\zmq-1.0.0\perf>java  -Djava.library.path=c:\zmq-1.0.0\java 
> -classpath c:\zmq-1.0.0\java;.\ j_local_thr localhost 192.168.0.195 
> 100 100000
> message size: 100 [B]
> message count: 100000
> Your average throughput is 136239[msg/s]
> Your average throughput is 108[Mb/s]
>
> On Tue, Jul 21, 2009 at 3:23 AM, Tamara Kustarova 
> <kustarova at fastmq.com <mailto:kustarova at fastmq.com>> wrote:
>
>     Hi Robin,
>
>     you should run the latency tests in the following order:
>     1. zmq_server
>     2. j_remote_lat
>     3. j_local_lat
>
>     About the java pgm - we haven't tried it, but there is no reason
>     why it shouldn't work.
>     We don't have any examples showing it, but we may create some
>     later on.
>     You can have a look at the pgm throughput tests, that use simple
>     pgm scenario.
>     If you come to any problems, just ask.
>
>     Tamara
>
>     Robin Weisberg napsal(a):
>
>         Hi folks, I'm trying to evaluate zmq to see if it will work
>         for a trading system we are building out. We would be using
>         linux servers w/ c/c++ and java gui running on windows. We
>         would want to use pgm primarily.
>
>         First a question, I know you have pgm support for c/c++ on
>         windows, I see the pgm_local_thr.exe example. Any reason pgm
>         wouldn't work for Java on windows? I dont' see a specific
>         example of it, so just asking before I jump in.
>
>         Regarding the issue, right now I'm trying to run a basic java
>         example on windows and it seems to instantly crash
>
>         C:\zmq-1.0.0\perf>echo %PATH%
>         C:\Program Files\Java\jdk1.6.0_14\bin;C:\
>         WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program
>         Files\Intel\DMIXc:\cygwin\bin;C:\Program Files\MySQL\MySQL
>         Server 5.1\bin;c:\zmq-1.0.0\bin
>
>         C:\zmq-1.0.0\perf>java -version
>         java version "1.6.0_14"
>         Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
>         Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode, sharing)
>
>         C:\zmq-1.0.0\perf>java -Djava.library.path=c:\zmq-1.0.0\java
>         -classpath c:\zmq-1.0.0\java;.\ j_local_lat localhost 1 10
>         message size: 1 [B]
>         roundtrip count: 10
>
>         At this point I get the windows popup saying your program has
>         crashed. I'm able to get the c/c++ versions
>         local_thr/pgm_local_thr and their remote counterparts to work
>         on the same machines and I can get the j_local_thr and its
>         remote counterpart to work too. This seems to be specific to
>         java and the latency test.
>
>         Below is some info on the error although I'm you will want
>         something more. I'm  running Windows XP SP3 and I've installed
>         the microsoft message queue stuff to support pgm (although
>         thats not what I'm testing here)
>
>         Thanks!
>         Robin
>
>
>         This is from the windows error message:
>         AppName: java.exe     AppVer: 6.0.140.8     ModName: msvcr90.dll
>         ModVer: 9.0.21022.8     Offset: 000731cf
>
>         ------------------------------------------------------------------------
>
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