jianghuazhu commented on a change in pull request #3861:
URL: https://github.com/apache/hadoop/pull/3861#discussion_r808719728
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
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@@ -2812,6 +2816,9 @@ public void checkAndUpdate(String bpid, ScanInfo scanInfo)
+ memBlockInfo.getNumBytes() + " to "
+ memBlockInfo.getBlockDataLength());
memBlockInfo.setNumBytes(memBlockInfo.getBlockDataLength());
+ } else if (!isRegular) {
+ corruptBlock = new Block(memBlockInfo);
+ LOG.warn("Block:{} is not a regular file.", corruptBlock.getBlockId());
Review comment:
Yes, these exception files are cleaned up.
When NameNode obtains such abnormal files, it treats them as invalid Blocks.
When the DataNode sends a heartbeat to the NameNode, the NameNode notifies
the DataNode to clean up.
The specific cleaning action is performed by FsDatasetAsyncDiskServic
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