Remove redundant condition checking for Sleep().

Yen-Cheng Chou · Yen-Cheng Chou · commit caae5cd54345 · 2019-03-10T18:29:15.000Z
diff --git a/retrieval/transform.go b/retrieval/transform.go
@@ -140,9 +140,7 @@ func (b *sampleBuilder) getSeriesWithRetry(ctx context.Context, sample tsdb.RefS
 		}
 		level.Warn(b.logger).Log("msg", "failed to get seriesCacheEntry", "err", err)
 		backoff = exponential(backoff)
-		if backoff > 0 {
-			time.Sleep(backoff)
-		}
+		time.Sleep(backoff)
 	}
 	return entry, ok, nil
 }

Original file line number	Diff line number	Diff line change
`@@ -140,9 +140,7 @@ func (b *sampleBuilder) getSeriesWithRetry(ctx context.Context, sample tsdb.RefS`
`140`	`140`	`}`
`141`	`141`	`level.Warn(b.logger).Log("msg", "failed to get seriesCacheEntry", "err", err)`
`142`	`142`	`backoff = exponential(backoff)`
`143`		`- if backoff > 0 {`
`144`		`- time.Sleep(backoff)`
`145`		`- }`
	`143`	`+ time.Sleep(backoff)`
`146`	`144`	`}`
`147`	`145`	`return entry, ok, nil`
`148`	`146`	`}`