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Jean-Marc Spaggiari commented on HBASE-11062: --------------------------------------------- HTop make me think about htop ;) http://hisham.hm/htop/htop-1.0.2-io.png https://packages.debian.org/search?keywords=htop But I agree that it might be nice to have! Like a status page with all those metrics... Cassandra has nice metrics reports already. > htop > ---- > > Key: HBASE-11062 > URL: https://issues.apache.org/jira/browse/HBASE-11062 > Project: HBase > Issue Type: New Feature > Reporter: Andrew Purtell > > A top-like monitor could be useful for testing, debugging, operations of > clusters of moderate size, and possibly for diagnosing issues in large > clusters. > Consider a curses interface like the one presented by atop > (http://www.atoptool.nl/images/screenshots/genericw.png) - with aggregate > metrics collected over a monitoring interval in the upper portion of the > pane, and a listing of discrete measurements sorted and filtered by various > criteria in the bottom part of the pane. One might imagine a cluster overview > with cluster aggregate metrics above and a list of regionservers sorted by > utilization below; and a regionserver view with process metrics above and a > list of metrics by operation type below, or a list of client connections, or > a list of threads, sorted by utilization, throughput, or latency. > Generically 'htop' is taken but would be distinctive in the HBase context, a > utility org.apache.hadoop.hbase.HTop > No need necessarily for a curses interface. Could be an external monitor with > a web front end as has been discussed before. I do like the idea of a process > that runs in a terminal because I interact with dev and test HBase clusters > exclusively by SSH. -- This message was sent by Atlassian JIRA (v6.2#6252)