users@grizzly.java.net

Re: File upload loadtesting

From: Ryan Lubke <ryan.lubke_at_oracle.com>
Date: Tue, 10 May 2011 09:11:58 -0700

On 5/10/11 12:05 AM, gagansnt wrote:
> I am developing Grizzly based Fileserver which can handle large number of
> simultaneous file uploads. I have used the grizzly multipart-form upload
> sample code. In my testcase, I am uploading 30 files each of size 2GB. I am
> using 5 clients, so each is uploading 6 files.
>
> Following image is taken from the ksar report of my server. It shows that
> user cpu is has not gone beyond 10-15% and most of the time System cpu and
> I/O wait is happening. Can somebody please elaborate what might be happening
> inside the code.

Can you share how you have the Grizzly runtime configured?

> CPU utilization
> http://grizzly.1045725.n5.nabble.com/file/n4383816/ksar.png
>
> Following image shows the network traffic happening through eth0 card of my
> server.
> Interface traffic
> http://grizzly.1045725.n5.nabble.com/file/n4383816/interface_traffic.png
>
> --
> View this message in context: http://grizzly.1045725.n5.nabble.com/File-upload-loadtesting-tp4383816p4383816.html
> Sent from the Grizzly - Users mailing list archive at Nabble.com.