Todd Lipcon created HDFS-3899:
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Summary: QJM: Writer-side metrics
Key: HDFS-3899
URL: https://issues.apache.org/jira/browse/HDFS-3899
Project: Hadoop HDFS
Issue Type: Sub-task
Affects Versions: QuorumJournalManager (HDFS-3077)
Reporter: Todd Lipcon
Assignee: Todd Lipcon
We already have some metrics on the server side (JournalNode) but it's useful
to also gather metrics from the client side (NameNode). This is important in
order to monitor that the client is seeing good performance from the individual
JNs, and so that administrators can set up alerts if any of the JNs has become
inaccessible to the NN.
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