From be1602f769fac5e2fb0528cd78f07c097be098b1 Mon Sep 17 00:00:00 2001
From: bigsheeper <yihao.dai@zilliz.com>
Date: Thu, 18 Nov 2021 09:25:17 +0800
Subject: [PATCH] [skip ci] Add comment for dataSyncService close (#12028)

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
---
 internal/querynode/data_sync_service.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/querynode/data_sync_service.go b/internal/querynode/data_sync_service.go
index 8ef041d690..ebea45a41b 100644
--- a/internal/querynode/data_sync_service.go
+++ b/internal/querynode/data_sync_service.go
@@ -303,6 +303,7 @@ func newDataSyncService(ctx context.Context,
 	}
 }
 
+// close would close and remove all flow graphs in dataSyncService
 func (dsService *dataSyncService) close() {
 	// close collection flow graphs
 	for _, nodeFGs := range dsService.collectionFlowGraphs {