myskov commented on code in PR #8080:
URL: https://github.com/apache/ozone/pull/8080#discussion_r1995098428


##########
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/replication/ReplicationManagerUtil.java:
##########
@@ -78,7 +78,7 @@ public static List<DatanodeDetails> 
getTargetDatanodes(PlacementPolicy policy,
     // Ensure that target datanodes have enough space to hold a complete
     // container.
     final long dataSizeRequired =
-        Math.max(container.getUsedBytes(), defaultContainerSize);
+        Math.max(container.getUsedBytes(), defaultContainerSize * 2);

Review Comment:
   What if datanode's behaviour will change to 'containerSize * 3'? Let's 
extract this check to a separate class and use it on both sides (SCM and 
datanode).



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