tasanuma commented on a change in pull request #3843:
URL: https://github.com/apache/hadoop/pull/3843#discussion_r782022532
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
##########
@@ -647,13 +650,37 @@ public String reconfigurePropertyImpl(String property,
String newVal)
}
break;
}
+ case DFS_DATANODE_MAX_RECEIVER_THREADS_KEY:
+ return reconfDataXceiverParameters(property, newVal);
default:
break;
}
throw new ReconfigurationException(
property, newVal, getConf().get(property));
}
+ private String reconfDataXceiverParameters(String property, String newVal)
+ throws ReconfigurationException {
+ String result;
+ try {
+ LOG.info("Reconfiguring {} to {}", property, newVal);
+ if (property.equals(DFS_DATANODE_MAX_RECEIVER_THREADS_KEY)) {
Review comment:
The if-statement seems redundant since it is already checked by `case
DFS_DATANODE_MAX_RECEIVER_THREADS_KEY `.
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