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Posted to commits@cassandra.apache.org by "Stefan Podkowinski (JIRA)" <ji...@apache.org> on 2017/04/25 11:23:04 UTC

[jira] [Created] (CASSANDRA-13472) Diag. Events: Create event viewer tool

Stefan Podkowinski created CASSANDRA-13472:
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             Summary: Diag. Events: Create event viewer tool
                 Key: CASSANDRA-13472
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13472
             Project: Cassandra
          Issue Type: Sub-task
          Components: Tools
            Reporter: Stefan Podkowinski
            Assignee: Stefan Podkowinski
         Attachments: diag.log

Starting with CASSANDRA-13459 we'll be able to subscribe to events for debugging and troubleshooting purposes. It would be nice to ship a basic CLI  tool with Cassandra that enables users to dump events as JSON to stdout. This very simple tool will make use of a patched Python client driver that will work with the new diagnostic events native transport support.
Invocation will simply look something like this ./diagview event_class ... See attached diag.log for example json output produced by starting and stopping another node.



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