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From "prashant kumar mishra (JIRA)" <>
Subject [jira] [Created] (CLOUDSTACK-2820) Global parameter "network.throttling.rate" is not controlling data transfer rate
Date Mon, 03 Jun 2013 12:35:19 GMT
prashant kumar mishra created CLOUDSTACK-2820:

             Summary: Global parameter "network.throttling.rate" is not controlling data transfer
                 Key: CLOUDSTACK-2820
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server, XenServer
    Affects Versions: 4.2.0
         Environment: Hypervisor XS 6.1

            Reporter: prashant kumar mishra
             Fix For: 4.2.0

Virtual router's interfaces are getting QOS based on GP "network.throttling.rate" value  but
in actual there is no control on data transfer rate.

Steps to rep 
1-Set GP "network.throttling.rate" to some value say 3 Mb/s;restart MS
2-down load a file in VR
3-copy file from vm to some location using rsunc/scp
Transfer rate should not be more that 3Mb/s

i see transfer rate 15.50 MB/sec

My observation
I manually set  transfer rate to 100KB/s on VR interface ,saw same issue.Looks like Xenserver

root@r-3858-VM:~# rsync -avzSP acton-systemvm-02062012.vhd.bz2
The authenticity of host ' (' can't be established.
RSA key fingerprint is a8:2a:cb:0f:f9:3f:41:eb:b1:b5:a6:4b:59:0c:df:39.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '' (RSA) to the list of known hosts.
root@'s password:
sending incremental file list
   140616708 100%   15.50MB/s    0:00:08 (xfer#1, to-check=0/1)

sent 140664010 bytes  received 31 bytes  9075099.42 bytes/sec
total size is 140616708  speedup is 1.00

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