During the 1st two intervals, the success ratio remained constant with 1 replica. As the error rate increased KEDA started scaling applications, whose resultant action can be seen by improved success ratio.
❯ bash load.sh
Requests [total, rate, throughput] 100, 100.90, 32.60
Duration [total, attack, wait] 1.533873128s, 991.125504ms, 542.747624ms
Latencies [mean, 50, 95, 99, max] 531.583998ms, 522.998243ms, 1.135576209s, 1.210611327s, 1.221199078s
Bytes In [total, mean] 3994, 39.94
Bytes Out [total, mean] 0, 0.00
Success [ratio] 50.00%
Status Codes [code:count] 200:50 500:50
Error Set:
500 Internal Server Error
Attack for completed, iteration 1/20.
Requests [total, rate, throughput] 100, 101.01, 25.31
Duration [total, attack, wait] 2.015022284s, 990.024693ms, 1.024997591s
Latencies [mean, 50, 95, 99, max] 540.398507ms, 1.008526156s, 1.105414786s, 1.230161211s, 1.235069481s
Bytes In [total, mean] 4039, 40.39
Bytes Out [total, mean] 0, 0.00
Success [ratio] 51.00%
Status Codes [code:count] 200:51 500:49
Error Set:
500 Internal Server Error
Attack for completed, iteration 2/20.
Requests [total, rate, throughput] 100, 101.04, 48.62
Duration [total, attack, wait] 2.056655297s, 989.735319ms, 1.066919978s
Latencies [mean, 50, 95, 99, max] 1.071611898s, 1.046408091s, 1.250479s, 1.28644823s, 1.296641423s
Bytes In [total, mean] 5987, 59.87
Bytes Out [total, mean] 0, 0.00
Success [ratio] 70.00%
Status Codes [code:count] 200:70 500:30
Error Set:
Attack for completed, iteration 3/20.
Requests [total, rate, throughput] 100, 101.04, 45.69
Duration [total, attack, wait] 2.166582685s, 989.747123ms, 1.176835562s
Latencies [mean, 50, 95, 99, max] 1.060029281s, 1.037487826s, 1.211447016s, 1.250660058s, 1.26766328s
Bytes In [total, mean] 5948, 59.48
Bytes Out [total, mean] 0, 0.00
Success [ratio] 80.00%
Status Codes [code:count] 200:80 500:20
Error Set:
500 Internal Server Error
Attack for completed, iteration 4/20.
Requests [total, rate, throughput] 100, 100.93, 45.01
Duration [total, attack, wait] 1.999666891s, 990.817295ms, 1.008849596s
Latencies [mean, 50, 95, 99, max] 932.347941ms, 1.01728488s, 1.096900389s, 1.135570811s, 1.139875131s
Bytes In [total, mean] 5594, 55.94
Bytes Out [total, mean] 0, 0.00
Success [ratio] 98.00%
Status Codes [code:count] 200:98 500:2
Error Set:
500 Internal Server Error
Attack for completed, iteration 6/20.
Requests [total, rate, throughput] 100, 100.99, 47.66
Duration [total, attack, wait] 1.951267076s, 990.148768ms, 961.118308ms
Latencies [mean, 50, 95, 99, max] 953.814755ms, 1.016928642s, 1.059658518s, 1.075381866s, 1.084935868s
Bytes In [total, mean] 5712, 57.12
Bytes Out [total, mean] 0, 0.00
Success [ratio] 93.00%
Status Codes [code:count] 200:93 500:7
Error Set:
500 Internal Server Error
Attack for completed, iteration 8/20.
Requests [total, rate, throughput] 100, 101.00, 48.90
Duration [total, attack, wait] 2.044873866s, 990.054865ms, 1.054819001s
Latencies [mean, 50, 95, 99, max] 1.044694019s, 1.025950457s, 1.091682248s, 1.529444546s, 1.935019526s
Bytes In [total, mean] 5987, 59.87
Bytes Out [total, mean] 0, 0.00
Success [ratio] 100.00%
Status Codes [code:count] 200:100
Error Set:
Attack for completed, iteration 10/20.
...
Load test completed.