A prototype Netty embedded servlet bridge for Spring Boot.
Includes basic filter and servlet support. I'm fairly new to Spring Boot, but this approach seems to fit it's opinionated view of the servlet container. Async servlet support isn't yet completed.
Use the runTestApp Gradle task to start the server with the same configuration used here. Tests run with wrk with the following arguments:
wrk -H 'Host: localhost' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Connection: keep-alive' -d 120 -c 32 -t 2 http://localhost:8080/plaintext
Running 2m test @ http://localhost:8080/plaintext
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 22.96ms 115.34ms 628.47ms 96.50%
Req/Sec 16.33k 4.74k 34.44k 83.57%
3691775 requests in 2.00m, 497.09MB read
Requests/sec: 30764.62
Transfer/sec: 4.14MB
Running 2m test @ http://localhost:8080/plaintext
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 114.10ms 745.91ms 5.04s 97.75%
Req/Sec 15.67k 2.99k 27.56k 91.68%
3553322 requests in 2.00m, 478.45MB read
Socket errors: connect 0, read 0, write 0, timeout 3
Requests/sec: 29611.00
Transfer/sec: 3.99MB
Running 2m test @ http://localhost:8080/plaintext
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.14ms 6.64ms 128.33ms 99.33%
Req/Sec 19.64k 4.16k 45.22k 83.96%
4459068 requests in 2.00m, 331.69MB read
Requests/sec: 37158.91
Transfer/sec: 2.76MB
Note: Difference in transfer/sec is due to Server and Date headers returned by Tomcat
Running 2m test @ http://localhost:8080/plaintext
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.09ms 7.58ms 200.99ms 99.80%
Req/Sec 19.14k 2.19k 39.89k 84.44%
4366902 requests in 2.00m, 408.12MB read
Requests/sec: 36390.84
Transfer/sec: 3.40MB
When compared to a null servlet:
Running 2m test @ http://localhost:8080/null
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 820.84us 3.47ms 66.04ms 99.70%
Req/Sec 26.03k 4.27k 45.44k 69.68%
5894335 requests in 2.00m, 505.91MB read
Requests/sec: 49119.58
And to serving the response directly from Netty:
Running 2m test @ http://localhost:8080/nullnetty
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 2.01ms 23.54ms 400.01ms 99.65%
Req/Sec 27.21k 4.26k 41.44k 66.08%
6164886 requests in 2.00m, 223.41MB read
Requests/sec: 51374.16
Running 2m test @ http://localhost:8080/plaintext
2 threads and 32 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.95ms 18.62ms 289.53ms 99.57%
Req/Sec 20.48k 2.55k 37.78k 86.51%
4637061 requests in 2.00m, 698.71MB read
Requests/sec: 38642.24
Transfer/sec: 5.82MB
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