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Merge pull request #1549 from go-redis/feature/retry-overflow

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Guard against overflow in retry
This commit is contained in:
Vladimir Mihailenco
2020-10-28 12:01:51 +02:00
committed by GitHub
parent caee2887e2 f92951b835
commit 51a4ea4358
1 changed files with 4 additions and 0 deletions
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4
internal/internal.go
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@ -15,6 +15,10 @@ func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration
} }
d := minBackoff << uint(retry) d := minBackoff << uint(retry)
if d < minBackoff {
return maxBackoff
}
d = minBackoff + time.Duration(rand.Int63n(int64(d))) d = minBackoff + time.Duration(rand.Int63n(int64(d)))
if d > maxBackoff || d < minBackoff { if d > maxBackoff || d < minBackoff {