On Thu, Jul 19, 2012 at 10:11 AM, Damitha Kumarage <[email protected]> wrote:

> Also AliveMemberCount in LB is always 0. Does that mean although there are
> successful join messages, in actuality no app server never joined?
>

No that means how many other LBs are there. That log could make more
meaningful. I'll do that.

>
> Damitha
>
>
> On Thu, Jul 19, 2012 at 10:06 AM, Damitha Kumarage <[email protected]>wrote:
>
>> Hi Sajith,
>> During these weird join/disappear cases can you verify that lxc instances
>> are continuously accessible. Verifying that you can log into them and stay
>> logged is enough to verify that.
>>
>> Damitha
>>
>>
>> On Thu, Jul 19, 2012 at 8:48 AM, Nirmal Fernando <[email protected]> wrote:
>>
>>> I see abnormal behaviours of nodes started up.
>>>
>>> [2012-07-19 02:49:46,351]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 02:49:46,513]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 02:49:46,599]  WARN - ServiceRequestsInFlightAutoscaler App
>>> domain Sanity check failed for [wso2.as.domain] . Current instances: 0.
>>> Required instances: 1
>>> [2012-07-19 02:49:46,621]  INFO - ServiceRequestsInFlightAutoscaler
>>> Launching 1 App instances for domain wso2.as.domain
>>> [2012-07-19 02:50:16,331]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 02:50:17,041]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>>
>>>
>>>
>>> [2012-07-19 02:50:46,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 02:50:46,917]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 02:51:16,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 02:51:17,108]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 02:51:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 02:53:29,819]  INFO - RpcMembershipRequestHandler Received
>>> JOIN message from 172.16.1.2:4000(wso2.as.domain)
>>> [2012-07-19 02:53:29,820]  INFO - MembershipManager Application member
>>> 172.16.1.2:4000(wso2.as.domain) joined group wso2.as.domain
>>> [2012-07-19 02:53:40,824]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.16.1.2, Port: 4000, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true joined application cluster
>>>
>>> *It seems to got joined, but .... scroll down till the above exact
>>> colour
>>> *
>>>
>>>
>>> [2012-07-19 03:03:27,179]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:03:27,818]  WARN - ServiceRequestsInFlightAutoscaler App
>>> domain Sanity check failed for [wso2.as.domain] . Current instances: 0.
>>> Required instances: 1
>>> [2012-07-19 03:03:27,831]  INFO - ServiceRequestsInFlightAutoscaler
>>> Launching 1 App instances for domain wso2.as.domain
>>> [2012-07-19 03:03:46,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:04:16,181]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:04:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:04:52,975]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:05:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>>
>>> [2012-07-19 03:05:25,719]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:05:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>>
>>> [2012-07-19 03:06:23,848]  INFO - RpcMembershipRequestHandler Received
>>> JOIN message from 172.15.0.254:4006(wso2.as.domain)
>>> [2012-07-19 03:06:23,848]  INFO - MembershipManager Application member
>>> 172.15.0.254:4006(wso2.as.domain) joined group wso2.as.domain
>>> [2012-07-19 03:06:33,988]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true joined application cluster
>>> [2012-07-19 03:06:41,761]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true left cluster.
>>> [2012-07-19 03:06:41,761]  INFO - TribesMembershipListener Member
>>> 172.15.0.254:4006(wso2.as.domain) left cluster
>>>
>>> *And who is this 172.15.0.254?? This is not a node that we started, I
>>> think. oh ... this is the node that u started manually? Then why it left so
>>> soon?*
>>>
>>>
>>>
>>>
>>> [2012-07-19 03:07:36,874]  INFO - MembershipManager Application member
>>> 172.15.0.254:4006(wso2.as.domain) joined group wso2.as.domain
>>> [2012-07-19 03:07:46,874]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true joined application cluster
>>> [2012-07-19 03:07:50,728]  INFO - RpcMembershipRequestHandler Received
>>> JOIN message from 172.15.0.254:4006(wso2.as.domain)
>>>
>>>
>>>
>>> [2012-07-19 03:09:25,312]  INFO - RpcMembershipRequestHandler Received
>>> JOIN message from 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:09:25,313]  INFO - MembershipManager Application member
>>> 172.16.1.3:4000(wso2.as.domain) joined group wso2.as.domain
>>> [2012-07-19 03:09:32,325]  INFO - RpcMembershipRequestHandler Received
>>> MEMBER_LIST message from 172.16.1.3:4000(wso2.as.domain)
>>>
>>>
>>> [2012-07-19 03:09:32,326]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.2:4000(wso2.as.domain)...
>>> [2012-07-19 03:09:32,326]  INFO - MemberListCommand Added member
>>> 172.16.1.2:4000(wso2.as.domain)
>>>
>>> *I suspect it got dropped, some point of time (network issues?). I
>>> could see the same issue in 172.16.1.3 instance too.
>>>
>>> *
>>> [2012-07-19 03:09:32,326]  INFO - MemberListCommand Trying to add member
>>> 172.15.0.254:4006(wso2.as.domain)...
>>> [2012-07-19 03:09:32,326]  INFO - MemberListCommand Added member
>>> 172.15.0.254:4006(wso2.as.domain)
>>> [2012-07-19 03:09:32,326]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.3:4000(wso2.as.domain)...
>>> [2012-07-19 03:09:32,327]  INFO - MemberListCommand Added member
>>> 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:09:36,320]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.16.1.3, Port: 4000, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true joined application cluster
>>>
>>>
>>>
>>>
>>>
>>>
>>> [2012-07-19 03:11:34,771]  INFO - RpcMembershipRequestHandler Received
>>> MEMBER_LIST message from 172.16.1.3:4000(wso2.as.domain)
>>>
>>> [2012-07-19 03:11:34,771]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.2:4000(wso2.as.domain)...
>>> [2012-07-19 03:11:34,772]  INFO - MemberListCommand Added member
>>> 172.16.1.2:4000(wso2.as.domain)
>>>
>>> *And again... and so on...*
>>>
>>> [2012-07-19 03:11:34,772]  INFO - MemberListCommand Trying to add member
>>> 172.15.0.254:4006(wso2.as.domain)...
>>> [2012-07-19 03:11:34,772]  INFO - MemberListCommand Added member
>>> 172.15.0.254:4006(wso2.as.domain)
>>> [2012-07-19 03:11:34,772]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.3:4000(wso2.as.domain)...
>>> [2012-07-19 03:11:34,772]  INFO - MemberListCommand Added member
>>> 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:12:06,604]  INFO - RpcMembershipRequestHandler Received
>>> MEMBER_LIST message from 172.16.1.2:4000(wso2.as.domain)
>>> [2012-07-19 03:12:06,604]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.3:4000(wso2.as.domain)...
>>> [2012-07-19 03:12:06,604]  INFO - MemberListCommand Added member
>>> 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:12:06,605]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.2:4000(wso2.as.domain)...
>>> [2012-07-19 03:12:06,605]  INFO - MemberListCommand Added member
>>> 172.16.1.2:4000(wso2.as.domain)
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> [2012-07-19 03:13:07,058]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true left cluster.
>>> [2012-07-19 03:13:07,059]  INFO - TribesMembershipListener Member
>>> 172.15.0.254:4006(wso2.as.domain) left cluster
>>>
>>>
>>> [2012-07-19 03:15:13,591]  INFO - RpcMembershipRequestHandler Received
>>> MEMBER_LIST message from 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:15:13,591]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.2:4000(wso2.as.domain)...
>>> [2012-07-19 03:15:13,591]  INFO - MemberListCommand Added member
>>> 172.16.1.2:4000(wso2.as.domain)
>>> [2012-07-19 03:15:13,591]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.3:4000(wso2.as.domain)...
>>> [2012-07-19 03:15:13,592]  INFO - MemberListCommand Added member
>>> 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:15:46,794]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>>
>>> [2012-07-19 03:16:15,999]  INFO - RpcMembershipRequestHandler Received
>>> MEMBER_LIST message from 172.16.1.2:4000(wso2.as.domain)
>>> [2012-07-19 03:16:16,000]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.3:4000(wso2.as.domain)...
>>> [2012-07-19 03:16:16,000]  INFO - MemberListCommand Added member
>>> 172.16.1.3:4000(wso2.as.domain)
>>> [2012-07-19 03:16:16,000]  INFO - MemberListCommand Trying to add member
>>> 172.16.1.2:4000(wso2.as.domain)...
>>> [2012-07-19 03:16:16,000]  INFO - MemberListCommand Added member
>>> 172.16.1.2:4000(wso2.as.domain)
>>> [2012-07-19 03:16:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:16:16,511]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>>
>>> ^[[D[2012-07-19 03:16:24,885]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.16.1.2, Port: 4000, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true left cluster.
>>> [2012-07-19 03:16:24,885]  INFO - TribesMembershipListener Member
>>> 172.16.1.2:4000(wso2.as.domain) left cluster
>>>
>>>
>>> [2012-07-19 03:16:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:16:46,485]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:17:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:17:16,644]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:23:19,262]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:23:19,778]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:23:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:23:46,565]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:24:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:24:16,826]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:24:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:24:46,488]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:25:16,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:25:16,497]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:25:46,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:25:46,792]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:26:00,610]  INFO - MembershipManager Application member
>>> 172.15.0.254:4006(wso2.as.domain) joined group wso2.as.domain
>>>
>>> [2012-07-19 03:26:10,613]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true joined application cluster
>>> ----[2012-07-19 03:26:13,929]  INFO - RpcMembershipRequestHandler
>>> Received JOIN message from 172.15.0.254:4006(wso2.as.domain)
>>> [2012-07-19 03:26:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:26:16,505]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:26:37,916]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.16.1.3, Port: 4000, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true left cluster.
>>> [2012-07-19 03:26:37,916]  INFO - TribesMembershipListener Member
>>> 172.16.1.3:4000(wso2.as.domain) left cluster
>>> [2012-07-19 03:26:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:26:46,429]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>>
>>>
>>>
>>> [2012-07-19 03:27:16,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:27:16,431]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:27:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:27:46,424]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:27:47,018]  INFO - DefaultGroupManagementAgent
>>> Application member Host:172.15.0.254, Port: 4006, HTTP:9763, HTTPS:9443,
>>> ACTIVE:true left cluster.
>>> [2012-07-19 03:27:47,018]  INFO - TribesMembershipListener Member
>>> 172.15.0.254:4006(wso2.as.domain) left cluster
>>> [2012-07-19 03:28:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>> *********** isPrimaryLoadBalancer: true
>>> [2012-07-19 03:28:16,434]  INFO - ServiceRequestsInFlightAutoscaler
>>> ************ AliveMemberCount: 0
>>> [2012-07-19 03:28:16,518]  WARN - ServiceRequestsInFlightAutoscaler App
>>> domain Sanity check failed for [wso2.as.domain] . Current instances: 0.
>>> Required instances: 1
>>> [2012-07-19 03:28:16,602]  INFO - ServiceRequestsInFlightAutoscaler
>>> Launching 1 App instances for domain wso2.as.domain
>>>
>>> On Thu, Jul 19, 2012 at 4:09 AM, Sajith Kariyawasam <[email protected]>wrote:
>>>
>>>> Here s what i have observed in the last try , few anomalies (like at
>>>> one instance I could see 2 instances are up and running in Openstack) , but
>>>> didn;t get that timeout error as we got while the setup was in
>>>> Virtualboxes, and was able to scale up as well as scale down, but im not
>>>> too sure abt the conditions LB has been using,
>>>>  will do another a test in the morning , till then Nirmal can u verify ?
>>>>
>>>> LB and Autoscaler were in the host machine, while only the Openstack
>>>> was in VirtualBox..
>>>>
>>>> First I let Autoscaler to start an instance in Openstack,.relevant logs
>>>> are as follows..
>>>>
>>>> LB Log
>>>> ======
>>>>
>>>> [2012-07-19 02:49:46,351]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 02:49:46,513]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 02:49:46,599]  WARN - ServiceRequestsInFlightAutoscaler App
>>>> domain Sanity check failed for [wso2.as.domain] . Current instances: 0.
>>>> Required instances: 1
>>>> [2012-07-19 02:49:46,621]  INFO - ServiceRequestsInFlightAutoscaler
>>>> Launching 1 App instances for domain wso2.as.domain
>>>> [2012-07-19 02:50:16,331]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 02:50:17,041]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>>
>>>> [2012-07-19 02:50:46,329]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 02:50:46,917]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 02:51:16,330]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 02:51:17,108]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 02:51:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 02:53:29,819]  INFO - RpcMembershipRequestHandler Received
>>>> JOIN message from 172.16.1.2:4000(wso2.as.domain)
>>>> [2012-07-19 02:53:29,820]  INFO - MembershipManager Application member
>>>> 172.16.1.2:4000(wso2.as.domain) joined group wso2.as.domain
>>>> [2012-07-19 02:53:40,824]  INFO - DefaultGroupManagementAgent
>>>> Application member Host:172.16.1.2, Port: 4000, HTTP:9763, HTTPS:9443,
>>>> ACTIVE:true joined application cluster
>>>>
>>>> [2012-07-19 03:03:27,179]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 03:03:27,818]  WARN - ServiceRequestsInFlightAutoscaler App
>>>> domain Sanity check failed for [wso2.as.domain] . Current instances: 0.
>>>> Required instances: 1
>>>> [2012-07-19 03:03:27,831]  INFO - ServiceRequestsInFlightAutoscaler
>>>> Launching 1 App instances for domain wso2.as.domain
>>>> [2012-07-19 03:03:46,329]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 03:04:16,181]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 03:04:46,330]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>> [2012-07-19 03:04:52,975]  INFO - ServiceRequestsInFlightAutoscaler
>>>> ************ AliveMemberCount: 0
>>>> [2012-07-19 03:05:16,329]  INFO - ServiceRequestsInFlightAutoscaler
>>>> *********** isPrimaryLoadBalancer: true
>>>>
>>>>
>>>> Here, at [2012-07-19 03:03:27,818] the sanity check has been failed..
>>>> can it be expected?
>>>>
>>>
>>> Yes, If the node that got joined moment ago,  disappears suddenly.
>>>
>>> *NOTE:* There can and possibly be issues with the autoscaler task,
>>> which is not yet tested extensively and will be tested while I get a chance
>>> to do perf tests. But with these kind of weird behaviours with instances
>>> starting up in openstack, I don't think we can come to conclusions on the
>>> behaviour of Autoscaler task.
>>>
>>> Further I can't see this weird behaviours in EC2 case, and there I'll
>>> try to test and fix issues of autoscaler task, till we get openstack issues
>>> sorted out.
>>>
>>>
>>> i mean, by that time node  172.16.1.2:4000 has joined the LB,
>>>>
>>>> LB config is as follows...
>>>>
>>>>  defaults {
>>>>
>>>>         min_app_instances       1;
>>>>
>>>>         max_app_instances       5;
>>>>
>>>>         queue_length_per_node   3;
>>>>
>>>>         rounds_to_average       2;
>>>>
>>>>         instances_per_scale_up  1;
>>>>
>>>>         message_expiry_time     60000;
>>>>
>>>>     }
>>>>
>>>>
>>>> Thereafter, I started an app server outside Openstack and aftert some
>>>> time a termination request was sent and an instance was successfully
>>>> terminated ..
>>>>
>>>> logs are attached for reference ..
>>>>
>>>> On Thu, Jul 19, 2012 at 2:47 AM, Damitha Kumarage <[email protected]>wrote:
>>>>
>>>>>
>>>>>
>>>>> ---------- Forwarded message ----------
>>>>> From: Damitha Kumarage <[email protected]>
>>>>> Date: Thu, Jul 19, 2012 at 2:45 AM
>>>>> Subject: lxc demo
>>>>> To: wso2 <[email protected]>
>>>>>
>>>>>
>>>>> Hi Azeez,
>>>>>
>>>>> The lxc demo seems to be still lagging. Although container join the LB
>>>>> there are some failures in some of the clustering messages due to timeouts
>>>>> specific to openstack.
>>>>> We suspect, this is due to memory constraints in virtualbox instances
>>>>> we use. We are trying running LB and autoscaler in laptop instead of
>>>>> virtualboxes.
>>>>>
>>>>> Nirmal has a working setup where LB and autoscaler run in a wso2
>>>>> public machine and burst into EC2 when load increase. Shall we do this 
>>>>> demo
>>>>> as backup?
>>>>>
>>>>> Thanks,
>>>>> Damitha
>>>>>
>>>>> --
>>>>> __________________________________________________________________
>>>>> Damitha Kumarage
>>>>> Senior Technical Lead; WSO2 Inc.
>>>>> Oxygenating the Web Service Platform
>>>>> http://www.wso2.com/
>>>>> blog:
>>>>> http://damithakumarage.wordpress.com/
>>>>> __________________________________________________________________
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> __________________________________________________________________
>>>>> Damitha Kumarage
>>>>> Senior Technical Lead; WSO2 Inc.
>>>>> Oxygenating the Web Service Platform
>>>>> http://www.wso2.com/
>>>>> blog:
>>>>> http://damithakumarage.wordpress.com/
>>>>> __________________________________________________________________
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>> *
>>>> *
>>>> *Sajith Kariyawasam*
>>>> *Senior Software Engineer; WSO2, Inc.; http://wso2.com*
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> Thanks & regards,
>>> Nirmal
>>>
>>> Software Engineer- Platform Technologies Team, WSO2 Inc.
>>> Mobile: +94715779733
>>> Blog: http://nirmalfdo.blogspot.com/
>>>
>>
>>
>>
>> --
>> __________________________________________________________________
>> Damitha Kumarage
>> Senior Technical Lead; WSO2 Inc.
>> Oxygenating the Web Service Platform
>> http://www.wso2.com/
>> blog:
>> http://damithakumarage.wordpress.com/
>> __________________________________________________________________
>>
>
>
>
> --
> __________________________________________________________________
> Damitha Kumarage
> Senior Technical Lead; WSO2 Inc.
> Oxygenating the Web Service Platform
> http://www.wso2.com/
> blog:
> http://damithakumarage.wordpress.com/
> __________________________________________________________________
>



-- 

Thanks & regards,
Nirmal

Software Engineer- Platform Technologies Team, WSO2 Inc.
Mobile: +94715779733
Blog: http://nirmalfdo.blogspot.com/
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