LeonGao91 commented on a change in pull request #2483:
URL: https://github.com/apache/hadoop/pull/2483#discussion_r533650857
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
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@@ -435,6 +444,22 @@ private long init(List<DatanodeStorageReport> reports) {
return Math.max(overLoadedBytes, underLoadedBytes);
}
+ private void sortOverUtilizedNodes() {
+ LOG.info("Sorting over-utilized nodes by capacity" +
+ " to bring down top used datanode capacity faster");
+
+ if (overUtilized instanceof List) {
+ List<Source> list = (List<Source>) overUtilized;
+ list.sort(
+ (Source source1, Source source2) ->
Review comment:
Good idea, we should use utilization for storage type instead of
datanode utilization. Will fix
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