Hexiaoqiao commented on a change in pull request #3320:
URL: https://github.com/apache/hadoop/pull/3320#discussion_r695602966
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockStoragePolicy.java
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@@ -1337,6 +1337,50 @@ public void testChooseSsdOverDisk() throws Exception {
Assert.assertEquals(StorageType.DISK, targets[1].getStorageType());
}
+ @Test
Review comment:
Add some javadoc here will be more friendly here.
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
##########
@@ -469,7 +469,7 @@ private Node chooseTarget(int numOfReplicas,
LOG.trace("storageTypes={}", storageTypes);
try {
- if ((numOfReplicas = requiredStorageTypes.size()) == 0) {
Review comment:
Just wonder if this is common bug for every `chooseTarget` invokes when
assign `requiredStorageTypes.size()` to `numOfReplicas` here? or just for set
storagePolicy?
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