FrankYang0529 commented on PR #20000:
URL: https://github.com/apache/kafka/pull/20000#issuecomment-3633043052
Performance for skipping partition racks collection if member racks is empty.
<details>
<summary>PR: Uniform Homogeneous rack awareness vs non rack
awareness</summary>
```
Benchmark (assignmentType) (assignorType)
(isRackAware) (memberCount) (partitionsToMemberRatio) (subscriptionType)
(topicCount) Mode Cnt Score Error Units
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 5 HOMOGENEOUS
10 avgt 3 0.076 ± 0.006 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 5 HOMOGENEOUS
100 avgt 3 0.104 ± 0.006 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 5 HOMOGENEOUS
1000 avgt 3 0.202 ± 0.007 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 10 HOMOGENEOUS
10 avgt 3 0.147 ± 0.017 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 10 HOMOGENEOUS
100 avgt 3 0.203 ± 0.015 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 10 HOMOGENEOUS
1000 avgt 3 0.484 ± 0.016 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 50 HOMOGENEOUS
10 avgt 3 0.987 ± 0.152 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 50 HOMOGENEOUS
100 avgt 3 0.928 ± 0.100 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 100 50 HOMOGENEOUS
1000 avgt 3 1.584 ± 0.103 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 5 HOMOGENEOUS
10 avgt 3 0.495 ± 0.049 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 5 HOMOGENEOUS
100 avgt 3 0.652 ± 0.078 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 5 HOMOGENEOUS
1000 avgt 3 0.980 ± 0.091 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 10 HOMOGENEOUS
10 avgt 3 1.014 ± 0.489 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 10 HOMOGENEOUS
100 avgt 3 1.181 ± 0.143 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 10 HOMOGENEOUS
1000 avgt 3 1.744 ± 0.149 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 50 HOMOGENEOUS
10 avgt 3 4.959 ± 0.106 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 50 HOMOGENEOUS
100 avgt 3 5.699 ± 0.293 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 500 50 HOMOGENEOUS
1000 avgt 3 6.002 ± 0.093 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 5 HOMOGENEOUS
10 avgt 3 1.153 ± 0.350 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 5 HOMOGENEOUS
100 avgt 3 1.266 ± 0.278 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 5 HOMOGENEOUS
1000 avgt 3 2.034 ± 0.052 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 10 HOMOGENEOUS
10 avgt 3 2.097 ± 0.360 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 10 HOMOGENEOUS
100 avgt 3 2.222 ± 0.417 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 10 HOMOGENEOUS
1000 avgt 3 3.307 ± 0.382 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 50 HOMOGENEOUS
10 avgt 3 10.831 ± 1.128 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 50 HOMOGENEOUS
100 avgt 3 11.280 ± 0.256 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 1000 50 HOMOGENEOUS
1000 avgt 3 14.183 ± 0.331 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 5 HOMOGENEOUS
10 avgt 3 6.737 ± 0.631 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 5 HOMOGENEOUS
100 avgt 3 6.903 ± 0.218 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 5 HOMOGENEOUS
1000 avgt 3 8.311 ± 0.345 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 10 HOMOGENEOUS
10 avgt 3 11.549 ± 0.579 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 10 HOMOGENEOUS
100 avgt 3 12.806 ± 0.509 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 10 HOMOGENEOUS
1000 avgt 3 13.570 ± 0.959 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 50 HOMOGENEOUS
10 avgt 3 53.186 ± 0.817 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 50 HOMOGENEOUS
100 avgt 3 54.987 ± 1.524 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 5000 50 HOMOGENEOUS
1000 avgt 3 61.630 ± 7.013 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 5 HOMOGENEOUS
10 avgt 3 16.396 ± 0.826 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 5 HOMOGENEOUS
100 avgt 3 16.206 ± 1.633 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 5 HOMOGENEOUS
1000 avgt 3 19.322 ± 0.453 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 10 HOMOGENEOUS
10 avgt 3 25.467 ± 0.830 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 10 HOMOGENEOUS
100 avgt 3 27.552 ± 2.128 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 10 HOMOGENEOUS
1000 avgt 3 30.393 ± 1.697 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 50 HOMOGENEOUS
10 avgt 3 155.069 ± 49.859 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 50 HOMOGENEOUS
100 avgt 3 150.892 ± 68.382 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
true 10000 50 HOMOGENEOUS
1000 avgt 3 164.563 ± 48.789 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 5 HOMOGENEOUS
10 avgt 3 0.016 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 5 HOMOGENEOUS
100 avgt 3 0.021 ± 0.002 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 5 HOMOGENEOUS
1000 avgt 3 0.128 ± 0.009 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 10 HOMOGENEOUS
10 avgt 3 0.023 ± 0.002 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 10 HOMOGENEOUS
100 avgt 3 0.028 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 10 HOMOGENEOUS
1000 avgt 3 0.183 ± 0.006 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 50 HOMOGENEOUS
10 avgt 3 0.101 ± 0.004 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 50 HOMOGENEOUS
100 avgt 3 0.104 ± 0.009 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 100 50 HOMOGENEOUS
1000 avgt 3 0.257 ± 0.019 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 5 HOMOGENEOUS
10 avgt 3 0.079 ± 0.012 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 5 HOMOGENEOUS
100 avgt 3 0.090 ± 0.009 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 5 HOMOGENEOUS
1000 avgt 3 0.252 ± 0.009 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 10 HOMOGENEOUS
10 avgt 3 0.122 ± 0.013 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 10 HOMOGENEOUS
100 avgt 3 0.128 ± 0.026 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 10 HOMOGENEOUS
1000 avgt 3 0.307 ± 0.046 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 50 HOMOGENEOUS
10 avgt 3 0.553 ± 0.035 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 50 HOMOGENEOUS
100 avgt 3 0.558 ± 0.060 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 500 50 HOMOGENEOUS
1000 avgt 3 0.742 ± 0.015 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 5 HOMOGENEOUS
10 avgt 3 0.181 ± 0.031 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 5 HOMOGENEOUS
100 avgt 3 0.193 ± 0.010 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 5 HOMOGENEOUS
1000 avgt 3 0.366 ± 0.049 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 10 HOMOGENEOUS
10 avgt 3 0.257 ± 0.106 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 10 HOMOGENEOUS
100 avgt 3 0.269 ± 0.003 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 10 HOMOGENEOUS
1000 avgt 3 0.465 ± 0.073 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 50 HOMOGENEOUS
10 avgt 3 1.125 ± 0.060 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 50 HOMOGENEOUS
100 avgt 3 1.161 ± 0.011 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 1000 50 HOMOGENEOUS
1000 avgt 3 1.327 ± 0.037 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 5 HOMOGENEOUS
10 avgt 3 1.122 ± 0.033 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 5 HOMOGENEOUS
100 avgt 3 1.285 ± 0.182 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 5 HOMOGENEOUS
1000 avgt 3 1.599 ± 0.165 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 10 HOMOGENEOUS
10 avgt 3 1.558 ± 0.162 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 10 HOMOGENEOUS
100 avgt 3 1.738 ± 0.252 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 10 HOMOGENEOUS
1000 avgt 3 2.006 ± 0.212 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 50 HOMOGENEOUS
10 avgt 3 6.069 ± 0.210 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 50 HOMOGENEOUS
100 avgt 3 5.869 ± 0.141 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 5000 50 HOMOGENEOUS
1000 avgt 3 6.415 ± 0.542 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 5 HOMOGENEOUS
10 avgt 3 2.500 ± 0.121 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 5 HOMOGENEOUS
100 avgt 3 2.688 ± 0.381 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 5 HOMOGENEOUS
1000 avgt 3 3.184 ± 0.179 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 10 HOMOGENEOUS
10 avgt 3 3.251 ± 0.133 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 10 HOMOGENEOUS
100 avgt 3 3.534 ± 0.099 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 10 HOMOGENEOUS
1000 avgt 3 3.947 ± 0.188 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 50 HOMOGENEOUS
10 avgt 3 11.955 ± 0.334 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 50 HOMOGENEOUS
100 avgt 3 12.122 ± 0.760 ms/op
ServerSideAssignorBenchmark.doAssignment FULL UNIFORM
false 10000 50 HOMOGENEOUS
1000 avgt 3 13.351 ± 0.678 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 5 HOMOGENEOUS
10 avgt 3 0.067 ± 0.002 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 5 HOMOGENEOUS
100 avgt 3 0.089 ± 0.005 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 5 HOMOGENEOUS
1000 avgt 3 0.200 ± 0.011 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 10 HOMOGENEOUS
10 avgt 3 0.133 ± 0.016 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 10 HOMOGENEOUS
100 avgt 3 0.189 ± 0.018 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 10 HOMOGENEOUS
1000 avgt 3 0.437 ± 0.020 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 50 HOMOGENEOUS
10 avgt 3 0.998 ± 0.066 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 50 HOMOGENEOUS
100 avgt 3 1.052 ± 0.043 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 100 50 HOMOGENEOUS
1000 avgt 3 2.028 ± 0.209 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 5 HOMOGENEOUS
10 avgt 3 0.513 ± 0.108 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 5 HOMOGENEOUS
100 avgt 3 0.663 ± 0.051 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 5 HOMOGENEOUS
1000 avgt 3 0.924 ± 0.074 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 10 HOMOGENEOUS
10 avgt 3 1.093 ± 0.208 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 10 HOMOGENEOUS
100 avgt 3 1.243 ± 0.059 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 10 HOMOGENEOUS
1000 avgt 3 2.042 ± 0.173 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 50 HOMOGENEOUS
10 avgt 3 4.943 ± 0.311 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 50 HOMOGENEOUS
100 avgt 3 5.364 ± 0.470 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 500 50 HOMOGENEOUS
1000 avgt 3 7.149 ± 0.140 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 5 HOMOGENEOUS
10 avgt 3 1.274 ± 0.261 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 5 HOMOGENEOUS
100 avgt 3 1.423 ± 0.088 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 5 HOMOGENEOUS
1000 avgt 3 2.135 ± 0.189 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 10 HOMOGENEOUS
10 avgt 3 2.229 ± 0.178 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 10 HOMOGENEOUS
100 avgt 3 2.618 ± 0.438 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 10 HOMOGENEOUS
1000 avgt 3 3.556 ± 0.410 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 50 HOMOGENEOUS
10 avgt 3 11.908 ± 0.202 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 50 HOMOGENEOUS
100 avgt 3 12.963 ± 0.695 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 1000 50 HOMOGENEOUS
1000 avgt 3 14.326 ± 1.314 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 5 HOMOGENEOUS
10 avgt 3 6.911 ± 0.127 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 5 HOMOGENEOUS
100 avgt 3 7.251 ± 0.294 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 5 HOMOGENEOUS
1000 avgt 3 9.654 ± 0.462 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 10 HOMOGENEOUS
10 avgt 3 14.080 ± 0.483 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 10 HOMOGENEOUS
100 avgt 3 14.240 ± 0.841 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 10 HOMOGENEOUS
1000 avgt 3 16.771 ± 0.502 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 50 HOMOGENEOUS
10 avgt 3 62.751 ± 0.607 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 50 HOMOGENEOUS
100 avgt 3 64.278 ± 7.344 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 5000 50 HOMOGENEOUS
1000 avgt 3 70.597 ± 6.652 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 5 HOMOGENEOUS
10 avgt 3 15.899 ± 1.099 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 5 HOMOGENEOUS
100 avgt 3 17.220 ± 1.465 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 5 HOMOGENEOUS
1000 avgt 3 18.584 ± 1.696 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 10 HOMOGENEOUS
10 avgt 3 30.809 ± 0.887 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 10 HOMOGENEOUS
100 avgt 3 30.625 ± 1.796 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 10 HOMOGENEOUS
1000 avgt 3 33.665 ± 2.565 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 50 HOMOGENEOUS
10 avgt 3 153.244 ± 32.043 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 50 HOMOGENEOUS
100 avgt 3 156.668 ± 23.562 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
true 10000 50 HOMOGENEOUS
1000 avgt 3 159.644 ± 45.042 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 5 HOMOGENEOUS
10 avgt 3 0.009 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 5 HOMOGENEOUS
100 avgt 3 0.016 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 5 HOMOGENEOUS
1000 avgt 3 0.127 ± 0.007 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 10 HOMOGENEOUS
10 avgt 3 0.013 ± 0.002 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 10 HOMOGENEOUS
100 avgt 3 0.019 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 10 HOMOGENEOUS
1000 avgt 3 0.162 ± 0.003 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 50 HOMOGENEOUS
10 avgt 3 0.066 ± 0.005 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 50 HOMOGENEOUS
100 avgt 3 0.059 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 100 50 HOMOGENEOUS
1000 avgt 3 0.242 ± 0.008 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 5 HOMOGENEOUS
10 avgt 3 0.045 ± 0.004 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 5 HOMOGENEOUS
100 avgt 3 0.053 ± 0.001 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 5 HOMOGENEOUS
1000 avgt 3 0.228 ± 0.006 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 10 HOMOGENEOUS
10 avgt 3 0.060 ± 0.002 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 10 HOMOGENEOUS
100 avgt 3 0.064 ± 0.007 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 10 HOMOGENEOUS
1000 avgt 3 0.254 ± 0.019 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 50 HOMOGENEOUS
10 avgt 3 0.243 ± 0.132 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 50 HOMOGENEOUS
100 avgt 3 0.218 ± 0.061 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 500 50 HOMOGENEOUS
1000 avgt 3 0.434 ± 0.108 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 5 HOMOGENEOUS
10 avgt 3 0.107 ± 0.014 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 5 HOMOGENEOUS
100 avgt 3 0.116 ± 0.004 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 5 HOMOGENEOUS
1000 avgt 3 0.307 ± 0.022 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 10 HOMOGENEOUS
10 avgt 3 0.131 ± 0.041 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 10 HOMOGENEOUS
100 avgt 3 0.147 ± 0.010 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 10 HOMOGENEOUS
1000 avgt 3 0.349 ± 0.022 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 50 HOMOGENEOUS
10 avgt 3 0.430 ± 0.067 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 50 HOMOGENEOUS
100 avgt 3 0.464 ± 0.261 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 1000 50 HOMOGENEOUS
1000 avgt 3 0.603 ± 0.030 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 5 HOMOGENEOUS
10 avgt 3 0.776 ± 0.081 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 5 HOMOGENEOUS
100 avgt 3 0.855 ± 0.060 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 5 HOMOGENEOUS
1000 avgt 3 1.149 ± 0.020 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 10 HOMOGENEOUS
10 avgt 3 0.927 ± 0.087 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 10 HOMOGENEOUS
100 avgt 3 0.982 ± 0.207 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 10 HOMOGENEOUS
1000 avgt 3 1.255 ± 0.074 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 50 HOMOGENEOUS
10 avgt 3 2.157 ± 0.137 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 50 HOMOGENEOUS
100 avgt 3 2.496 ± 0.178 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 5000 50 HOMOGENEOUS
1000 avgt 3 2.467 ± 0.073 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 5 HOMOGENEOUS
10 avgt 3 1.703 ± 0.023 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 5 HOMOGENEOUS
100 avgt 3 1.808 ± 0.052 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 5 HOMOGENEOUS
1000 avgt 3 2.125 ± 0.130 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 10 HOMOGENEOUS
10 avgt 3 1.826 ± 0.041 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 10 HOMOGENEOUS
100 avgt 3 1.906 ± 0.117 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 10 HOMOGENEOUS
1000 avgt 3 2.462 ± 0.097 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 50 HOMOGENEOUS
10 avgt 3 7.307 ± 0.663 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 50 HOMOGENEOUS
100 avgt 3 6.184 ± 0.589 ms/op
ServerSideAssignorBenchmark.doAssignment INCREMENTAL UNIFORM
false 10000 50 HOMOGENEOUS
1000 avgt 3 6.989 ± 0.610 ms/op
```
</details>
@dajac @squah-confluent I follow the suggestion and the performance for
non-rackaware cases are similar as trunk branch. However, the rackaware cases
still cost around 160ms. Since we only run assignment algorithm when group
epoch is larger than member epoch, I think the result don't influence too much
for normal heartbeat request. WDYT? Thank you.
| assignmentType | memberCount | partitionsToMemberRatio | subscriptionType
| topicCount | Mode | Cnt | Trunk & Non-RackAware | PR & Non-RackAware | PR
& RackAware |
|----------------|-------------|-------------------------|------------------|------------|------|-----|-----------------------|------------------------|------------------------|
| FULL | 10000 | 50 | HOMOGENEOUS
| 1000 | avgt | 3 | 12.305 ± 1.321 ms/op | 13.351 ± 0.678 ms/op |
164.563 ± 48.789 ms/op |
| INCREMENTAL | 10000 | 50 | HOMOGENEOUS
| 1000 | avgt | 3 | 5.778 ± 0.643 ms/op | 6.989 ± 0.610 ms/op |
159.644 ± 45.042 ms/op |
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