ainger

Results 3 issues of ainger

mysqlbatch: ![image](https://user-images.githubusercontent.com/50937527/115339631-c4662080-a1d7-11eb-84a6-a670cab26ccd.png) 将 decimal 格式的数据,转换为 golang float64 类型,会导致精度丢失 此处可采用 "github.com/shopspring/decimal" decimal.Decimal{} mysqlstream: 设置 go-mysql sync 参数:UseDecimal: true

File: [/release-7.5/tidb-configuration-file.md](https://docs.pingcap.com/zh/tidb/stable/tidb-configuration-file) 最大值(64 位平台):18446744073709551615 最大值(32 位平台):4294967295 相关代码: func NewTokenLimiter(count uint) *TokenLimiter { tl := &TokenLimiter{count: count, ch: make(chan *Token, count)} for i := uint(0); i < count; i++ { tl.ch