Run vs Fun

A simple exercise learning

• How to deploy a simple golang webapp using
  • Google Cloud Run
  • Google Cloud Functions
  • Google App Engine
• How to use the Google Cloud SDK
• How to use the Google Cloud CLI
• Comparison of the two services wrt load test
• Comparison of different docker base images

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Loadtest results

1. Using locust

   

2. Using hey

   • Cloud Function

     https://{URL}/gogcp-all
     
     
     Summary:
       Total:        8.0502 secs
       Slowest:      5.6557 secs
       Fastest:      0.2379 secs
       Average:      0.6093 secs
       Requests/sec: 1242.2126
       
       Total data:   960202 bytes
       Size/request: 96 bytes
     
     Response time histogram:
       0.238 [1]     |
       0.780 [8133]  |■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
       1.321 [817]   |■■■■
       1.863 [501]   |■■
       2.405 [360]   |■■
       2.947 [105]   |■
       3.489 [52]    |
       4.030 [17]    |
       4.572 [2]     |
       5.114 [5]     |
       5.656 [7]     |
     
     
     Latency distribution:
       10% in 0.3006 secs
       25% in 0.3324 secs
       50% in 0.3841 secs
       75% in 0.5971 secs
       90% in 1.4072 secs
       95% in 1.9063 secs
       99% in 2.8059 secs
     
     Details (average, fastest, slowest):
       DNS+dialup:   0.0424 secs, 0.2379 secs, 5.6557 secs
       DNS-lookup:   0.0196 secs, 0.0000 secs, 0.2972 secs
       req write:    0.0001 secs, 0.0000 secs, 0.0055 secs
       resp wait:    0.4350 secs, 0.2376 secs, 3.9747 secs
       resp read:    0.0001 secs, 0.0000 secs, 0.0047 secs
     
     Status code distribution:
       [200] 9999 responses
       [503] 1 responses

   • Cloud Run

     https://{URL}/api/users
     
     Summary:
       Total:        6.7637 secs
       Slowest:      3.9146 secs
       Fastest:      0.2399 secs
       Average:      0.5158 secs
       Requests/sec: 1478.4719
       
       Total data:   960000 bytes
       Size/request: 96 bytes
     
     Response time histogram:
       0.240 [1]     |
       0.607 [8129]  |■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
       0.975 [656]   |■■■
       1.342 [505]   |■■
       1.710 [389]   |■■
       2.077 [180]   |■
       2.445 [72]    |
       2.812 [43]    |
       3.180 [12]    |
       3.547 [6]     |
       3.915 [7]     |
     
     
     Latency distribution:
       10% in 0.2666 secs
       25% in 0.2833 secs
       50% in 0.3674 secs
       75% in 0.4676 secs
       90% in 1.0801 secs
       95% in 1.5017 secs
       99% in 2.2410 secs
     
     Details (average, fastest, slowest):
       DNS+dialup:   0.0470 secs, 0.2399 secs, 3.9146 secs
       DNS-lookup:   0.0166 secs, 0.0000 secs, 0.2521 secs
       req write:    0.0000 secs, 0.0000 secs, 0.0074 secs
       resp wait:    0.3931 secs, 0.2397 secs, 3.1492 secs
       resp read:    0.0001 secs, 0.0000 secs, 0.0060 secs
     
     Status code distribution:
       [200] 10000 responses

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Image Comparisons

Size?

Config	No Alpine	Alpine
No Distroless	1.01GB	381.13MB
Distroless	9.47MB	9.47MB

Works with CGO_ENABLED=1?

Config	No Alpine	Alpine
No Distroless	YES	YES
Distroless	NO	NO