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HDFS-15849. ExpiredHeartbeats metric should be of Type.COUNTER. Contributed by Qi Zhu.

This commit is contained in:
Konstantin V Shvachko 2021-03-01 16:48:48 -08:00
parent 32353eb38a
commit 9501c698f4
2 changed files with 4 additions and 3 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -4632,7 +4632,8 @@ public long getMissingReplOneBlocksCount() {
return blockManager.getMissingReplOneBlocksCount();
}
@Metric({"ExpiredHeartbeats", "Number of expired heartbeats"})
@Metric(value = {"ExpiredHeartbeats", "Number of expired heartbeats"},
type = Metric.Type.COUNTER)
public int getExpiredHeartbeats() {
return datanodeStatistics.getExpiredHeartbeats();
}

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDatanodeReport.java
View File

@ -17,7 +17,7 @@
*/
package org.apache.hadoop.hdfs;
import static org.apache.hadoop.test.MetricsAsserts.assertGauge;
import static org.apache.hadoop.test.MetricsAsserts.assertCounter;
import static org.apache.hadoop.test.MetricsAsserts.getMetrics;
import static org.junit.Assert.assertEquals;
@ -143,7 +143,7 @@ public void testDatanodeReport() throws Exception {
assertReports(1, DatanodeReportType.DEAD, client, datanodes, null);
Thread.sleep(5000);
assertGauge("ExpiredHeartbeats", 1, getMetrics("FSNamesystem"));
assertCounter("ExpiredHeartbeats", 1, getMetrics("FSNamesystem"));
} finally {
cluster.shutdown();
}