arthas-171 commented on issue #1021: huowang URL: https://github.com/apache/hadoop/pull/1021#issuecomment-507166561 Can I describe how to reproduce bugs and test modified patches? 1 TRUNCATE operations are performed on any file in hdfs, such as Hadoop fs-truncate-w 100 /test.txt, 2 Use the HDFS oev command to parse the edits file generated by the first step from binary format to XML format, such as HDFS oev -i edits -o edits.xml 3 Then reverse serialization of the file from XML to binary based on the results of the second step, such as HDFS oev-i edits.xml-o edits.binary-p binary 4 This bug will appear, and I also submitted the report HDFS-14604 on jira. 5 I fixed the bug in the code I submitted this time, compiled this version of the code and then decompressed it in Linux. Using the oev command provided by this version directly, the operation described in the third step can be successfully executed.
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