[GitHub] [kylin] hit-lacus edited a comment on pull request #1182: KYLIN-4446 Kylin on kubernetes in quick-start and production env

Tue, 28 Apr 2020 02:02:11 -0700 


hit-lacus edited a comment on pull request #1182:
URL: https://github.com/apache/kylin/pull/1182#issuecomment-619862739


   ## Scale up Job Service
   
   - https://kubernetes.io/docs/tasks/run-application/scale-stateful-set/
   
   - Modify replica(from 1 to 3) and scale out job server
   ```shell
   
root@open-source:/home/ubuntu/kylin-kubernetes/kubernetes/example/deployment# 
vim kylin-job/kylin-job-statefulset.yaml
   
root@open-source:/home/ubuntu/kylin-kubernetes/kubernetes/example/deployment# 
kubectl apply -f kylin-job/
   ```
   
   - Check state of pods
   ```shell
   
root@open-source:/home/ubuntu/kylin-kubernetes/kubernetes/example/deployment# 
kubectl get pod -n kylin-example
   NAME                READY   STATUS    RESTARTS   AGE
   kylin-job-0         2/2     Running   0          27s
   kylin-job-1         2/2     Running   0          69s
   kylin-job-2         2/2     Running   0          67s
   kylin-memcached-0   1/1     Running   0          131m
   kylin-query-0       2/2     Running   0          66m
   
   
root@open-source:/home/ubuntu/kylin-kubernetes/kubernetes/example/deployment# 
kubectl get pod -n kylin-example
   NAME                READY   STATUS    RESTARTS   AGE
   kylin-job-0         2/2     Running   0          34s
   kylin-job-1         2/2     Running   0          76s
   kylin-job-2         2/2     Running   0          74s
   kylin-memcached-0   1/1     Running   0          131m
   kylin-query-0       2/2     Running   0          66m
   
   
root@open-source:/home/ubuntu/kylin-kubernetes/kubernetes/example/deployment# 
kubectl get statefulset -n kylin-example
   NAME              READY   AGE
   kylin-job         3/3     115m
   kylin-memcached   1/1     131m
   kylin-query       1/1     66m
   
   root@open-source:/home/ubuntu/example/deployment# docker ps | grep kylin-job-
   da9c0cf239e4        a9acac7280fe             "/usr/local/bin/dock…"   8 
minutes ago       Up 8 minutes                            
k8s_filebeat_kylin-job-0_kylin-example_26c08037-0543-4e15-9ac2-54021266a52b_0
   06ff2e6a2d3e        7ea27faa653f             "sh -c 'cp $KYLIN_HO…"   8 
minutes ago       Up 8 minutes                            
k8s_kylin_kylin-job-0_kylin-example_26c08037-0543-4e15-9ac2-54021266a52b_0
   87062bb80c1b        k8s.gcr.io/pause:3.2     "/pause"                 8 
minutes ago       Up 8 minutes                            
k8s_POD_kylin-job-0_kylin-example_26c08037-0543-4e15-9ac2-54021266a52b_0
   91d96d1bee0f        a9acac7280fe             "/usr/local/bin/dock…"   8 
minutes ago       Up 8 minutes                            
k8s_filebeat_kylin-job-2_kylin-example_93cc142c-0dc8-4e5e-886d-4408fac76c5d_0
   d5d352acbb8d        7ea27faa653f             "sh -c 'cp $KYLIN_HO…"   8 
minutes ago       Up 8 minutes                            
k8s_kylin_kylin-job-2_kylin-example_93cc142c-0dc8-4e5e-886d-4408fac76c5d_0
   ad05de976d8a        k8s.gcr.io/pause:3.2     "/pause"                 8 
minutes ago       Up 8 minutes                            
k8s_POD_kylin-job-2_kylin-example_93cc142c-0dc8-4e5e-886d-4408fac76c5d_0
   41de3f26e592        a9acac7280fe             "/usr/local/bin/dock…"   8 
minutes ago       Up 8 minutes                            
k8s_filebeat_kylin-job-1_kylin-example_b83623a1-c8a4-456f-95e3-fce19d78afb1_0
   b3666e72bc7b        7ea27faa653f             "sh -c 'cp $KYLIN_HO…"   8 
minutes ago       Up 8 minutes                            
k8s_kylin_kylin-job-1_kylin-example_b83623a1-c8a4-456f-95e3-fce19d78afb1_0
   1489fd6e04db        k8s.gcr.io/pause:3.2     "/pause"                 8 
minutes ago       Up 8 minutes                            
k8s_POD_kylin-job-1_kylin-example_b83623a1-c8a4-456f-95e3-fce19d78afb1_0
   root@open-source:/home/ubuntu/example/deployment#
   ```
   
   - Instance List
   <img width="1189" alt="image" 
src="https://user-images.githubusercontent.com/14030549/80381674-dcaca380-88d3-11ea-9b43-96ffc452b319.png";>
   
   - Test another build
   <img width="1375" alt="image" 
src="https://user-images.githubusercontent.com/14030549/80383050-aa03aa80-88d5-11ea-8424-52825dd0d8cd.png";>
   
   
   - Force kill Active JobServer(Failover Test)
   ```shell
   root@open-source:/home/ubuntu/example/deployment# docker kill b3666e72bc7b
   b3666e72bc7b
   ```
   
   - Check current active job server
   <img width="1190" alt="image" 
src="https://user-images.githubusercontent.com/14030549/80383200-df0ffd00-88d5-11ea-8474-f21de4d0a6e3.png";>
   
   - Test a third build
   <img width="1376" alt="image" 
src="https://user-images.githubusercontent.com/14030549/80384382-6447e180-88d7-11ea-9732-263d13d76115.png";>
   


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