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https://issues.apache.org/jira/browse/CLOUDSTACK-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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venkata swamybabu budumuru closed CLOUDSTACK-1787.
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Closing the issue as per the comments from Hari.
> [network throttling] Virtual Router Guest & Public throttling rates are not
> working as expected
> -----------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-1787
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1787
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Network Controller
> Affects Versions: 4.2.0
> Environment: commit d7f9aa637ebc953928e3d601735bc01f6fcff828
> advanced zone with 1 xen cluster
> Reporter: venkata swamybabu budumuru
> Assignee: Harikrishna Patnala
> Fix For: 4.2.0
>
> Attachments: api.log.tgz, vmops.log.tgz
>
>
> Environment info :
> Global Settings :
> network.throttling.rate = 800 mbps (102400 kBytesps)
> vm.network.throttling.rate = 300 mbps (38400 kbps)
> service offering = host1.small2, network rate = 400 mbps (51200 kbps)
> (i) Create a network offering (in my case with name "Offering3Tag1")
> Note : Make sure that nw_rate of above offering is set to 600 mb/s (76800
> kbps)
> (ii) Create a network "network7" using the above offering i.e "Offering3Tag1"
> (iii) Create a network offering "Offering1Tag1" which is not set with any
> nw_rate value manually.
> (iv) create a network "network1" using the above offering "Offering1Tag1"
> (v) deploy a VM using the above networks "network1" & "network2"
> (vi) Change the network rate for control system network offering to 700 mb/s
> (i.e. 89600 kbps)
> mysql> select * from network_offerings where system_only=1 and id=3\G
> *************************** 1. row ***************************
> id: 3
> name: System-Control-Network
> uuid: 97690306-203b-4b99-80bc-7037ed9bab9d
> unique_name: System-Control-Network
> display_text: System Offering for System-Control-Network
> nw_rate: 700
> mc_rate: 0
> traffic_type: Control
> tags: NULL
> system_only: 1
> specify_vlan: 0
> service_offering_id: NULL
> conserve_mode: 1
> created: 2013-03-20 12:15:10
> removed: NULL
> default: 1
> availability: Required
> dedicated_lb_service: 1
> shared_source_nat_service: 0
> sort_key: 0
> redundant_router_service: 0
> state: Enabled
> guest_type: NULL
> elastic_ip_service: 0
> elastic_lb_service: 0
> specify_ip_ranges: 0
> inline: 0
> is_persistent: 0
> 1 row in set (0.00 sec)
> Observations :
> 1. Here is the snippet of qos info about Guest Instance
> [root@Rack1Pod1Host11 ~]# xe vif-list vm-name-label=i-3-14-VM params=all |
> grep qos
> qos_algorithm_type ( RW): ratelimit
> qos_algorithm_params (MRW): kbps: 51200
> qos_supported_algorithms (SRO):
> qos_algorithm_type ( RW): ratelimit
> qos_algorithm_params (MRW): kbps: 76800
> qos_supported_algorithms (SRO):
> 2. [root@Rack1Pod1Host11 ~]# xe vif-list vm-name-label=r-15-VM params=all|
> grep -i qos
> qos_algorithm_type ( RW): ratelimit
> qos_algorithm_params (MRW): kbps: 102400
> qos_supported_algorithms (SRO):
> qos_algorithm_type ( RW): ratelimit
> qos_algorithm_params (MRW): kbps: 89600
> qos_supported_algorithms (SRO):
> qos_algorithm_type ( RW): ratelimit
> qos_algorithm_params (MRW): kbps: 102400
> qos_supported_algorithms (SRO):
> 3. From the above output, it is evident that Guest's default network got
> "51200 kbps" which is picked from the service offering i.e. "host1.small2"
> which is as expected. and the non-default nic got 76800 kbps which is from
> network offering i.e. Offering3Tag1 which is also expected.
> 4. From the above router related output, Control nic got the right qos value
> i.e. 89600 kbps from the control system network offering. This is expected.
> 5. but, the rest of the two router vifs i.e. public, guest got 102400 kbps as
> qos value which is from the global setting network.throttling.rate.
> Issue :
> As mentioned in observation (5), Guest and Public nics should get their qos
> value as 76800 kbps i.e. from the network offering "Offering3Tag1" and it
> should not acquire it from global setting.
> Here is the reference to the document that talks about how throttling
> settings work in cloudstack
> http://support.citrix.com/article/CTX132019
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