Hi,
I was able to run a test successfully with mock IaaS now.
See the following logs,
[2015-05-18 00:53:27,794] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain RIF predicted value: 100.0
[2015-05-18 00:53:27,794] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain RIF threshold: 50.0
[2015-05-18 00:53:27,795] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain MC predicted value: 20.0
[2015-05-18 00:53:27,795] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain MC threshold: 40.0
[2015-05-18 00:53:27,795] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain LA predicted value: 20.0
[2015-05-18 00:53:27,796] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain LA threshold: 40.0
[2015-05-18 00:53:27,828] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain Scale-up action: false
[2015-05-18 00:53:27,828] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster]
single-cartridge-app.my-php.php.domain Scale-down action: false
[2015-05-18 00:53:27,830] DEBUG
{org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] Number of
required instances based on stats: 2 [active instances count] 2
[network-partition] network-partition-1 [cluster]
single-cartridge-app.my-php.php.domain
Thanks.
On Sun, May 17, 2015 at 10:43 PM, Imesh Gunaratne <[email protected]> wrote:
> There were few issues in the CEP artifacts and fixed them. Lahiru is now
> working on fixing another issue in RuleTaskDelegator.
>
> Thanks
>
> On Sun, May 17, 2015 at 9:20 PM, Lahiru Sandaruwan <[email protected]>
> wrote:
>
>> It seems the gradients are negative. This would happen if there has been
>> some values and then reduced...
>>
>> I will also investigate.
>>
>> Thanks.
>>
>> On Sun, May 17, 2015 at 1:43 PM, Imesh Gunaratne <[email protected]>
>> wrote:
>>
>>> It looks like RIF values are not received by the Autoscaler, need to
>>> investigate.
>>>
>>> On Sun, May 17, 2015 at 12:59 PM, Imesh Gunaratne <[email protected]>
>>> wrote:
>>>
>>>> Hi Lahiru,
>>>>
>>>> The above issue was fixed, now I'm seeing a problem in Autoscaler where
>>>> it calculates the RIF gradients as negative values:
>>>>
>>>> *Scenario:*
>>>> *Autoscaling policy:* requestsInFlight/threshold -> 50
>>>> *Incoming request load:* Concurrency -> 80, number of requests ->1000
>>>> *RIF published by load balancer:* 80
>>>>
>>>> [2015-05-17 12:50:39,290] DEBUG
>>>> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} -
>>>> Second derivative of Rif event: [cluster]
>>>> single-cartridge-app.my-php.php.domain [network-partition]
>>>> network-partition-1 [value] -0.1776534
>>>> [2015-05-17 12:50:39,291] DEBUG
>>>> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor}
>>>> - Gradient of Rif event: [cluster] single-cartridge-app.my-php.php.domain
>>>> [network-partition] network-partition-1 [value] -1.7770275
>>>>
>>>> May be due to this reason scaling up decision was not taken even though
>>>> the RIF values are greater than the defined threshold.
>>>>
>>>> Thanks
>>>>
>>>> On Sun, May 17, 2015 at 12:12 PM, Imesh Gunaratne <[email protected]>
>>>> wrote:
>>>>
>>>>> Hi Devs,
>>>>>
>>>>> While working on $subject and I found that we have not packaged the
>>>>> thrift client configuration file in the load balancer distribution:
>>>>>
>>>>> [2015-05-17 12:05:07,746] FATAL - LoadBalancerServiceComponent Failed
>>>>> to activate load balancer service component
>>>>> java.lang.RuntimeException: Could not parse thrift client configuration
>>>>> at
>>>>> org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfigParser.parse(ThriftClientConfigParser.java:136)
>>>>> at
>>>>> org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfig.getInstance(ThriftClientConfig.java:45)
>>>>> at
>>>>> org.apache.stratos.common.statistics.publisher.wso2.cep.WSO2CEPStatisticsPublisher.<init>(WSO2CEPStatisticsPublisher.java:56)
>>>>>
>>>>> I'm now fixing this issue and continue the test.
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>> --
>>>>> Imesh Gunaratne
>>>>>
>>>>> Senior Technical Lead, WSO2
>>>>> Committer & PMC Member, Apache Stratos
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Imesh Gunaratne
>>>>
>>>> Senior Technical Lead, WSO2
>>>> Committer & PMC Member, Apache Stratos
>>>>
>>>
>>>
>>>
>>> --
>>> Imesh Gunaratne
>>>
>>> Senior Technical Lead, WSO2
>>> Committer & PMC Member, Apache Stratos
>>>
>>
>>
>>
>> --
>> --
>> Lahiru Sandaruwan
>> Committer and PMC member, Apache Stratos,
>> Senior Software Engineer,
>> WSO2 Inc., http://wso2.com
>> lean.enterprise.middleware
>>
>> phone: +94773325954
>> email: [email protected] blog: http://lahiruwrites.blogspot.com/
>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>>
>>
>
>
> --
> Imesh Gunaratne
>
> Senior Technical Lead, WSO2
> Committer & PMC Member, Apache Stratos
>
--
--
Lahiru Sandaruwan
Committer and PMC member, Apache Stratos,
Senior Software Engineer,
WSO2 Inc., http://wso2.com
lean.enterprise.middleware
phone: +94773325954
email: [email protected] blog: http://lahiruwrites.blogspot.com/
linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
