本文阐述了腾讯云数据库 MongoDB 4.0 版本在多种工作负载条件下的性能表现，通过应用 YCSB 基准测试工具，详尽测试了数据库 throughput（ops/sec）每秒操作数、RAL(us) 平均读时延、WAL(us) 平均写时延等关键指标。其测试产品规格包含：2核4GB、4核8GB、6核16GB、12核32GB、24核64GB、24核128GB。
规格1: 2核4GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 500 | 2,000,000 | 8 | 10416 | - | 763 | 100% |
| 95% Update + 5% read | | | | 7070 | 1078 | 1129 | 100% |
| 50% Update + 50% read | | | | 9707 | 778 | 859 | 100% |
| 5% Update + 95% read | | | | 13297 | 593 | 678 | 100% |
| 100% update | | | | 7133 | - | 1116 | 100% |
| 100% read | | | | 16453 | 482 | - | 100% |
| 100% insert | | | | 8931 | - | 891 | 100% |
物理版 | load | 200 | | | 14063 | - | 565 | 100% |
| 95% Update + 5% read | | | | 6559 | 1122 | 1220 | 100% |
| 50% Update + 50% read | | | | 10031 | 744 | 842 | 100% |
| 5% Update + 95% read | | | | 19337 | 406 | 495 | 100% |
| 100% update | | | | 6865 | - | 1161 | 100% |
| 100% read | | | | 25663 | 307 | - | 100% |
| 100% insert | | | | 10322 | - | 771 | 100% |
规格2: 4核8GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 1000 | 4,000,000 | 16 | 19982 | - | 796 | 100% |
| 95% Update + 5% read | | | | 13252 | 1085 | 1208 | 100% |
| 50% Update + 50% read | | | | 18440 | 815 | 910 | 100% |
| 5% Update + 95% read | | | | 28279 | 557 | 634 | 100% |
| 100% update | | | | 13154 | - | 1211 | 100% |
| 100% read | | | | 33672 | 471 | - | 100% |
| 100% insert | | | | 17794 | - | 895 | 100% |
物理版 | load | 200 | | | 26494 | - | 600 | 100% |
| 95% Update + 5% read | | | | 16039 | 891 | 999 | 100% |
| 50% Update + 50% read | | | | 20982 | 710 | 809 | 100% |
| 5% Update + 95% read | | | | 39872 | 394 | 476 | 100% |
| 100% update | | | | 15372 | - | 1037 | 100% |
| 100% read | | | | 45988 | 345 | - | 100% |
| 100% insert | | | | 19624 | - | 809 | 100% |
规格3：6核16GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 1000 | 8,000,000 | 32 | 27080 | - | 1175 | 100% |
| 95% Update + 5% read | | | | 17323 | 1399 | 1864 | 100% |
| 50% Update + 50% read | | | | 21875 | 1364 | 1548 | 100% |
| 5% Update + 95% read | | | | 38538 | 820 | 921 | 100% |
| 100% update | | | | 16739 | - | 1905 | 100% |
| 100% read | | | | 44648 | 712 | - | 100% |
| 100% insert | | | | 23707 | - | 1344 | 100% |
物理版 | load | 200 | | | 34713 | - | 917 | 100% |
| 95% Update + 5% read | | | | 16746 | 918 | 1958 | 100% |
| 50% Update + 50% read | | | | 30463 | 927 | 1164 | 100% |
| 5% Update + 95% read | | | | 56846 | 554 | 653 | 100% |
| 100% update | | | | 16083 | - | 1985 | 100% |
| 100% read | | | | 51304 | 614 | - | 86%-91% |
| 100% insert | | | | 32038 | - | 995 | 100% |
规格4: 12核32GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 1000 | 16,000,000 | 64 | 46450 | 不涉及 | 1369 | 100% |
| 95% Update + 5% read | | | | 23453 | 1185 | 2801 | 64%-100% |
| 50% Update + 50% read | | | | 35023 | 1429 | 2206 | 83%-100% |
| 5% Update + 95% read | | | | 65098 | 970 | 1077 | 100% |
| 100% update | | | | 22338 | - | 2856 | 100% |
| 100% read | | | | 75752 | 838 | - | 100% |
| 100% insert | | | | 39236 | - | 1622 | 100% |
物理版 | load | 200 | | | 56989 | - | 1115 | 100% |
| 95% Update + 5% read | | | | 21544 | 860 | 3074 | 100% |
| 50% Update + 50% read | | | | 36838 | 865 | 2598 | 100% |
| 5% Update + 95% read | | | | 96856 | 648 | 787 | 100% |
| 100% update | | | | 20725 | - | 3080 | 100% |
| 100% read | | | | 104753 | 605 | - | 100% |
| 100% insert | | | | 49014 | - | 1300 | 100% |
规格5：24核64GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 1000 | 32,000,000 | 128 | 82710 | - | 1462 | 60%-100% |
| 95% Update + 5% read | | | | 19508 | 102931 | 1433 | 40%-90% |
| 50% Update + 50% read | | | | 52784 | 4225 | 605 | 40-100% |
| 5% Update + 95% read | | | | 113680 | 1144 | 693 | 75%-100% |
| 100% update | | | | 20837 | - | 5120 | 30-100% |
| 100% read | | | | 116587 | 1697 | - | 65% |
| 100% insert | | | | 84331 | - | 1436 | 80%-100% |
物理版 | load | 200 | | | 71664 | - | 1783 | 61% |
| 95% Update + 5% read | | | | 29924 | 2030 | 4389 | 100% |
| 50% Update + 50% read | | | | 67803 | 1711 | 2058 | 65% |
| 5% Update + 95% read | | | | 74680 | 1707 | 1786 | 35% |
| 100% update | | | | 28686 | - | 4456 | 100% |
| 100% read | | | | 75275 | 1697 | - | 30% |
| 100% insert | | | | 68761 | - | 1856 | 63%-100% |
规格6：24核128GB
规格类型 | 压测比例 | 磁盘（GB） | 数据量（条） | 并发线程数 | throughput（ops/sec） | RAL（us） | WAL（us） | CPU 利用率 |
云盘版 | load | 1000 | 64,000,000 | 256 | 87310 | - | 3652 | 60-90% |
| 95% Update + 5% read | | | | 21844 | 3199 | 7805 | 25%-100% |
| 50% Update + 50% read | | | | 48758 | 3117 | 3074 | 25%-60% |
| 5% Update + 95% read | | | | 105313 | 2453 | 3129 | 100% |
| 100% update | | | | 18155 | - | 13115 | 40%-50% |
| 100% read | | | | 108243 | 2550 | - | 65% |
| 100% insert | | | | 65027 | - | 3654 | 35-90% |
物理版 | load | 200 | | | 70025 | - | 3652 | |
| 95% Update + 5% read | | | | 32028 | 5961 | 8088 | 25%-100% |
| 50% Update + 50% read | | | | 68293 | 3617 | 3874 | 25%-60% |
| 5% Update + 95% read | | | | 74005 | 3453 | 3529 | 30% |
| 100% update | | | | 29823 | - | 8577 | 30%-100% |
| 100% read | | | | 74052 | 3454 | - | 28% |
| 100% insert | | | | 68882 | - | 3713 | 60% |
