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From "Sebastian Estevez (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-12054) Add CQL Data Modeler to tree
Date Wed, 22 Jun 2016 05:30:58 GMT
Sebastian Estevez created CASSANDRA-12054:

             Summary: Add CQL Data Modeler to tree
                 Key: CASSANDRA-12054
             Project: Cassandra
          Issue Type: New Feature
            Reporter: Sebastian Estevez

cassandra-stess, like many powerful tools, is not easy to use. It requires some statistical
understanding and syntactic skill, in order to get up and running with even a simple data
model, user profile driven test (for details see the cassandra-stress docs). Furthermore,
designing a good cassandra data model requires basic understanding of how CQL works and how
c* data is laid out on disk as a result of partitioning and clustering.

The CQL DataModeler aims to simplify this task, getting users up and running with user profile
powered cassandra-stress tests in minutes.

Given the feedback the community has voiced about the usability of cassandra-stress at NGCC,
it was suggested that I contribute the data modeler to the open source project so it can be
maintained in tree and leveraged by users.

It is a simple static web application and users should be able to use it by just opening up
index.html with their browser and populating the GUI.

Check it out here:

I have developed this as a side project and not as production ready code. I welcome feedback
on how it can be cleaned up and improved.

cc: [~tjake][~carlyeks]

Future improvements include:
1) Add cluster distributions (currently only size and population are supported)
2) Add functionality so that the histograms display overall distributions (combining cluster
and population distributions for fields)
3) Include batch configuration and insert distribution
4) Include -pop and other command line options that are crucial for describing workloads
5) Add sparse table capabilities (already in stress but currently undocumented)
6) Add a few example data models to ship with the tool
7) Eventually allow users to contribute back profiles to some sort of community

IMO this jira should be contingent on 1, 3, 4, and 6 being completed. 

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