diff --git a/src/aggregator/client/queue.go b/src/aggregator/client/queue.go
index 035da9cab4..471290f1b6 100644
--- a/src/aggregator/client/queue.go
+++ b/src/aggregator/client/queue.go
@@ -38,7 +38,7 @@ import (
 
 const (
 	_queueMinWriteBufSize = 65536
-	_queueMaxWriteBufSize = 2 * _queueMinWriteBufSize
+	_queueMaxWriteBufSize = 8 * _queueMinWriteBufSize
 )
 
 var (