tomscut commented on code in PR #5068:
URL: https://github.com/apache/hadoop/pull/5068#discussion_r1008773817
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeReconfigure.java:
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@@ -567,6 +571,92 @@ private List<Boolean> validatePeerReport(String
jsonReport) {
return containReport;
}
+ @Test
+ public void testReconfigureDecommissionBackoffMonitorParameters()
+ throws ReconfigurationException, IOException {
+ Configuration conf = new HdfsConfiguration();
+ conf.setClass(DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_MONITOR_CLASS,
+ DatanodeAdminBackoffMonitor.class,
DatanodeAdminMonitorInterface.class);
+ int defaultPendingRepLimit = 1000;
+ conf.setInt(DFS_NAMENODE_DECOMMISSION_BACKOFF_MONITOR_PENDING_LIMIT,
defaultPendingRepLimit);
+ int defaultBlocksPerLock = 1000;
+
conf.setInt(DFS_NAMENODE_DECOMMISSION_BACKOFF_MONITOR_PENDING_BLOCKS_PER_LOCK,
+ defaultBlocksPerLock);
+ MiniDFSCluster newCluster = new MiniDFSCluster.Builder(conf).build();
+ newCluster.waitActive();
+
+ try {
Review Comment:
```suggestion
try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build()) {
newCluster.waitActive();
```
Please also update this by the way.
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