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From "Jayapal Reddy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-2433) Enable rps and rfs support on virtual router.
Date Tue, 16 Jul 2013 12:26:49 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-2433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13709709#comment-13709709
] 

Jayapal Reddy commented on CLOUDSTACK-2433:
-------------------------------------------

Please find the below test results for the RPS/RFS.
Created the VR with 4 cores and 1 MB RAM.
netperf command:
 netperf -H 10.146.0.134 -l 60  -n 4

netserver is running two hosts 10.146.0.134 and 10.147.59.206.
>From the VR run netperf command to send traffic to two netservers parallel.
With the basic tests I could not see big difference in the results. 
Run the netperf command by changing the various options but in my test setup I did not much
difference.

With RPS/RFS enable 
==================
echo f > /sys/class/net/eth0/queues/rx-0/rps_cpus
echo 256 > /proc/sys/net/core/rps_sock_flow_entries
echo 256 > /sys/class/net/eth0/queues/rx-0/rps_flow_cnt

TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.147.59.206 (10.147.59.206) port
0 AF_INET : demo
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.146.0.134 (10.146.0.134) port
0 AF_INET : demo
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.02     423.40
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.81       8.20


With RPS/RFS DISABLE:
===================

TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.146.0.134 (10.146.0.134) port
0 AF_INET : demo
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.147.59.206 (10.147.59.206) port
0 AF_INET : demo

root@systemvm:~# Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
#!/bin/sh
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.03     394.06
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.96       8.19

                
> Enable rps and rfs support on virtual router.
> ---------------------------------------------
>
>                 Key: CLOUDSTACK-2433
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2433
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Network Devices
>    Affects Versions: 4.2.0
>            Reporter: Bharat Kumar
>            Assignee: Jayapal Reddy
>            Priority: Blocker
>             Fix For: 4.2.0
>
>


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