Kristiyan Kostadinov
fb65ad157c
The `getBaseHref` method is called several times per request and currently queries through the entire document. We can speed it up by taking advantage of the fact that the `<base>` can only be a direct child of the `<head>` and is usually defined towards the beginning. Below are some benchmarks for a "Hello world" app before and after this change. ### Before: ``` Running 60s test @ http://localhost:4202 100 connections with 10 pipelining factor ┌─────────┬────────┬────────┬────────┬────────┬───────────┬──────────┬─────────┐ │ Stat │ 2.5% │ 50% │ 97.5% │ 99% │ Avg │ Stdev │ Max │ ├─────────┼────────┼────────┼────────┼────────┼───────────┼──────────┼─────────┤ │ Latency │ 568 ms │ 853 ms │ 901 ms │ 904 ms │ 866.58 ms │ 437.6 ms │ 9915 ms │ └─────────┴────────┴────────┴────────┴────────┴───────────┴──────────┴─────────┘ ┌───────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────┐ │ Stat │ 1% │ 2.5% │ 50% │ 97.5% │ Avg │ Stdev │ Min │ ├───────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┤ │ Req/Sec │ 490 │ 826 │ 1,006 │ 1,643 │ 1,129.3 │ 234.69 │ 490 │ ├───────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┤ │ Bytes/Sec │ 10.4 MB │ 17.4 MB │ 21.3 MB │ 34.7 MB │ 23.9 MB │ 4.96 MB │ 10.3 MB │ └───────────┴─────────┴─────────┴─────────┴─────────┴─────────┴─────────┴─────────┘ Req/Bytes counts sampled once per second. # of samples: 60 69k requests in 60.04s, 1.43 GB read 90 errors (90 timeouts) ``` ### After ``` Running 60s test @ http://localhost:4202 100 connections with 10 pipelining factor ┌─────────┬────────┬────────┬────────┬─────────┬───────────┬───────────┬─────────┐ │ Stat │ 2.5% │ 50% │ 97.5% │ 99% │ Avg │ Stdev │ Max │ ├─────────┼────────┼────────┼────────┼─────────┼───────────┼───────────┼─────────┤ │ Latency │ 471 ms │ 831 ms │ 889 ms │ 1668 ms │ 835.91 ms │ 467.89 ms │ 9720 ms │ └─────────┴────────┴────────┴────────┴─────────┴───────────┴───────────┴─────────┘ ┌───────────┬─────────┬─────────┬─────────┬─────────┬──────────┬────────┬─────────┐ │ Stat │ 1% │ 2.5% │ 50% │ 97.5% │ Avg │ Stdev │ Min │ ├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼────────┼─────────┤ │ Req/Sec │ 390 │ 860 │ 1,145 │ 1,572 │ 1,156.77 │ 222.65 │ 390 │ ├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼────────┼─────────┤ │ Bytes/Sec │ 8.24 MB │ 18.2 MB │ 24.2 MB │ 33.2 MB │ 24.4 MB │ 4.7 MB │ 8.24 MB │ └───────────┴─────────┴─────────┴─────────┴─────────┴──────────┴────────┴─────────┘ Req/Bytes counts sampled once per second. # of samples: 60 71k requests in 60.03s, 1.47 GB read 140 errors (140 timeouts) ``` PR Close #61392
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