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Automatic merge from submit-queue. Manual cherrypick of #65034 to 1.9: make json serializer case sensitive fixes partially https://github.com/kubernetes/kubernetes/issues/64612 This PR imports the latest jsoniterator library so that case sensitivity during unmarshalling is optional. The PR also sets Kubernetes json serializer to be case sensitive. **Release note**: ```release-note ACTION REQUIRED: Kubernetes JSON deserializer is now case-sensitive to restore compatibility with pre-1.8 servers. If your config files contains fields with wrong case, the config files will be now invalid. ``` /sig api-machinery /kind bug /assign caesarxuchao liggitt thockin sttts mbohlool Kubernetes-commit: f4cf484c2cb6056e28fb9759a3c913be3eed990a
A high-performance 100% compatible drop-in replacement of "encoding/json"
You can also use thrift like JSON using thrift-iterator
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Benchmark
Raw Result (easyjson requires static code generation)
| ns/op | allocation bytes | allocation times | |
|---|---|---|---|
| std decode | 35510 ns/op | 1960 B/op | 99 allocs/op |
| easyjson decode | 8499 ns/op | 160 B/op | 4 allocs/op |
| jsoniter decode | 5623 ns/op | 160 B/op | 3 allocs/op |
| std encode | 2213 ns/op | 712 B/op | 5 allocs/op |
| easyjson encode | 883 ns/op | 576 B/op | 3 allocs/op |
| jsoniter encode | 837 ns/op | 384 B/op | 4 allocs/op |
Always benchmark with your own workload. The result depends heavily on the data input.
Usage
100% compatibility with standard lib
Replace
import "encoding/json"
json.Marshal(&data)
with
import "github.com/json-iterator/go"
var json = jsoniter.ConfigCompatibleWithStandardLibrary
json.Marshal(&data)
Replace
import "encoding/json"
json.Unmarshal(input, &data)
with
import "github.com/json-iterator/go"
var json = jsoniter.ConfigCompatibleWithStandardLibrary
json.Unmarshal(input, &data)
How to get
go get github.com/json-iterator/go
Contribution Welcomed !
Contributors
Report issue or pull request, or email taowen@gmail.com, or 
