Description:

Enhance current benchmark test by:

CI

• chore: move benchmark-test job in build_and_test.yaml #3692
• Add benchmark report into release #3752

Refactor

• Replace nighthawk test server with a simple echo server, to save runtime resources [optional]
• fix: implement num-route-per-host for benchmark scale_httproutes case #5235
• Enable Prometheus to get more metrics and report benchmark: enable prometheus to scrape metrics from #3772

Add more test

• Tracked by Add more benchmark test cases with fixed HTTPRoutes #3699

Doc

• Doc: add Performance section in site #3702

Investigation

• Why the memory is not increase linearly when the HTTPRoutes scales up? #3698