siddhantsangwan commented on code in PR #5080:
URL: https://github.com/apache/ozone/pull/5080#discussion_r1266577725
##########
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/replication/ECUnderReplicationHandler.java:
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@@ -334,8 +335,19 @@ private int processMissingIndexes(
if (targetCount < expectedTargetCount) {
missingIndexes.subList(targetCount, expectedTargetCount).clear();
}
- if (0 < targetCount &&
- validatePlacement(availableSourceNodes, selectedDatanodes)) {
+
+ ContainerPlacementStatus placementStatusWithSelectedTargets =
+ validatePlacement(container, availableSourceNodes,
selectedDatanodes);
+ if (!placementStatusWithSelectedTargets.isPolicySatisfied()) {
+ LOG.debug("Target nodes + existing nodes for EC container {}" +
+ " will not satisfy placement policy {}. Reason: {}. Selected" +
+ " nodes: {}. Available source nodes: {}. Resuming " +
+ "reconstruction regardless.",
+ container.containerID(), containerPlacement.getClass().getName(),
+ placementStatusWithSelectedTargets.misReplicatedReason(),
+ selectedDatanodes, availableSourceNodes);
+ }
Review Comment:
Good point... actually I had thought about this. I decided to let the caller
of `validatePlacement()` control what it wants to do with the returned
`ContainerPlacementStatus`. In this case that's logging "... Resuming
reconstruction regardless."
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