Andy Isaacson created HDFS-4197:
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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:
{noformat}
SecondaryNameNode Status
Name Node Address : snn1/172.29.122.91:50020
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]
{noformat}
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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