Move all journal stream management code into one place
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Key: HDFS-2018
URL: https://issues.apache.org/jira/browse/HDFS-2018
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ivan Kelly
Assignee: Ivan Kelly
Currently in the HDFS-1073 branch, the code for creating output streams is in
FileJournalManager and the code for input streams is in the inspectors. This
change does a number of things.
- Input and Output streams are now created by the JournalManager.
- FSImageStorageInspectors now deals with URIs when referring to edit logs
- Recovery of inprogress logs is performed by counting the number of
transactions instead of looking at the length of the file.
The patch for this applies on top of the HDFS-1073 branch + HDFS-2003 patch.
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