Expose last checkpoint time and transaction stats as JMX metrics
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Key: HDFS-2943
URL: https://issues.apache.org/jira/browse/HDFS-2943
Project: Hadoop HDFS
Issue Type: New Feature
Components: name-node
Affects Versions: 0.23.1
Reporter: Aaron T. Myers
Assignee: Aaron T. Myers
I think we should expose at least the following:
* Last checkpoint time
* Transactions since last checkpoint
* Last written transaction
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