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From "Andy Isaacson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4197) SNN JMX is lacking checkpoint info
Date Thu, 15 Nov 2012 23:49:12 GMT
Andy Isaacson created HDFS-4197:

             Summary: SNN JMX is lacking checkpoint info
                 Key: HDFS-4197
                 URL: https://issues.apache.org/jira/browse/HDFS-4197
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: name-node
    Affects Versions: 2.0.2-alpha
            Reporter: Andy Isaacson

The SecondaryNameNode status.jsp page contains the following:
SecondaryNameNode Status
Name Node Address    : snn1/
Start Time           : Fri Nov 09 09:25:29 PST 2012
Last Checkpoint Time : Thu Nov 15 15:35:06 PST 2012
Checkpoint Period    : 30 seconds
Checkpoint Size      : 39.06 KB (= 40000 bytes)
Checkpoint Dirs      : [file:///tmp/hdfs-adi/dfs/namesecondary]
Checkpoint Edits Dirs: [file:///tmp/hdfs-adi/dfs/namesecondary]

The JMX page at {{:50090/jmx}} should also provide this info; at the very least the Last Checkpoint
Time and Checkpoint Size so that users are not tempted to scrape the {{status.jsp}} output.
 Perhaps I'm missing it but these data seem to be missing.

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