virajjasani commented on a change in pull request #2854:
URL: https://github.com/apache/hadoop/pull/2854#discussion_r607508681
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
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@@ -4584,8 +4584,14 @@ void processExtraRedundancyBlocksOnInService(
*/
boolean isNodeHealthyForDecommissionOrMaintenance(DatanodeDescriptor node) {
if (!node.checkBlockReportReceived()) {
- LOG.info("Node {} hasn't sent its first block report.", node);
- return false;
+ if (node.getCapacity() == 0 && node.getNumBlocks() == 0) {
Review comment:
> Oh, after thinking about it, it doesn't matter what the capacity is,
it may be considered safe to decommission if the numBlocks is 0.
Exactly. Thanks @tasanuma
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