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@zalando-robot zalando-robot released this 05 Dec 15:54
v0.18.64
c6deeb8
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Changes

filters/tracing: improve stateBagToTag (#2775)

filters/tracing: improve stateBagToTag

  • reduce allocations when tag value is string
  • check statebag value first to bail out early if it is absent
  • restrict max number of arguments to two
goos: linux
goarch: amd64
pkg: github.com/zalando/skipper/filters/tracing
cpu: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz
                            │   HEAD~1    │                HEAD                 │
                            │   sec/op    │   sec/op     vs base                │
StateBagToTag_StringValue-8   313.1n ± 2%   124.3n ± 1%  -60.29% (p=0.000 n=10)

                            │   HEAD~1   │                HEAD                │
                            │    B/op    │   B/op     vs base                 │
StateBagToTag_StringValue-8   19.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=10)

                            │   HEAD~1   │                HEAD                 │
                            │ allocs/op  │ allocs/op   vs base                 │
StateBagToTag_StringValue-8   2.000 ± 0%   0.000 ± 0%  -100.00% (p=0.000 n=10)

Multiarch Docker image

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

docker run -it ghcr.io/zalando/skipper:v0.18.64 skipper --help

Docker image

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

docker run -it registry.opensource.zalan.do/teapot/skipper:v0.18.64 skipper --help
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