From c4e8826194448866d55e1b5c5f3161a3af5a5015 Mon Sep 17 00:00:00 2001
From: litao <tomleescut@gmail.com>
Date: Fri, 12 Nov 2021 09:23:25 +0800
Subject: [PATCH] HDFS-16311. Metric metadataOperationRate calculation error in
 DataNodeVolumeMetrics (#3636)

Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
(cherry picked from commit 1c1cf64616f34d039cf9246da9613914aa870515)
---
 .../hdfs/server/datanode/fsdataset/DataNodeVolumeMetrics.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/DataNodeVolumeMetrics.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/DataNodeVolumeMetrics.java
index 0ea8020d256..0c2f5ad0aa5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/DataNodeVolumeMetrics.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/DataNodeVolumeMetrics.java
@@ -284,6 +284,6 @@ public class DataNodeVolumeMetrics {
 
   public void addFileIoError(final long latency) {
     totalFileIoErrors.incr();
-    metadataOperationRate.add(latency);
+    fileIoErrorRate.add(latency);
   }
 }
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