HDFS-14637. Namenode may not replicate blocks to meet the policy after enabling upgradeDomain. Contributed by Stephen O'Donnell.
Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
(cherry picked from commit c99a12167ff9566012ef32104a3964887d62c899)
Conflicts:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlocksWithNotEnoughRacks.java
hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/main/java/org/apache/hadoop/tools/dynamometer/BlockPlacementPolicyAlwaysSatisfied.java
(cherry picked from commit 966193153f9cd75e009c8db3502e1b3ba2cdfa25)
Conflicts:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlocksWithNotEnoughRacks.java