Summary

Logging performance comparison between Serilog and NLog.

Dev info

1. Windows 10 Education x64
2. Microsoft Visual Studio Enterprise 2017 15.7.3
3. .NET Core 2.0

Computer infomation

1. Intel i5-7500 3.40GHz
2. 16GB
3. Intel 600P 256G

Involving library

1. LibLog

Referenced document

1. Serilog vs NLog Benchmarks

2. .NET low latency logging. Part 1 - Testing environment, Sample application, Best performance!

Benchmarks 1

Arrange

Write target: File Test input count: 1000000 Producer: 1

Serilog

Generated 1000000 values in 3506ms (throughput = 285199.451 ops per second) Mean latency = 3.474mcs 99% observations less than = 15.624mcs 99.99% observations less than = 125.596mcs 0) 2.404 - 3.7258 = 950441

1. 3.726 - 5.0479 = 15937
2. 5.048 - 6.3699 = 2294
3. 6.370 - 7.6920 = 3218
4. 7.692 - 9.0141 = 10559
5. 9.014 - 10.3361 = 1593
6. 10.336 - 11.6582 = 630
7. 11.658 - 12.9803 = 705
8. 12.980 - 14.3023 = 466
9. 14.302 - 15.6244 = 5128

NLog

Generated 1000000 values in 7256ms (throughput = 137812.554 ops per second) Mean latency = 7.225mcs 99% observations less than = 434.178mcs 99.99% observations less than = 1055.547mcs 0) 0.901 - 44.2290 = 989657

1. 44.229 - 87.5566 = 46
2. 87.557 - 130.8843 = 12
3. 130.884 - 174.2119 = 230
4. 174.212 - 217.5395 = 43
5. 217.540 - 260.8671 = 6
6. 260.867 - 304.1948 = 1
7. 304.195 - 347.5224 = 2
8. 347.522 - 390.8500 = 0
9. 390.850 - 434.1776 = 5

Benchmarks 2

Arrange

Write target: File Test input count: 5000000 Producer: 1

Serilog

Generated 5000000 values in 17053ms (throughput = 293191.681 ops per second) Mean latency = 3.381mcs 99% observations less than = 15.324mcs 99.99% observations less than = 120.789mcs 0) 2.404 - 3.6958 = 4746369

1. 3.696 - 4.9878 = 97342
2. 4.988 - 6.2798 = 7559
3. 6.280 - 7.5718 = 6611
4. 7.572 - 8.8638 = 58916
5. 8.864 - 10.1559 = 10432
6. 10.156 - 11.4479 = 3673
7. 11.448 - 12.7399 = 1609
8. 12.740 - 14.0319 = 1525
9. 14.032 - 15.3239 = 19770

NLog

Generated 5000000 values in 38294ms (throughput = 130567.331 ops per second) Mean latency = 7.628mcs 99% observations less than = 462.422mcs 99.99% observations less than = 1126.458mcs 0) 0.901 - 47.0534 = 4947863

1. 47.053 - 93.2055 = 445
2. 93.205 - 139.3575 = 825
3. 139.357 - 185.5095 = 684
4. 185.510 - 231.6616 = 116
5. 231.662 - 277.8136 = 29
6. 277.814 - 323.9656 = 16
7. 323.966 - 370.1176 = 5
8. 370.118 - 416.2697 = 1
9. 416.270 - 462.4217 = 17