TestCheckpoint fails on Windows
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Key: HADOOP-959
URL: https://issues.apache.org/jira/browse/HADOOP-959
Project: Hadoop
Issue Type: Bug
Components: dfs
Reporter: dhruba borthakur
Assigned To: dhruba borthakur
The new unit test that tests periodic checkpointing fails on Windows. The
problem is that the method FSEditLog.purgeEditLog() uses renameTo() to
atomically move edits.new to edits
File.renameTo() fails on Windows is not atomic:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4017593
I propose that we change this code to first try the renameTo(). If it fails,
then it deletes edits and then renames edits.new to edits.
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