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How to optimize golang

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Release： 2019-12-31 09:49:59
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How to optimize golang

Common routines: asynchronous, de-locking, reuse, zero copy, batch, in addition to avoid premature optimization and optimize the business logic level first

1.cpu Time Optimization (Recommended Learning: Go ) 

make时提前预估size
临时的map、slice采用sync.Pool
大于32Kb也可用sync.Pool
不滥用goroutine，减少gc压力
不滥用mutex，减少上下文切换
[]byte与string临时变量转换用unsafe
减少reflect、defer使用
atomic无锁使用
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# 2. Internet IO Performance Optimization 

批量接口支持
http 长连接
redis pipeline
db、redis连接池
增加缓存
大量数据压缩传输
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