[google-appengine] Re: Auto scaling to basic scaling migrate

['Nikhil Patil' via Google App Engine]

To update you I managed to get the root cause. Django settings.py has  
SECURE_SSL_REDIRECT configuration. If I enable it(I must), I get above 
issue,if I disable then the instance starts successfully. Do you have any 
idea?


On Saturday, May 14, 2022 at 8:12:47 AM UTC+9 Osvaldo Lopez Acuña wrote:

> Were you able to change your App Engine settings the way Ernesto suggested?
>
> The issue ended on May 6, as you can see in the shared link, and App 
> Engine was not affected.
>
>
> On Thursday, May 12, 2022 at 10:46:30 PM UTC-5 nikhilhem...@rakuten.com 
> wrote:
>
>> Any update on this?
>>
>>
>> On Saturday, May 7, 2022 at 5:49:29 AM UTC+9 Ernesto Contreras Pinon 
>> wrote:
>>
>>> Yes, using the app.yaml file, you can set the type of scaling that is 
>>> used by your App Engine app. You can specifically see the reference 
>>> 
>>>  
>>> on how the scaling elements are to be syntactically added in your app.yaml 
>>> file. Since this file contains the specifications for the deployment of 
>>> your app, it would be the proper place to change the settings. 
>>>
>>> Have you recently encountered this issue? There is currently an existing 
>>> incident 
>>>  that 
>>> is affecting multiple Google Cloud products which could be related to the 
>>> errors you are seeing.
>>> On Friday, May 6, 2022 at 2:36:23 AM UTC-5 nikhilhem...@rakuten.com 
>>> wrote:
>>>
 I was using autoscaling but it has 10 min request timeout,so I want to 
 change it to basic scaling.
 Does changing app.yaml will do the thing? or I need more settings.
 runtime: python39 service: dev-app instance_class: B1 basic_scaling: 
 max_instances: 10 idle_timeout: 10m
 I am getting error as
 The request failed because the instance could not start 
 successfullyProcess terminated because it failed to respond to the start 
 request with an HTTP status code of 200-299 or 404.

>>>

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[google-appengine] Re: Auto scaling to basic scaling migrate

['Nikhil Patil' via Google App Engine]

Any update on this?


On Saturday, May 7, 2022 at 5:49:29 AM UTC+9 Ernesto Contreras Pinon wrote:

> Yes, using the app.yaml file, you can set the type of scaling that is used 
> by your App Engine app. You can specifically see the reference 
> 
>  
> on how the scaling elements are to be syntactically added in your app.yaml 
> file. Since this file contains the specifications for the deployment of 
> your app, it would be the proper place to change the settings. 
>
> Have you recently encountered this issue? There is currently an existing 
> incident  
> that is affecting multiple Google Cloud products which could be related to 
> the errors you are seeing.
> On Friday, May 6, 2022 at 2:36:23 AM UTC-5 nikhilhem...@rakuten.com wrote:
>
>> I was using autoscaling but it has 10 min request timeout,so I want to 
>> change it to basic scaling.
>> Does changing app.yaml will do the thing? or I need more settings.
>> runtime: python39 service: dev-app instance_class: B1 basic_scaling: 
>> max_instances: 10 idle_timeout: 10m
>> I am getting error as
>> The request failed because the instance could not start 
>> successfullyProcess terminated because it failed to respond to the start 
>> request with an HTTP status code of 200-299 or 404.
>>
>

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[google-appengine] Re: App Engine doesn't send response leads to timeout at client

['Nikhil Patil' via Google App Engine]

I tried but it seams 
   
   - The dev_appserver tool does not support development of Python 3 apps 
   on Windows.


https://cloud.google.com/appengine/docs/standard/python3/tools/local-devserver-command
On Saturday, May 7, 2022 at 7:22:15 AM UTC+9 Rogelio Monter Rodriguez wrote:

> Have you tried debugging your app locally using the local development 
> server 
> 
>  
> or using the local development server 
> 
> ?
> On Friday, May 6, 2022 at 2:06:58 AM UTC-5 nikhilhem...@rakuten.com wrote:
>
>> To Explain my overall situation, My app response is lost though the API 
>> program executes as expected. This happens randomly.
>>
>> here is my app.yaml
>>
>> #
>> # Copyright 2021 Google LLC
>> #
>> # Licensed under the Apache License, Version 2.0 (the "License");
>> # you may not use this file except in compliance with the License.
>> # You may obtain a copy of the License at
>> #
>> # http://www.apache.org/licenses/LICENSE-2.0
>> #
>> # Unless required by applicable law or agreed to in writing, software
>> # distributed under the License is distributed on an "AS IS" BASIS,
>> # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>> # See the License for the specific language governing permissions and
>> # limitations under the License.
>> #
>>
>> # [START django_app]
>> # [START gaestd_py_django_app_yaml]
>>
>> ## std + dev-apc
>> #runtime: python39
>> #service: dev-apc
>> #instance_class: F1
>>
>>
>> handlers:
>> # This configures Google App Engine to serve the files in the app's static
>> # directory.
>> - url: /static
>> static_dir: staticfiles/
>>
>> # This handler routes all requests not caught above to your main app. It 
>> is
>> # required when static routes are defined, but can be omitted (along with
>> # the entire handlers section) when there are no static files defined.
>> - url: /.*
>> script: auto
>> # [END gaestd_py_django_app_yaml]
>> # [END django_app]
>>
>> On Friday, April 22, 2022 at 8:11:55 AM UTC+9 Horace (Cloud Platform 
>> Support) wrote:
>>
>>> Hello
>>>
>>> Since we don't have visibility on your project to check your App Engine 
>>> settings including your yaml file and further use our internal tools to 
>>> find out what is happening, kindly take a look at your configuration such 
>>> as your max instances, idle time out, and scaling. From your log, the 
>>> ‘Quitting on terminated signal’ indicates there is a shutdown of an 
>>> instance [1], it could be that there are no requests hence the instance was 
>>> shutdown and there could be a spike in subsequent requests that the 
>>> instance was not ready to respond since there are no instances available.
>>>
>>> Lastly, kindly take a look at your scaling, do note that there is no 
>>> guaranteed uptime for basic and manual scaling [3]. Due to this behavior, 
>>> if you want a higher Monthly Uptime Percentage, try to configure your 
>>> instance with automatic scaling. You can set the max_instances and 
>>> max_idle_instances to values that better achieve your architecture in the 
>>> app.yaml file [4]
>>>
>>> [1] 
>>> https://cloud.google.com/appengine/docs/standard/go/how-instances-are-managed#shutdown
>>>
>>> [2] 
>>> https://cloud.google.com/appengine/docs/standard/python3/configuring-warmup-requests
>>>
>>> [3] 
>>> https://cloud.google.com/appengine/docs/standard/go/how-instances-are-managed#instance_uptime
>>>
>>> [4] 
>>> https://cloud.google.com/appengine/docs/standard/go/config/appref#scaling_elements
>>>
>>>
>>> On Thursday, April 21, 2022 at 10:30:00 AM UTC-4 
>>> nikhilhem...@rakuten.com wrote:
>>>
 I think no issue on application side. I have logged upto last line of 
 my post method and after that is return response. 
 *Code:*

 class myView(generics.ListCreateAPIView):
 permission_classes = (IsAuthenticated,)
 http_method_names = ['get', 'post']
 search_fields = ['some', 'thing', 'here'']
 filter_backends = (DynamicSearchFilter,)
 pagination_class = PageNumberPagination
 serializer_class = mySerializer
 queryset = mymodel.objects.all().order_by("-update_date")

 def __init__(self, **kwargs):
 .
 .
 .


 def create(self, request, *args, **kwargs):
 .
 .
 .
 logger.info(f"Returning response of size {len(response_data)}")

 return Response(response_data, content_type='application/json')





 *here are my logs.*[
   {
 "textPayload": "2022-04-14 03:05:21,344 INFO app.myview  create 
  Returning response of size 11",
 "insertId": "62578f71000541533a99d6a0",
 "resource": {
   "type": "gae_app",
   "labels": {
 "project_id": "my-prj",
 "module_id": "myapp",
 "zone": "asia-northeast1-1",
 

[google-appengine] Auto scaling to basic scaling migrate

['Nikhil Patil' via Google App Engine]

I was using autoscaling but it has 10 min request timeout,so I want to 
change it to basic scaling.
Does changing app.yaml will do the thing? or I need more settings.
runtime: python39 service: dev-app instance_class: B1 basic_scaling: 
max_instances: 10 idle_timeout: 10m
I am getting error as
The request failed because the instance could not start successfullyProcess 
terminated because it failed to respond to the start request with an HTTP 
status code of 200-299 or 404.

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[google-appengine] Re: App Engine doesn't send response leads to timeout at client

['Nikhil Patil' via Google App Engine]

To Explain my overall situation, My app response is lost though the API 
program executes as expected. This happens randomly.

here is my app.yaml

#
# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# [START django_app]
# [START gaestd_py_django_app_yaml]

## std + dev-apc
#runtime: python39
#service: dev-apc
#instance_class: F1


handlers:
# This configures Google App Engine to serve the files in the app's static
# directory.
- url: /static
static_dir: staticfiles/

# This handler routes all requests not caught above to your main app. It is
# required when static routes are defined, but can be omitted (along with
# the entire handlers section) when there are no static files defined.
- url: /.*
script: auto
# [END gaestd_py_django_app_yaml]
# [END django_app]

On Friday, April 22, 2022 at 8:11:55 AM UTC+9 Horace (Cloud Platform 
Support) wrote:

> Hello
>
> Since we don't have visibility on your project to check your App Engine 
> settings including your yaml file and further use our internal tools to 
> find out what is happening, kindly take a look at your configuration such 
> as your max instances, idle time out, and scaling. From your log, the 
> ‘Quitting on terminated signal’ indicates there is a shutdown of an 
> instance [1], it could be that there are no requests hence the instance was 
> shutdown and there could be a spike in subsequent requests that the 
> instance was not ready to respond since there are no instances available.
>
> Lastly, kindly take a look at your scaling, do note that there is no 
> guaranteed uptime for basic and manual scaling [3]. Due to this behavior, 
> if you want a higher Monthly Uptime Percentage, try to configure your 
> instance with automatic scaling. You can set the max_instances and 
> max_idle_instances to values that better achieve your architecture in the 
> app.yaml file [4]
>
> [1] 
> https://cloud.google.com/appengine/docs/standard/go/how-instances-are-managed#shutdown
>
> [2] 
> https://cloud.google.com/appengine/docs/standard/python3/configuring-warmup-requests
>
> [3] 
> https://cloud.google.com/appengine/docs/standard/go/how-instances-are-managed#instance_uptime
>
> [4] 
> https://cloud.google.com/appengine/docs/standard/go/config/appref#scaling_elements
>
>
> On Thursday, April 21, 2022 at 10:30:00 AM UTC-4 nikhilhem...@rakuten.com 
> wrote:
>
>> I think no issue on application side. I have logged upto last line of my 
>> post method and after that is return response. 
>> *Code:*
>>
>> class myView(generics.ListCreateAPIView):
>> permission_classes = (IsAuthenticated,)
>> http_method_names = ['get', 'post']
>> search_fields = ['some', 'thing', 'here'']
>> filter_backends = (DynamicSearchFilter,)
>> pagination_class = PageNumberPagination
>> serializer_class = mySerializer
>> queryset = mymodel.objects.all().order_by("-update_date")
>>
>> def __init__(self, **kwargs):
>> .
>> .
>> .
>>
>>
>> def create(self, request, *args, **kwargs):
>> .
>> .
>> .
>> logger.info(f"Returning response of size {len(response_data)}")
>>
>> return Response(response_data, content_type='application/json')
>>
>>
>>
>>
>>
>> *here are my logs.*[
>>   {
>> "textPayload": "2022-04-14 03:05:21,344 INFO app.myview  create 
>>  Returning response of size 11",
>> "insertId": "62578f71000541533a99d6a0",
>> "resource": {
>>   "type": "gae_app",
>>   "labels": {
>> "project_id": "my-prj",
>> "module_id": "myapp",
>> "zone": "asia-northeast1-1",
>> "version_id": "20220406t140722"
>>   }
>> },
>> "timestamp": "2022-04-14T03:05:21.344403Z",
>> "labels": {
>>   "clone_id": 
>> "00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
>> },
>> "logName": "projects/my-prj/logs/stderr",
>> "receiveTimestamp": "2022-04-14T03:05:21.478498355Z"
>>   },
>>   {
>> "textPayload": "[start] 2022/04/14 03:20:24.968447 Quitting on 
>> terminated signal",
>> "insertId": "625792f8000ec856db894b8e",
>> "resource": {
>>   "type": "gae_app",
>>   "labels": {
>> "module_id": "myapp",
>> "zone": "asia-northeast1-1",
>> "version_id": "20220406t140722",
>> "project_id": "my-prj"
>>   }
>> },
>> "timestamp": "2022-04-14T03:20:24.968790Z",
>> "labels": {
>>   "clone_id": 
>> 

[google-appengine] Re: App Engine doesn't send response leads to timeout at client

['Nikhil Patil' via Google App Engine]

I think no issue on application side. I have logged upto last line of my 
post method and after that is return response. 
*Code:*

class myView(generics.ListCreateAPIView):
permission_classes = (IsAuthenticated,)
http_method_names = ['get', 'post']
search_fields = ['some', 'thing', 'here'']
filter_backends = (DynamicSearchFilter,)
pagination_class = PageNumberPagination
serializer_class = mySerializer
queryset = mymodel.objects.all().order_by("-update_date")

def __init__(self, **kwargs):
.
.
.


def create(self, request, *args, **kwargs):
.
.
.
logger.info(f"Returning response of size {len(response_data)}")

return Response(response_data, content_type='application/json')





*here are my logs.*[
  {
"textPayload": "2022-04-14 03:05:21,344 INFO app.myview  create 
 Returning response of size 11",
"insertId": "62578f71000541533a99d6a0",
"resource": {
  "type": "gae_app",
  "labels": {
"project_id": "my-prj",
"module_id": "myapp",
"zone": "asia-northeast1-1",
"version_id": "20220406t140722"
  }
},
"timestamp": "2022-04-14T03:05:21.344403Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/stderr",
"receiveTimestamp": "2022-04-14T03:05:21.478498355Z"
  },
  {
"textPayload": "[start] 2022/04/14 03:20:24.968447 Quitting on 
terminated signal",
"insertId": "625792f8000ec856db894b8e",
"resource": {
  "type": "gae_app",
  "labels": {
"module_id": "myapp",
"zone": "asia-northeast1-1",
"version_id": "20220406t140722",
"project_id": "my-prj"
  }
},
"timestamp": "2022-04-14T03:20:24.968790Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/%2Fvar%2Flog%2Fgoogle_init.log",
"receiveTimestamp": "2022-04-14T03:20:24.971407404Z"
  },
  {
"textPayload": "[2022-04-14 03:20:24 +] [10] [INFO] Handling 
signal: term",
"insertId": "625792f8000ed2e870511881",
"resource": {
  "type": "gae_app",
  "labels": {
"project_id": "my-prj",
"version_id": "20220406t140722",
"module_id": "myapp",
"zone": "asia-northeast1-1"
  }
},
"timestamp": "2022-04-14T03:20:24.971496Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/stderr",
"receiveTimestamp": "2022-04-14T03:20:24.975480517Z"
  },
  {
"textPayload": "[2022-04-14 03:20:24 +] [24] [INFO] Worker exiting 
(pid: 24)",
"insertId": "625792f8000f38c249d53b78",
"resource": {
  "type": "gae_app",
  "labels": {
"module_id": "myapp",
"project_id": "my-prj",
"zone": "asia-northeast1-1",
"version_id": "20220406t140722"
  }
},
"timestamp": "2022-04-14T03:20:24.997570Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/stderr",
"receiveTimestamp": "2022-04-14T03:20:25.306874254Z"
  },
  {
"textPayload": "[2022-04-14 03:20:25 +] [27] [INFO] Worker exiting 
(pid: 27)",
"insertId": "625792f9530acac710eb",
"resource": {
  "type": "gae_app",
  "labels": {
"version_id": "20220406t140722",
"module_id": "myapp",
"zone": "asia-northeast1-1",
"project_id": "my-prj"
  }
},
"timestamp": "2022-04-14T03:20:25.021258Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/stderr",
"receiveTimestamp": "2022-04-14T03:20:25.306874254Z"
  },
  {
"textPayload": "[2022-04-14 03:20:25 +] [25] [INFO] Worker exiting 
(pid: 25)",
"insertId": "625792f953b58a77b5a5",
"resource": {
  "type": "gae_app",
  "labels": {
"module_id": "myapp",
"zone": "asia-northeast1-1",
"project_id": "my-prj",
"version_id": "20220406t140722"
  }
},
"timestamp": "2022-04-14T03:20:25.021429Z",
"labels": {
  "clone_id": 
"00c61b117cd9f4551488432b6f7441914e77d3c1dae0ed84f783550c94129238df03e3311f8837126c38d73af6577b91baa8a9c0ed6b68487259cdaad779413ebb5f1bf9d9ef33fa5de9b7b2f6d7a5"
},
"logName": "projects/my-prj/logs/stderr",
"receiveTimestamp": "2022-04-14T03:20:25.306874254Z"
  

[google-appengine] App Engine doesn't send response leads to timeout at client

['Nikhil Patil' via Google App Engine]

I have Django application deployed on App Engine standard environment. Not 
all the time but sometimes App engine doesn't send response back which 
leads to timeout at client side. I have logged the response contents just 
before sending response in django code and the contents are correct. All 
the source code execution is as expected just no response . Please suggest 
me if anyone had same kind of issue.

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