v0.19.17

Changes

eskip: improve lexer performance 2 (#2870)

• eskip: add BenchmarkParse

Add a benchmark for parsing 10000 routes.

• eskip: improve lexer performance 2

• use plain ascii instead of unicode package

• use loop for scanSymbol

• call scan functions directly instead of selectScanner to aid inlining

goos: linux
goarch: amd64
pkg: github.com/zalando/skipper/eskip
                  │    HEAD~1    │                HEAD                 │
                  │    sec/op    │   sec/op     vs base                │
ParsePredicates-8   9.637µ ± 11%   8.894µ ± 4%   -7.71% (p=0.001 n=10)
Parse-8             329.1m ±  4%   272.7m ± 2%  -17.15% (p=0.000 n=10)
geomean             1.781m         1.557m       -12.56%

                  │    HEAD~1    │                HEAD                 │
                  │     B/op     │     B/op      vs base               │
ParsePredicates-8   2.008Ki ± 0%   2.008Ki ± 0%       ~ (p=1.000 n=10)
Parse-8             49.94Mi ± 0%   49.94Mi ± 0%       ~ (p=0.926 n=10)
geomean             320.4Ki        320.4Ki       -0.00%

                  │   HEAD~1    │                 HEAD                 │
                  │  allocs/op  │  allocs/op   vs base                 │
ParsePredicates-8    33.00 ± 0%    33.00 ± 0%       ~ (p=1.000 n=10) ¹
Parse-8             1.100M ± 0%   1.100M ± 0%       ~ (p=0.367 n=10)
geomean             6.025k        6.025k       +0.00%
¹ all samples are equal

See previous #2755

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Multiarch Docker image

Multiarch Docker image is available in Github's docker registry:

docker run -it ghcr.io/zalando/skipper:v0.19.17 skipper --help

Docker image

Docker image is available in Zalando's Open Source registry:

docker run -it registry.opensource.zalan.do/teapot/skipper:v0.19.17 skipper --help