From ba84fd45659f296e1119d9d270cdaed02a822a9e Mon Sep 17 00:00:00 2001
From: ryjiang <shanghaikid@users.noreply.github.com>
Date: Tue, 16 Nov 2021 09:43:18 +0800
Subject: [PATCH] [skip ci]Add comments in chap09_data_coord.md (#11866)

Signed-off-by: ruiyi.jiang <ruiyi.jiang@zilliz.com>
---
 docs/developer_guides/chap09_data_coord.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/developer_guides/chap09_data_coord.md b/docs/developer_guides/chap09_data_coord.md
index 0694580dc..d25fbcba6 100644
--- a/docs/developer_guides/chap09_data_coord.md
+++ b/docs/developer_guides/chap09_data_coord.md
@@ -287,7 +287,7 @@ type DataNode interface {
 	FlushSegments(ctx context.Context, req *datapb.FlushSegmentsRequest) (*commonpb.Status, error)
   // GetMetrics gets the metrics about DataNode.
 	GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error)
-
+	// Compaction will add a compaction task according to the request plan
 	Compaction(ctx context.Context, req *datapb.CompactionPlan) (*commonpb.Status, error)
 }
 ```
-- 
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