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https://issues.apache.org/jira/browse/CASSANDRA-5672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-5672:
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Fix Version/s: (was: 2.1)
Assignee: (was: Tyler Hobbs)
> Add enumumerated column to system_trace.events table to signify the type of
> event.
> ----------------------------------------------------------------------------------
>
> Key: CASSANDRA-5672
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5672
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 1.2.0
> Reporter: Ryan McGuire
> Priority: Minor
>
> Tracing of queries is useful for at least two different purposes:
> * Interactively diagnosing a problem, via cqlsh, by a human.
> * Programatically recording and responding to how queries behave.
> This second purpose is not well suited to how the system_trace.events table
> is currently organized, as the only identifying characteristic of each event
> is a free-form string that can (and has) been changed in later versions.
> [~jbellis] [mentioned the
> possibility|http://www.datastax.com/dev/blog/advanced-request-tracing-in-cassandra-1-2]
> of adding an enumeration of event types that would be immutable.
> Reference [this
> dtest|https://github.com/riptano/cassandra-dtest/pull/13/files] that parses
> the strings in this table via regex. If these strings change, this test will
> break.
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