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From "Lyuben Todorov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6001) Add a Tracing line for index/seq scan queries
Date Tue, 01 Oct 2013 16:59:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lyuben Todorov updated CASSANDRA-6001:
--------------------------------------

    Attachment: 6001.patch

> Add a Tracing line for index/seq scan queries
> ---------------------------------------------
>
>                 Key: CASSANDRA-6001
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6001
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Assignee: Lyuben Todorov
>             Fix For: 1.2.11
>
>         Attachments: 6001.patch
>
>
> Tracing should show the user why a specific index was selected.  Something like
> {noformat}
> Index mean cardinality is {users_by_lastname: 100, users_by_state: 2000, users_by_birthdate:
1000}.  Scanning with users_by_lastname.
> {noformat}



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