Colin Patrick McCabe created HDFS-3335:
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Summary: check for edit log corruption at the end of the log
Key: HDFS-3335
URL: https://issues.apache.org/jira/browse/HDFS-3335
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 0.23.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
Even after encountering an OP_INVALID, we should check the end of the edit log
to make sure that it contains no more edits.
This will catch things like rare race conditions or log corruptions that would
otherwise remain undetected. They will got from being silent data loss
scenarios to being cases that we can detect and fix.
Using recovery mode, we can choose to ignore the end of the log if necessary.
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