make sure offset less than size even it's checked inside (#354)

4 years ago · 57b73d8b49
parent a79cee12ee
commit 57b73d8b49
1 changed files with 1 additions and 1 deletions
--- a/core/collection/rollingwindow.go
+++ b/core/collection/rollingwindow.go
@ -87,7 +87,7 @@ func (rw *RollingWindow) updateOffset() {
 	offset := rw.offset
 	// reset expired buckets
 	for i := 0; i < span; i++ {
-		rw.win.resetBucket(offset + i + 1)
+		rw.win.resetBucket((offset + i + 1) % rw.size)
 	}

 	rw.offset = (offset + span) % rw.size