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Posted to hdfs-dev@hadoop.apache.org by "Siyao Meng (JIRA)" <ji...@apache.org> on 2018/12/13 22:39:00 UTC
[jira] [Created] (HDFS-14148) HDFS OIV ReverseXML: Support Snapshot
Siyao Meng created HDFS-14148:
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Summary: HDFS OIV ReverseXML: Support Snapshot
Key: HDFS-14148
URL: https://issues.apache.org/jira/browse/HDFS-14148
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Affects Versions: 3.0.0
Reporter: Siyao Meng
The current HDFS OIV tool doesn't seem to support snapshot when reversing XML back to binary.
{code:bash}
$ hdfs oiv -i fsimage_0000000000000026542.xml -o reverse.bin -p ReverseXML
OfflineImageReconstructor failed: Found unknown XML keys in <dir>: dir
java.io.IOException: Found unknown XML keys in <dir>: dir
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$Node.verifyNoRemainingKeys(OfflineImageReconstructor.java:324)
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$SnapshotSectionProcessor.process(OfflineImageReconstructor.java:1357)
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1785)
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1840)
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:193)
at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:136)
{code}
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