Source file src/github.com/redis/go-redis/v9/internal/internal.go

Documentation: github.com/redis/go-redis/v9/internal

     1  package internal
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/redis/go-redis/v9/internal/rand"
     7  )
     8  
     9  func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
    10  	if retry < 0 {
    11  		panic("not reached")
    12  	}
    13  	if minBackoff == 0 {
    14  		return 0
    15  	}
    16  
    17  	d := minBackoff << uint(retry)
    18  	if d < minBackoff {
    19  		return maxBackoff
    20  	}
    21  
    22  	d = minBackoff + time.Duration(rand.Int63n(int64(d)))
    23  
    24  	if d > maxBackoff || d < minBackoff {
    25  		d = maxBackoff
    26  	}
    27  
    28  	return d
    29  }
    30  

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