diff --git a/internal/querynodev2/segments/segment_loader.go b/internal/querynodev2/segments/segment_loader.go
index 4b5bfacbff1bb860dace6f6763b6db1002f2447a..3933371b7591fe94be0bc8530b1ad6d24b04ad5f 100644
--- a/internal/querynodev2/segments/segment_loader.go
+++ b/internal/querynodev2/segments/segment_loader.go
@@ -911,6 +911,7 @@ func (loader *segmentLoader) checkSegmentSize(segmentLoadInfos []*querypb.Segmen
 	}
 
 	log.Info("predict memory and disk usage while loading (in MiB)",
+		zap.Uint64("maxSegmentSize", toMB(maxSegmentSize)),
 		zap.Int("concurrency", concurrency),
 		zap.Uint64("memUsage", toMB(memUsage)),
 		zap.Uint64("diskUsage", toMB(diskUsage)),