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From Akila Ravihansa Perera <raviha...@wso2.com>
Subject Re: [Fixed] CEP sends very large values for gradient and second derivative of load average
Date Thu, 06 Nov 2014 08:03:39 GMT
Until t2 - t1 > 1

On Thu, Nov 6, 2014 at 12:50 AM, Nirmal Fernando <nirmal070125@gmail.com>
wrote:

>
>
> On Thu, Nov 6, 2014 at 8:33 AM, Akila Ravihansa Perera <ravihansa@wso2.com
> > wrote:
>
>> Thanks for the explanation, Nirmal. It makes sense now.
>>
>> Perhaps as an alternative solution, window processor can be set to wait
>> until sufficient events have arrived to calculate the gradient?
>>
>
> What would be the sufficient value? Theoretically in gradient case it's 2,
> in second derivative case it's 3. And we're doing that already.
>
>>
>> On Wed, Nov 5, 2014 at 11:48 PM, Rajkumar Rajaratnam <rajkumarr@wso2.com>
>> wrote:
>>
>>> In other words, fix reduces the risks which are coming from bad samples.
>>>
>>> On Thu, Nov 6, 2014 at 12:08 PM, Rajkumar Rajaratnam <rajkumarr@wso2.com
>>> > wrote:
>>>
>>>>
>>>>
>>>> On Thu, Nov 6, 2014 at 11:38 AM, Imesh Gunaratne <imesh@apache.org>
>>>> wrote:
>>>>
>>>>> On Thu, Nov 6, 2014 at 9:22 AM, Rajkumar Rajaratnam <
>>>>> rajkumarr@wso2.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> No Imesh. There are no difference between *taking the the difference
>>>>>> and dividing it by 1000* and *dividing it by 1000 and taking the
>>>>>> difference*.
>>>>>>
>>>>>
>>>>> Raj: I agree, in this scenario it makes no difference, however when we
>>>>> are applying a fomular the unit conversion should happen prior to applying
>>>>> values.
>>>>>
>>>>
>>>> Not exactly Imesh. We can do operations if operands are in the same
>>>> units. So we can do subtract operation in milliseconds. And then we can do
>>>> division operation to make it in seconds. On the other hand, we can do a
>>>> division operation to make each operands to seconds, then since both are
>>>> seconds, we can do a subtract operation. So we can apply the formula if
>>>> operands are in same unit. I guess this is same for all scenarios.
>>>>
>>>>
>>>>> Still I see a problem with this correction, take the same example:
>>>>> Gradient: -999.9999999999998 Last val: 7.000000000000001 First val:
>>>>> 12.0 Time Gap: 5 t1: 1415213232152 t2: 1415213232157
>>>>>
>>>>> *Manual calulation:*
>>>>> The value difference: 7 - 12 = -5
>>>>> Time difference: 1415213232157 - 1415213232152 = 5 ms => 5/1000 =
>>>>> 0.005 sec
>>>>> *Gradient = - 5/0.005 = -1000*
>>>>>
>>>>> *According to the current fix:*
>>>>> long millisecondsForASecond = 1000;
>>>>>         long tGap = t2 - t1 > millisecondsForASecond ? t2 - t1 :
>>>>> millisecondsForASecond;
>>>>>         double gradient = 0.0;
>>>>>         if (tGap > 0) {
>>>>>             gradient = ((lastVal - firstVal) * millisecondsForASecond)
>>>>> / tGap;
>>>>>         }
>>>>>
>>>>> t1: 1415213232152 t2: 1415213232157 firstVal: 12 lastVall: 7
>>>>> Gradient = -5 * 1000 / 1000 = - 5
>>>>>
>>>>
>>>> IMO, this is a sufficient solution.
>>>>
>>>> Let me explain how I see Nirmal's solution.
>>>>
>>>> We are taking only first and last values in a window for gradient
>>>> calculation. If there are more events in that window, and if that is a good
>>>> sample, tGap will be taking some higher values than 1s. This is usual
>>>> situation. Nirmal's fix is nothing to do with this scenario.
>>>>
>>>> If there are few events in that window(say only 2), they can be really
>>>> nearer. So there is a possibility that tGap can take a value near to 0. In
>>>> that case gradient will be a very big value. Hence, if the tGap is very low
>>>> (less than 1 second), then we can assume that the first and last events
>>>> actually occurred in 1 second gap. The reason why tGap is less than 0 is,
>>>> there are only few events in that window, and that sample is not good
>>>> enough. But this a rare situation, it can only happen once in a while.
>>>> Nirmal's fix is only dealing with this scenario. Fix imposes a lower limit
>>>> in the time interval between two events. This fix is really important to
>>>> deal with samples which are not good enough.
>>>>
>>>> By previous formula, we get -1000. This happened because the sample is
>>>> not good enough (may be there are few events). Fix makes it to -5.
>>>>
>>>> So my understanding is that the solution is good enough for now.
>>>>
>>>> Thanks.
>>>>
>>>>>
>>>>> Nirmal: Can you please justify this?
>>>>>
>>>>> Thanks
>>>>>
>>>>> On Thu, Nov 6, 2014 at 11:31 AM, Nirmal Fernando <
>>>>> nirmal070125@gmail.com> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Nov 6, 2014 at 6:05 AM, Gayan Gunarathne <gayang@wso2.com>
>>>>>> wrote:
>>>>>>
>>>>>>> AFAIU this is not related with the gradient calculation formula that
>>>>>>> we used. But It is related with the how we calculate gradient when the
>>>>>>> denominator become a small number.IMO when the divisor (timeInSeconds)
>>>>>>> approaches to the small number we do need to normalize the result.
>>>>>>>
>>>>>>> IMO we do have max and min scale up and down values. So based on
>>>>>>> that we can calculate the gradient on that value range.Simply if the
>>>>>>> denominator approaches zero result approaches to infinity.
>>>>>>>
>>>>>>> I think that's what Nirmal doing here by making the lower threshold
>>>>>>> as "millisecondsForASecond"
>>>>>>>
>>>>>>
>>>>>> You got it! thanks.
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>         long tGap = t2 - t1 > millisecondsForASecond ? t2 - t1 :
>>>>>>> millisecondsForASecond;
>>>>>>>         double gradient = 0.0;
>>>>>>>         if (tGap > 0) {
>>>>>>>             gradient = ((lastVal - firstVal) *
>>>>>>> millisecondsForASecond) / tGap;
>>>>>>>         }
>>>>>>>
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Gayan
>>>>>>>
>>>>>>> On Thu, Nov 6, 2014 at 9:22 AM, Rajkumar Rajaratnam <
>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> On Thu, Nov 6, 2014 at 9:03 AM, Imesh Gunaratne <imesh@apache.org>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi Nirmal,
>>>>>>>>>
>>>>>>>>> I do not think the milliseconds to seconds convertion is correct
>>>>>>>>> here.
>>>>>>>>>
>>>>>>>>> As I see we are taking the difference of two timestamp values and
>>>>>>>>> then dividing it by 1000. The corect way might be to first divide each
>>>>>>>>> value by 1000 and then take the difference.
>>>>>>>>>
>>>>>>>>
>>>>>>>> No Imesh. There are no difference between *taking the the
>>>>>>>> difference and dividing it by 1000* and *dividing it by 1000 and
>>>>>>>> taking the difference*.
>>>>>>>>
>>>>>>>>
>>>>>>>>> On the other hand we might not need to convert these values to
>>>>>>>>> seconds since we are taking a time difference and calculating a gradient.
>>>>>>>>>
>>>>>>>>> I did a quick test with the following sample:
>>>>>>>>> Gradient: -999.9999999999998 Last val: 7.000000000000001 First
>>>>>>>>> val: 12.0 Time Gap: 5 t1: 1415213232152 t2: 1415213232157
>>>>>>>>>
>>>>>>>>> *According previous code:*
>>>>>>>>> long tGap = t2 - t1;
>>>>>>>>>         double gradient = 0.0;
>>>>>>>>>         if (tGap > 0) {
>>>>>>>>>             gradient = ((lastVal - firstVal) * 1000) / tGap;
>>>>>>>>>         }
>>>>>>>>>
>>>>>>>>> t1: 1415213232152 t2: 1415213232157 firstVal: 12 lastVall: 7
>>>>>>>>> gradient: -1000.0
>>>>>>>>>
>>>>>>>>> *According to your fix:*
>>>>>>>>> long millisecondsForASecond = 1000;
>>>>>>>>>         long tGap = t2 - t1 > millisecondsForASecond ? t2 - t1 :
>>>>>>>>> millisecondsForASecond;
>>>>>>>>>         double gradient = 0.0;
>>>>>>>>>         if (tGap > 0) {
>>>>>>>>>             gradient = ((lastVal - firstVal) *
>>>>>>>>> millisecondsForASecond) / tGap;
>>>>>>>>>         }
>>>>>>>>>
>>>>>>>>> t1: 1415213232152 t2: 1415213232157 firstVal: 12 lastVall: 7
>>>>>>>>> gradient: -5.0
>>>>>>>>>
>>>>>>>>> *According to an online gradient calculator:*
>>>>>>>>> gradient: -1
>>>>>>>>>
>>>>>>>>> http://www.calculator.net/slope-calculator.html?type=1&x11=1415213232152&y11=12&x12=1415213232157&y12=7&x=27&y=19
>>>>>>>>>
>>>>>>>>> According to the online gradient calculator (assuming their
>>>>>>>>> calculation is correct), the calculation in your fix is not correct. I
>>>>>>>>> believe the logic should be simple as follows:
>>>>>>>>>
>>>>>>>>> long tGap = t2 - t1;
>>>>>>>>>         double gradient = 0.0;
>>>>>>>>>         if (tGap > 0) {
>>>>>>>>>             gradient = ((lastVal - firstVal)) / tGap;
>>>>>>>>>         }
>>>>>>>>>
>>>>>>>>> t1: 1415213232152 t2: 1415213232157 firstVal: 12 lastVall: 7
>>>>>>>>> gradient: -1.0
>>>>>>>>>
>>>>>>>>
>>>>>>>> And AFAIK, standard way to calculate gradient =
>>>>>>>> (v1-v2)/timeInSeconds.
>>>>>>>>
>>>>>>>> Well, we can divide it by what ever time units we wants, but the
>>>>>>>> result's unit will be different.
>>>>>>>>
>>>>>>>> In Nirmal's case, he get will get *stats/seconds*. In your case,
>>>>>>>> you will get *stats/milliseconds*
>>>>>>>>
>>>>>>>> And AS prediction is based on *seconds*, CEP should use *seconds*
>>>>>>>> for the calculation.
>>>>>>>>
>>>>>>>> wdyt?
>>>>>>>>
>>>>>>>> Thanks.
>>>>>>>>
>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Thu, Nov 6, 2014 at 1:32 AM, Nirmal Fernando <
>>>>>>>>> nirmal070125@gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Guys,
>>>>>>>>>>
>>>>>>>>>> So, I got a chance to reproduce and analyze this issue.
>>>>>>>>>>
>>>>>>>>>> How we calculate gradient of two events?
>>>>>>>>>>
>>>>>>>>>> Say the events are; e1(t1,v1) and e2(t2,v2)
>>>>>>>>>>
>>>>>>>>>> tx - time in *milliseconds* when xth event occurred
>>>>>>>>>> vx - value (memory, cpu etc.) that xth event carries
>>>>>>>>>>
>>>>>>>>>> *time gap = t(2-1) = t2 -t1 milliseconds*
>>>>>>>>>> time gap in seconds = t(2-1) = (t2 - t1)/1000 seconds
>>>>>>>>>>
>>>>>>>>>> Hence,
>>>>>>>>>> *Gradient = (v2 - v1)  / t(2-1)  = ( (v2 - v1) * 1000 ) / (t2 -
>>>>>>>>>> t1)*
>>>>>>>>>>
>>>>>>>>>> I've enabled debug logs for CEP extension;
>>>>>>>>>>
>>>>>>>>>> log4j.logger.org.apache.stratos.cep.extension=DEBUG
>>>>>>>>>>
>>>>>>>>>> Please find the following 3 logs extracted from the debug logs;
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ===================================================================
>>>>>>>>>> TID: [0] [STRATOS] [2014-11-05 19:47:27,073] DEBUG
>>>>>>>>>> {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} -
>>>>>>>>>>  Gradient: -0.1996007984031936 Last val: 9.0 First val: 12.0 *Time
>>>>>>>>>> Gap: 15030* t1: 1415213202095 t2: 1415213217125 hash: 155426542
>>>>>>>>>>
>>>>>>>>>> TID: [0] [STRATOS] [2014-11-05 19:47:27,073] DEBUG
>>>>>>>>>> {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} -  Gradient:
>>>>>>>>>> -999.9999999999998 Last val: 7.000000000000001 First val: 12.0 *Time
>>>>>>>>>> Gap: 5* t1: 1415213232152 t2: 1415213232157 hash: 155426542
>>>>>>>>>>
>>>>>>>>>> TID: [0] [STRATOS] [2014-11-05 19:47:27,074] DEBUG
>>>>>>>>>> {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} -
>>>>>>>>>>  Gradient: -44.34884666437174 Last val: -999.9999999999998 First val:
>>>>>>>>>> -0.1996007984031936 *Time Gap: 22544* t1: 1415213209610 t2:
>>>>>>>>>> 1415213232154 hash: 155426542
>>>>>>>>>>
>>>>>>>>>> ===================================================================
>>>>>>>>>>
>>>>>>>>>> So, as you can see the reason behind a large value is when the
>>>>>>>>>> time gap between two subjected events is less than 1 second. This could
>>>>>>>>>> happen since events are coming from different asynchronous agents and also
>>>>>>>>>> when there are less number of events.
>>>>>>>>>>
>>>>>>>>>> So, the fix I propose is a very simple one and it will not
>>>>>>>>>> compromise anything AFAIS.
>>>>>>>>>>
>>>>>>>>>> Fix is to calculate time gap as follows;
>>>>>>>>>>                                                         *____ t2
>>>>>>>>>> - t1*
>>>>>>>>>>                                                         *| yes?*
>>>>>>>>>> *time gap = t(2-1) = t2 -t1 > 1000 ---*
>>>>>>>>>>                                                         *|____
>>>>>>>>>> 1000*
>>>>>>>>>>
>>>>>>>>>> I have tested this and works fine.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ---------- Forwarded message ----------
>>>>>>>>>> From: Manula Chathurika Thantriwatte <manulac@wso2.com>
>>>>>>>>>> Date: Tue, Oct 28, 2014 at 5:16 AM
>>>>>>>>>> Subject: Re: CEP sends very large values for gradient and second
>>>>>>>>>> derivative of load average
>>>>>>>>>> To: "dev@stratos.apache.org" <dev@stratos.apache.org>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi Raj,
>>>>>>>>>>
>>>>>>>>>> Yes it has. But it's very easy to find the values from the agent
>>>>>>>>>> with the time stamp. Then we can search that time stamp in the CEP trace
>>>>>>>>>> logs and compare the summarized values.
>>>>>>>>>>
>>>>>>>>>> Thanks !
>>>>>>>>>>
>>>>>>>>>> On Mon, Oct 27, 2014 at 9:23 PM, Rajkumar Rajaratnam <
>>>>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Mon, Oct 27, 2014 at 7:56 PM, Manula Chathurika Thantriwatte
>>>>>>>>>>> <manulac@wso2.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi Raj,
>>>>>>>>>>>>
>>>>>>>>>>>> Shall we enable the cartridge agent debug logs. Then we can
>>>>>>>>>>>> compare both CEP and agent logs with the time stamp. Then we can narrow
>>>>>>>>>>>> down where the actual problem is.
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Manula, cep-trace log have the values sent by cartridge agent
>>>>>>>>>>> also right?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks !
>>>>>>>>>>>>
>>>>>>>>>>>> On Mon, Oct 27, 2014 at 5:06 PM, Rajkumar Rajaratnam <
>>>>>>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Mon, Oct 27, 2014 at 12:53 PM, Manula Chathurika
>>>>>>>>>>>>> Thantriwatte <manulac@wso2.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi Raj,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Is this happen frequently or intermittently ? Once I go
>>>>>>>>>>>>>> though the logs I'm unable to find the high input values for load average.
>>>>>>>>>>>>>> But output have high values.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> 22:10:38,698 [-] [Siddhi-Scheduler-pool-10-thread-1]  INFO
>>>>>>>>>>>>>> EVENT_TRACE_LOGGER TenantId=-1234 : Output Event Adaptor :
>>>>>>>>>>>>>> JMSOutputAdaptor, sent
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> {"org.apache.stratos.messaging.event.health.stat.SecondDerivativeOfLoadAverageEvent":{"message":{"clusterId":"php.php.domain","networkPartitionId":"","value":"2000000.0"}}}
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> This is happening intermittently. Experienced now too. This is
>>>>>>>>>>>>> a serious issue. We need to somehow sort this out.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Also networkPartitionId is empty. In the current execution
>>>>>>>>>>>>>> plans it took networkPartitionId for the calculation. IMO we need to update
>>>>>>>>>>>>>> the CEP execution plans for 4.1.0.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks !
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Sun, Oct 26, 2014 at 8:49 AM, Manula Chathurika
>>>>>>>>>>>>>> Thantriwatte <manulac@wso2.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks Raj. I'll go through them.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks !
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Sun, Oct 26, 2014 at 8:33 AM, Rajkumar Rajaratnam <
>>>>>>>>>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Hi Manula,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> You can see those values in the same log I attached in the
>>>>>>>>>>>>>>>> previous mail.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Sun, Oct 26, 2014 at 8:29 AM, Rajkumar Rajaratnam <
>>>>>>>>>>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Hi Chamila,
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I couldn't find any large values sent by agent. There are
>>>>>>>>>>>>>>>>> traces for CEP sending large values. Find the cep trace log here [1]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> 1.
>>>>>>>>>>>>>>>>> https://drive.google.com/file/d/0B1haIleqJMHIS3FFVFpfa0JlbVE/view?usp=sharing
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Sun, Oct 26, 2014 at 8:23 AM, Manula Chathurika
>>>>>>>>>>>>>>>>> Thantriwatte <manulac@wso2.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Shall we enable the cartridge agent debug logs and see
>>>>>>>>>>>>>>>>>> what are the load average values sent from the agent. If those values are
>>>>>>>>>>>>>>>>>> normal then we can narrow down to the CEP.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Thanks !
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On Sat, Oct 25, 2014 at 10:43 PM, Chamila De Alwis <
>>>>>>>>>>>>>>>>>> chamilad@wso2.com> wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Hi Raj,
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Can you inspect the CEP trace logs for the same time
>>>>>>>>>>>>>>>>>>> period? It will have the events published from the agent.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>>>>>>> Chamila de Alwis
>>>>>>>>>>>>>>>>>>> Software Engineer | WSO2 | +94772207163
>>>>>>>>>>>>>>>>>>> Blog: code.chamiladealwis.com
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On Sat, Oct 25, 2014 at 10:39 PM, Rajkumar Rajaratnam <
>>>>>>>>>>>>>>>>>>> rajkumarr@wso2.com> wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> I am doing a test round with M3 with python agent. And
>>>>>>>>>>>>>>>>>>>> faced this very strange scenario, $Subject.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,693] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,693] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] -2000.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 1.9090909
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,694] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.718182
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,695] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of Memory Consumption event: [cluster] php.php.domain [value]
>>>>>>>>>>>>>>>>>>>> 200000.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,695] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,695] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,695] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of load avg event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,695] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of load avg event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 3.3636363
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 0.11670045
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,696] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.7
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.7
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 5.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,697] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 2000.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,698] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,698] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.7
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,698] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,698] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,698] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,699] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,699] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,700] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Second
>>>>>>>>>>>>>>>>>>>> Derivation of load avg event: [cluster] php.php.domain [value] 2000000.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,700] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,700] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 13500.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,700] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,701] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 50.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,701] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,701] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.738462
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,701] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,702] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 2.3333333
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,702] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,702] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,702] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,703] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,703] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,703] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 31.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,703] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,704] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,704] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,704] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 39.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,704] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,704] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] 39.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,705] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,706] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> load avg event: [cluster] php.php.domain [value] -11000.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,706] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Load average
>>>>>>>>>>>>>>>>>>>> stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,708] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Grad of
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,708] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,709] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesClusterMonitor} -  Avg
>>>>>>>>>>>>>>>>>>>> Memory Consumption event: [cluster] php.php.domain [value] 28.8
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,709] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.KubernetesClusterContext} -  Memory
>>>>>>>>>>>>>>>>>>>> consumption stats are reset, ready to do scale check [kub cluster] KubGrp1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,811] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.cloud.controller.util.PodActivationWatcher} -
>>>>>>>>>>>>>>>>>>>>  PodActivationWatcher running : Running
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,942] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.cloud.controller.util.PodActivationWatcher} -
>>>>>>>>>>>>>>>>>>>>  PodActivationWatcher running : Running
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:38,945] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.cloud.controller.util.PodActivationWatcher} -
>>>>>>>>>>>>>>>>>>>>  PodActivationWatcher running : Running
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,712] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesServiceClusterMonitor} -
>>>>>>>>>>>>>>>>>>>>  KubernetesServiceClusterMonitor is running..
>>>>>>>>>>>>>>>>>>>> KubernetesServiceClusterMonitor [ kubernetesHostClusterId=KubGrp1,
>>>>>>>>>>>>>>>>>>>> clusterId=php.php.domain, serviceId=php]
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,713] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesServiceClusterMonitor} -
>>>>>>>>>>>>>>>>>>>>  Running min check for [kub-cluster] : KubGrp1 [cluster] : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,713]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  Running minimum rule:
>>>>>>>>>>>>>>>>>>>> [kub-cluster] KubGrp1 [cluster] php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,714]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [min-check]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] nonTerminated : 3
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,714]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [min-check]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] minReplicas : 3
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,715]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  Running obsolete containers
>>>>>>>>>>>>>>>>>>>> rule [kub-cluster] : KubGrp1 [cluster] : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,715]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [obsolete-check] [cluster]
>>>>>>>>>>>>>>>>>>>> : php.php.domain [Replicas] obsoleteReplicas : 0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,715] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator} -  Minimum
>>>>>>>>>>>>>>>>>>>> check executed for :
>>>>>>>>>>>>>>>>>>>> org.apache.stratos.autoscaler.KubernetesClusterContext@21d906d0
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,715] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesServiceClusterMonitor} -
>>>>>>>>>>>>>>>>>>>>  flag of rifReset : true flag of memoryConsumptionReset : true flag of
>>>>>>>>>>>>>>>>>>>> loadAverageReset : true
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,715] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.monitor.KubernetesServiceClusterMonitor} -
>>>>>>>>>>>>>>>>>>>>  Running scale check for [kub-cluster] : KubGrp1 [cluster] : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,716]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  Running scaling rule
>>>>>>>>>>>>>>>>>>>> [kub-cluster] : KubGrp1 [cluster] : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,716] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleTasksDelegator} -  Predicting the
>>>>>>>>>>>>>>>>>>>> value, [average]: 0.0 , [gradient]: 0.0 , [second derivative]: 0.0 , [time
>>>>>>>>>>>>>>>>>>>> intervals]: 1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,716] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleTasksDelegator} -  Predicting the
>>>>>>>>>>>>>>>>>>>> value, [average]: 28.8 , [gradient]: 0.0 , [second derivative]: 0.0 , [time
>>>>>>>>>>>>>>>>>>>> intervals]: 1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,717] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleTasksDelegator} -  Predicting the
>>>>>>>>>>>>>>>>>>>> value, [average]: 39.0 , [gradient]: -11000.0 , [second derivative]:
>>>>>>>>>>>>>>>>>>>> 2000000.0 , [time intervals]: 1
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,717]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] minReplicas : 3
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,717]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] maxReplicas : 10
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] nonTerminated : 3
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [Replicas] activeReplicas : 3
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [RequestInFlight] predicted value : 0.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [RequestInFlight] upper limit : 80.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [RequestInFlight] lower limit : 5.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [MemoryConsumption] predicted value : 28.799999237060547
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [MemoryConsumption] upper limit : 80.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [MemoryConsumption] lower limit : 15.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,718]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [LoadAverage] predicted value : 989039.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,719]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [LoadAverage] upper limit : 180.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,719]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [LoadAverage] lower limit : 20.0
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,719]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain scale-up action : true
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,719]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain scale-down action : false
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,719]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain [LoadAverage] predicted replicas : 16484
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,720]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain predicted replicas > max replicas :
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,720]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling] Decided to
>>>>>>>>>>>>>>>>>>>> scale-up : [cluster] : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,720]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.rule.RuleLog} -  [scaling-up]  [cluster] :
>>>>>>>>>>>>>>>>>>>> php.php.domain valid number of replicas to expand : 10
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,720]  INFO
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.autoscaler.client.cloud.controller.CloudControllerClient}
>>>>>>>>>>>>>>>>>>>> -  Updating kubernetes replication controller via cloud controller:
>>>>>>>>>>>>>>>>>>>> [cluster] php.php.domain [replicas] 10
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,734] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl} -
>>>>>>>>>>>>>>>>>>>>  CloudControllerServiceImpl:updateContainers for cluster : php.php.domain
>>>>>>>>>>>>>>>>>>>> TID: [0] [STRATOS] [2014-10-25 22:10:43,758] DEBUG
>>>>>>>>>>>>>>>>>>>> {org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl} -
>>>>>>>>>>>>>>>>>>>>  Cloud Controller is delegating request to update a replication controller
>>>>>>>>>>>>>>>>>>>> php.php.domain to Kubernetes layer.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> I couldn't investigate the agent side, since containers
>>>>>>>>>>>>>>>>>>>> are destroyed.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Any idea?
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>> Rajkumar Rajaratnam
>>>>>>>>>>>>>>>>>>>> Software Engineer | WSO2, Inc.
>>>>>>>>>>>>>>>>>>>> Mobile +94777568639 | +94783498120
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>>>>>> Manula Chathurika Thantriwatte
>>>>>>>>>>>>>>>>>> Software Engineer
>>>>>>>>>>>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>>>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> email : manulac@wso2.com / manula@apache.org
>>>>>>>>>>>>>>>>>> phone : +94 772492511
>>>>>>>>>>>>>>>>>> blog : http://manulachathurika.blogspot.com/
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> Rajkumar Rajaratnam
>>>>>>>>>>>>>>>>> Software Engineer | WSO2, Inc.
>>>>>>>>>>>>>>>>> Mobile +94777568639 | +94783498120
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>> Rajkumar Rajaratnam
>>>>>>>>>>>>>>>> Software Engineer | WSO2, Inc.
>>>>>>>>>>>>>>>> Mobile +94777568639 | +94783498120
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>>> Manula Chathurika Thantriwatte
>>>>>>>>>>>>>>> Software Engineer
>>>>>>>>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> email : manulac@wso2.com / manula@apache.org
>>>>>>>>>>>>>>> phone : +94 772492511
>>>>>>>>>>>>>>> blog : http://manulachathurika.blogspot.com/
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --
>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>> Manula Chathurika Thantriwatte
>>>>>>>>>>>>>> Software Engineer
>>>>>>>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> email : manulac@wso2.com / manula@apache.org
>>>>>>>>>>>>>> phone : +94 772492511
>>>>>>>>>>>>>> blog : http://manulachathurika.blogspot.com/
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Rajkumar Rajaratnam
>>>>>>>>>>>>> Software Engineer | WSO2, Inc.
>>>>>>>>>>>>> Mobile +94777568639 | +94783498120
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Regards,
>>>>>>>>>>>> Manula Chathurika Thantriwatte
>>>>>>>>>>>> Software Engineer
>>>>>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>>>>
>>>>>>>>>>>> email : manulac@wso2.com / manula@apache.org
>>>>>>>>>>>> phone : +94 772492511
>>>>>>>>>>>> blog : http://manulachathurika.blogspot.com/
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Rajkumar Rajaratnam
>>>>>>>>>>> Software Engineer | WSO2, Inc.
>>>>>>>>>>> Mobile +94777568639 | +94783498120
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Regards,
>>>>>>>>>> Manula Chathurika Thantriwatte
>>>>>>>>>> Software Engineer
>>>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>>
>>>>>>>>>> email : manulac@wso2.com / manula@apache.org
>>>>>>>>>> phone : +94 772492511
>>>>>>>>>> blog : http://manulachathurika.blogspot.com/
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Best Regards,
>>>>>>>>>> Nirmal
>>>>>>>>>>
>>>>>>>>>> Nirmal Fernando.
>>>>>>>>>> PPMC Member & Committer of Apache Stratos,
>>>>>>>>>> Senior Software Engineer, WSO2 Inc.
>>>>>>>>>>
>>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Imesh Gunaratne
>>>>>>>>>
>>>>>>>>> Technical Lead, WSO2
>>>>>>>>> Committer & PMC Member, Apache Stratos
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Raj
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> Gayan Gunarathne
>>>>>>> Technical Lead
>>>>>>> WSO2 Inc. (http://wso2.com)
>>>>>>> email  : gayang@wso2.com  | mobile : +94 766819985
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Best Regards,
>>>>>> Nirmal
>>>>>>
>>>>>> Nirmal Fernando.
>>>>>> PPMC Member & Committer of Apache Stratos,
>>>>>> Senior Software Engineer, WSO2 Inc.
>>>>>>
>>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Imesh Gunaratne
>>>>>
>>>>> Technical Lead, WSO2
>>>>> Committer & PMC Member, Apache Stratos
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Raj
>>>>
>>>
>>>
>>>
>>> --
>>> Raj
>>>
>>
>>
>>
>> --
>> Akila Ravihansa Perera
>> Software Engineer, WSO2
>>
>> Blog: http://ravihansa3000.blogspot.com
>>
>
>
>
> --
> Best Regards,
> Nirmal
>
> Nirmal Fernando.
> PPMC Member & Committer of Apache Stratos,
> Senior Software Engineer, WSO2 Inc.
>
> Blog: http://nirmalfdo.blogspot.com/
>



-- 
Akila Ravihansa Perera
Software Engineer, WSO2

Blog: http://ravihansa3000.blogspot.com

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