jolshan commented on pull request #9944:
URL: https://github.com/apache/kafka/pull/9944#issuecomment-804157913
New benchmark results: These are pretty similar to the previous results, but
thought I should include to compare to updated code (both this branch and
trunk). Note: I have modified
`FetchResponseBenchmark.testConstructFetchResponse` on trunk to match the
benchmark in this branch (so it doesn't count the time to build the map) and
added `FetchResponseBenchmark.testPartitionMapFromData` to the trunk code to
capture that benchmark.
```
Fetch
Benchmark (partitionCount)
(topicCount) Mode Cnt Score Error Units
FetchRequestBenchmark.testFetchRequestForConsumer 3
10 avgt 15 2513.943 ± 415.731 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 3
500 avgt 15 152716.705 ± 1169.791 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 3
1000 avgt 15 314334.583 ± 1230.334 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
10 avgt 15 7483.647 ± 109.257 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
500 avgt 15 539688.305 ± 2178.270 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
1000 avgt 15 1106936.678 ± 4969.437 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
10 avgt 15 15174.929 ± 67.138 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
500 avgt 15 1061724.363 ± 6329.465 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
1000 avgt 15 2190539.013 ± 8329.123 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
10 avgt 15 2191.833 ± 16.787 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
500 avgt 15 148223.696 ± 575.298 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
1000 avgt 15 317739.517 ± 1580.710 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
10 avgt 15 7479.487 ± 46.636 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
500 avgt 15 534501.931 ± 5759.415 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
1000 avgt 15 1082065.823 ± 5310.751 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
10 avgt 15 15014.392 ± 66.179 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
500 avgt 15 1079151.542 ± 6971.914 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
1000 avgt 15 2204921.180 ± 18698.376 ns/op
FetchRequestBenchmark.testRequestToJson 3
10 avgt 15 15060.391 ± 76.234 ns/op
FetchRequestBenchmark.testRequestToJson 3
500 avgt 15 1037511.828 ± 10186.816 ns/op
FetchRequestBenchmark.testRequestToJson 3
1000 avgt 15 2428605.795 ± 46757.277 ns/op
FetchRequestBenchmark.testRequestToJson 10
10 avgt 15 51935.569 ± 520.989 ns/op
FetchRequestBenchmark.testRequestToJson 10
500 avgt 15 4133608.072 ± 84115.319 ns/op
FetchRequestBenchmark.testRequestToJson 10
1000 avgt 15 8401540.617 ± 171000.272 ns/op
FetchRequestBenchmark.testRequestToJson 20
10 avgt 15 110340.442 ± 5405.039 ns/op
FetchRequestBenchmark.testRequestToJson 20
500 avgt 15 8488368.643 ± 92951.458 ns/op
FetchRequestBenchmark.testRequestToJson 20
1000 avgt 15 17055209.055 ± 332859.772 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
10 avgt 15 1837.114 ± 170.773 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
500 avgt 15 89634.386 ± 506.178 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
1000 avgt 15 184862.727 ± 1543.592 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
10 avgt 15 5115.297 ± 70.363 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
500 avgt 15 298023.785 ± 1871.931 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
1000 avgt 15 659030.320 ± 3412.489 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
10 avgt 15 9698.646 ± 46.020 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
500 avgt 15 657611.389 ± 5235.813 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
1000 avgt 15 1339394.227 ± 9291.111 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
10 avgt 15 1640.041 ± 6.537 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
500 avgt 15 93345.364 ± 343.904 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
1000 avgt 15 183216.037 ± 945.579 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
10 avgt 15 5066.202 ± 47.965 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
500 avgt 15 303592.758 ± 2061.786 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
1000 avgt 15 662593.894 ± 2737.712 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
10 avgt 15 9680.561 ± 52.885 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
500 avgt 15 656429.749 ± 4207.257 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
1000 avgt 15 1341316.420 ± 8622.927 ns/op
Benchmark (partitionCount)
(topicCount) Mode Cnt Score Error Units
FetchResponseBenchmark.testConstructFetchResponse 3
10 avgt 15 429.689 ± 49.203 ns/op
FetchResponseBenchmark.testConstructFetchResponse 3
500 avgt 15 27191.314 ± 969.304 ns/op
FetchResponseBenchmark.testConstructFetchResponse 3
1000 avgt 15 54609.939 ± 169.692 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
10 avgt 15 996.322 ± 14.198 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
500 avgt 15 57757.996 ± 366.309 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
1000 avgt 15 130669.716 ± 6234.372 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
10 avgt 15 2038.619 ± 20.194 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
500 avgt 15 124396.366 ± 805.140 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
1000 avgt 15 261012.164 ± 733.139 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
10 avgt 15 560.513 ± 2.225 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
500 avgt 15 52098.726 ± 406.047 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
1000 avgt 15 128846.871 ± 4509.988 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
10 avgt 15 2037.149 ± 5.601 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
500 avgt 15 201449.659 ± 2690.096 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
1000 avgt 15 427601.877 ± 5691.952 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
10 avgt 15 4030.068 ± 12.218 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
500 avgt 15 387226.408 ± 2523.183 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
1000 avgt 15 770982.841 ± 11992.521 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
10 avgt 15 2955.411 ± 14.808 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
500 avgt 15 143436.083 ± 1294.461 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
1000 avgt 15 293561.954 ± 2578.587 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
10 avgt 15 8933.056 ± 38.957 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
500 avgt 15 496541.930 ± 34518.643 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
1000 avgt 15 957331.163 ± 7047.265 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
10 avgt 15 17760.601 ± 105.999 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
500 avgt 15 937904.439 ± 14690.636 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
1000 avgt 15 2065319.843 ± 46528.926 ns/op
Benchmark (partitionCount)
(presize) (updatedPercentage) Mode Cnt Score Error Units
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 0 avgt 10 576.115 ± 2.859 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 10 avgt 10 582.959 ± 10.097 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 100 avgt 10 606.183 ± 2.631 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 0 avgt 10 600.190 ± 8.237 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 10 avgt 10 594.572 ± 4.345 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 100 avgt 10 584.634 ± 4.611 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 0 avgt 10 4656.369 ± 19.004 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 10 avgt 10 4568.124 ± 54.588 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 100 avgt 10 4530.730 ± 27.031 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 0 avgt 10 4589.372 ± 22.713 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 10 avgt 10 4752.522 ± 21.197 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 100 avgt 10 4586.602 ± 26.438 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 0 avgt 10 44526.038 ± 265.997 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 10 avgt 10 47580.321 ± 1031.519 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 100 avgt 10 44789.123 ± 285.570 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 0 avgt 10 40801.054 ± 182.021 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 10 avgt 10 44409.136 ± 307.825 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 100 avgt 10 40502.234 ± 175.220 ns/op
Benchmark (partitionCount) Mode Cnt
Score Error Units
ReplicaFetcherThreadBenchmark.testFetcher 100 avgt 15
9377.012 ± 68.996 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 500 avgt 15
62766.217 ± 3180.239 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 1000 avgt 15
128464.083 ± 8549.638 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 5000 avgt 15
787717.622 ± 7260.589 ns/op
```
```
Trunk
Benchmark (partitionCount)
(topicCount) Mode Cnt Score Error Units
FetchRequestBenchmark.testFetchRequestForConsumer 3
10 avgt 15 1936.125 ± 45.532 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 3
500 avgt 15 127336.689 ± 8173.394 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 3
1000 avgt 15 270903.955 ± 16727.003 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
10 avgt 15 7060.618 ± 19.812 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
500 avgt 15 450851.068 ± 2833.910 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 10
1000 avgt 15 910310.719 ± 9051.000 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
10 avgt 15 13825.501 ± 38.096 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
500 avgt 15 900659.720 ± 3961.264 ns/op
FetchRequestBenchmark.testFetchRequestForConsumer 20
1000 avgt 15 1862614.126 ± 10699.114 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
10 avgt 15 1839.562 ± 17.133 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
500 avgt 15 122223.311 ± 1906.955 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 3
1000 avgt 15 248782.848 ± 1009.325 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
10 avgt 15 6787.174 ± 29.854 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
500 avgt 15 466199.553 ± 39672.780 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 10
1000 avgt 15 907680.623 ± 10247.477 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
10 avgt 15 13562.511 ± 50.098 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
500 avgt 15 898779.141 ± 6018.894 ns/op
FetchRequestBenchmark.testFetchRequestForReplica 20
1000 avgt 15 1867214.540 ± 13506.135 ns/op
FetchRequestBenchmark.testRequestToJson 3
10 avgt 15 14783.888 ± 91.244 ns/op
FetchRequestBenchmark.testRequestToJson 3
500 avgt 15 948882.985 ± 23252.097 ns/op
FetchRequestBenchmark.testRequestToJson 3
1000 avgt 15 2117792.795 ± 24244.964 ns/op
FetchRequestBenchmark.testRequestToJson 10
10 avgt 15 47024.577 ± 189.143 ns/op
FetchRequestBenchmark.testRequestToJson 10
500 avgt 15 3713719.090 ± 163579.679 ns/op
FetchRequestBenchmark.testRequestToJson 10
1000 avgt 15 8002133.426 ± 83660.082 ns/op
FetchRequestBenchmark.testRequestToJson 20
10 avgt 15 94757.317 ± 557.963 ns/op
FetchRequestBenchmark.testRequestToJson 20
500 avgt 15 7800827.831 ± 150606.560 ns/op
FetchRequestBenchmark.testRequestToJson 20
1000 avgt 15 15321074.716 ± 398504.775 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
10 avgt 15 3285.808 ± 11.272 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
500 avgt 15 210356.502 ± 4789.004 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 3
1000 avgt 15 440500.520 ± 10693.950 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
10 avgt 15 10876.320 ± 51.664 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
500 avgt 15 676672.498 ± 3663.045 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 10
1000 avgt 15 1421419.755 ± 8848.171 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
10 avgt 15 19990.447 ± 99.136 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
500 avgt 15 1342374.799 ± 7937.563 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForConsumer 20
1000 avgt 15 2791607.418 ± 16509.206 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
10 avgt 15 3003.903 ± 14.183 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
500 avgt 15 210524.005 ± 2208.864 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 3
1000 avgt 15 442131.780 ± 3866.508 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
10 avgt 15 11764.283 ± 90.278 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
500 avgt 15 685599.971 ± 2927.185 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 10
1000 avgt 15 1504088.557 ± 131029.444 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
10 avgt 15 20774.527 ± 51.876 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
500 avgt 15 1371203.572 ± 4469.235 ns/op
FetchRequestBenchmark.testSerializeFetchRequestForReplica 20
1000 avgt 15 2809024.408 ± 35531.292 ns/op
Benchmark (partitionCount)
(topicCount) Mode Cnt Score Error Units
FetchResponseBenchmark.testConstructFetchResponse 3
10 avgt 15 356.305 ± 12.221 ns/op
FetchResponseBenchmark.testConstructFetchResponse 3
500 avgt 15 24022.377 ± 886.332 ns/op
FetchResponseBenchmark.testConstructFetchResponse 3
1000 avgt 15 40245.758 ± 2128.028 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
10 avgt 15 790.751 ± 8.224 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
500 avgt 15 49867.734 ± 148.832 ns/op
FetchResponseBenchmark.testConstructFetchResponse 10
1000 avgt 15 98405.835 ± 1057.373 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
10 avgt 15 1948.644 ± 161.175 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
500 avgt 15 113545.392 ± 780.223 ns/op
FetchResponseBenchmark.testConstructFetchResponse 20
1000 avgt 15 232817.481 ± 2769.065 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
10 avgt 15 710.229 ± 38.289 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
500 avgt 15 49871.098 ± 2736.391 ns/op
FetchResponseBenchmark.testPartitionMapFromData 3
1000 avgt 15 122454.268 ± 4258.654 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
10 avgt 15 2169.361 ± 52.146 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
500 avgt 15 207794.383 ± 8358.626 ns/op
FetchResponseBenchmark.testPartitionMapFromData 10
1000 avgt 15 428577.924 ± 25503.552 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
10 avgt 15 4181.377 ± 14.551 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
500 avgt 15 385121.266 ± 3287.874 ns/op
FetchResponseBenchmark.testPartitionMapFromData 20
1000 avgt 15 736875.677 ± 14129.803 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
10 avgt 15 3496.454 ± 43.246 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
500 avgt 15 190777.328 ± 2319.712 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 3
1000 avgt 15 382125.462 ± 2050.872 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
10 avgt 15 9455.503 ± 125.468 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
500 avgt 15 500987.000 ± 4585.356 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 10
1000 avgt 15 1031388.308 ± 12785.241 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
10 avgt 15 18419.122 ± 144.977 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
500 avgt 15 970914.093 ± 12905.127 ns/op
FetchResponseBenchmark.testSerializeFetchResponse 20
1000 avgt 15 2190984.813 ± 36793.127 ns/op
Benchmark (partitionCount)
(presize) (updatedPercentage) Mode Cnt Score Error Units
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 0 avgt 10 371.769 ± 6.228 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 10 avgt 10 373.283 ± 9.136 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
false 100 avgt 10 380.163 ± 9.308 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 0 avgt 10 351.078 ± 27.354 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 10 avgt 10 337.239 ± 1.760 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 10
true 100 avgt 10 338.392 ± 2.119 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 0 avgt 10 3361.587 ± 12.594 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 10 avgt 10 3343.437 ± 17.323 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
false 100 avgt 10 3356.499 ± 19.348 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 0 avgt 10 3231.819 ± 17.032 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 10 avgt 10 3204.732 ± 45.047 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 100
true 100 avgt 10 3219.814 ± 17.733 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 0 avgt 10 38165.578 ± 747.354 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 10 avgt 10 41128.785 ± 429.810 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
false 100 avgt 10 38743.515 ± 789.308 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 0 avgt 10 35758.991 ± 694.407 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 10 avgt 10 35220.420 ± 836.619 ns/op
FetchSessionBenchmark.incrementalFetchSessionBuild 1000
true 100 avgt 10 32722.983 ± 1424.316 ns/op
Benchmark (partitionCount) Mode Cnt
Score Error Units
ReplicaFetcherThreadBenchmark.testFetcher 100 avgt 15
7436.534 ± 54.461 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 500 avgt 15
51704.338 ± 716.880 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 1000 avgt 15
111854.545 ± 1755.612 ns/op
ReplicaFetcherThreadBenchmark.testFetcher 5000 avgt 15
787540.899 ± 9549.430 ns/op
```
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