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[GitHub] [dubbo] CrazyHZM commented on pull request #10839: Cache jvm system parameters to prevent each call from being executed, affecting performance
CrazyHZM commented on PR #10839:
URL: https://github.com/apache/dubbo/pull/10839#issuecomment-1318015769
优化前：
Benchmark Mode Cnt Score Error Units
Client.createUser thrpt 3 21.763 ± 71.882 ops/ms
Client.existUser thrpt 3 50.595 ± 36.093 ops/ms
Client.getUser thrpt 3 21.819 ± 48.590 ops/ms
Client.listUser thrpt 3 2.916 ± 4.760 ops/ms
Client.createUser avgt 3 3.456 ± 31.127 ms/op
Client.existUser avgt 3 1.653 ± 15.300 ms/op
Client.getUser avgt 3 1.484 ± 1.135 ms/op
Client.listUser avgt 3 10.568 ± 29.212 ms/op
Client.createUser sample 318690 3.010 ± 0.023 ms/op
Client.createUser:createUser·p0.00 sample 0.481 ms/op
Client.createUser:createUser·p0.50 sample 2.236 ms/op
Client.createUser:createUser·p0.90 sample 4.915 ms/op
Client.createUser:createUser·p0.95 sample 6.709 ms/op
Client.createUser:createUser·p0.99 sample 17.039 ms/op
Client.createUser:createUser·p0.999 sample 48.824 ms/op
Client.createUser:createUser·p0.9999 sample 170.918 ms/op
Client.createUser:createUser·p1.00 sample 178.782 ms/op
Client.existUser sample 1547178 0.620 ± 0.001 ms/op
Client.existUser:existUser·p0.00 sample 0.161 ms/op
Client.existUser:existUser·p0.50 sample 0.569 ms/op
Client.existUser:existUser·p0.90 sample 0.849 ms/op
Client.existUser:existUser·p0.95 sample 0.970 ms/op
Client.existUser:existUser·p0.99 sample 1.495 ms/op
Client.existUser:existUser·p0.999 sample 4.643 ms/op
Client.existUser:existUser·p0.9999 sample 14.549 ms/op
Client.existUser:existUser·p1.00 sample 41.615 ms/op
Client.getUser sample 611290 1.569 ± 0.003 ms/op
Client.getUser:getUser·p0.00 sample 0.387 ms/op
Client.getUser:getUser·p0.50 sample 1.485 ms/op
Client.getUser:getUser·p0.90 sample 2.236 ms/op
Client.getUser:getUser·p0.95 sample 2.458 ms/op
Client.getUser:getUser·p0.99 sample 3.195 ms/op
Client.getUser:getUser·p0.999 sample 5.546 ms/op
Client.getUser:getUser·p0.9999 sample 20.775 ms/op
Client.getUser:getUser·p1.00 sample 29.000 ms/op
Client.listUser sample 90833 10.562 ± 0.036 ms/op
Client.listUser:listUser·p0.00 sample 1.585 ms/op
Client.listUser:listUser·p0.50 sample 10.437 ms/op
Client.listUser:listUser·p0.90 sample 13.009 ms/op
Client.listUser:listUser·p0.95 sample 14.434 ms/op
Client.listUser:listUser·p0.99 sample 22.807 ms/op
Client.listUser:listUser·p0.999 sample 37.104 ms/op
Client.listUser:listUser·p0.9999 sample 61.735 ms/op
Client.listUser:listUser·p1.00 sample 63.242 ms/op
优化后的：
Benchmark Mode Cnt Score Error Units
Client.createUser thrpt 3 21.220 ± 41.514 ops/ms
Client.existUser thrpt 3 48.470 ± 111.865 ops/ms
Client.getUser thrpt 3 20.601 ± 20.811 ops/ms
Client.listUser thrpt 3 3.032 ± 9.202 ops/ms
Client.createUser avgt 3 1.466 ± 0.357 ms/op
Client.existUser avgt 3 0.650 ± 3.448 ms/op
Client.getUser avgt 3 1.448 ± 0.607 ms/op
Client.listUser avgt 3 9.846 ± 7.369 ms/op
Client.createUser sample 717386 1.337 ± 0.002 ms/op
Client.createUser:createUser·p0.00 sample 0.373 ms/op
Client.createUser:createUser·p0.50 sample 1.161 ms/op
Client.createUser:createUser·p0.90 sample 1.966 ms/op
Client.createUser:createUser·p0.95 sample 2.286 ms/op
Client.createUser:createUser·p0.99 sample 3.154 ms/op
Client.createUser:createUser·p0.999 sample 5.780 ms/op
Client.createUser:createUser·p0.9999 sample 11.370 ms/op
Client.createUser:createUser·p1.00 sample 13.189 ms/op
Client.existUser sample 1609319 0.596 ± 0.001 ms/op
Client.existUser:existUser·p0.00 sample 0.148 ms/op
Client.existUser:existUser·p0.50 sample 0.537 ms/op
Client.existUser:existUser·p0.90 sample 0.811 ms/op
Client.existUser:existUser·p0.95 sample 0.946 ms/op
Client.existUser:existUser·p0.99 sample 1.616 ms/op
Client.existUser:existUser·p0.999 sample 4.002 ms/op
Client.existUser:existUser·p0.9999 sample 24.906 ms/op
Client.existUser:existUser·p1.00 sample 75.104 ms/op
Client.getUser sample 766424 1.252 ± 0.002 ms/op
Client.getUser:getUser·p0.00 sample 0.364 ms/op
Client.getUser:getUser·p0.50 sample 1.202 ms/op
Client.getUser:getUser·p0.90 sample 1.706 ms/op
Client.getUser:getUser·p0.95 sample 1.942 ms/op
Client.getUser:getUser·p0.99 sample 2.863 ms/op
Client.getUser:getUser·p0.999 sample 4.948 ms/op
Client.getUser:getUser·p0.9999 sample 9.322 ms/op
Client.getUser:getUser·p1.00 sample 16.171 ms/op
Client.listUser sample 106601 8.999 ± 0.022 ms/op
Client.listUser:listUser·p0.00 sample 0.941 ms/op
Client.listUser:listUser·p0.50 sample 9.290 ms/op
Client.listUser:listUser·p0.90 sample 10.781 ms/op
Client.listUser:listUser·p0.95 sample 11.551 ms/op
Client.listUser:listUser·p0.99 sample 14.270 ms/op
Client.listUser:listUser·p0.999 sample 24.025 ms/op
Client.listUser:listUser·p0.9999 sample 30.038 ms/op
Client.listUser:listUser·p1.00 sample 31.949 ms/op
看RT有明显的下降
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