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From "Benedict (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8503) Collect important stress profiles for regression analysis done by jenkins
Date Thu, 18 Dec 2014 21:31:14 GMT


Benedict commented on CASSANDRA-8503:

I would quite like to see us also generate some profiles and cluster configs specifically
designed to elicit failure scenarios. Perhaps in conjunction with some stress enhancements
specifically designed to prevent it knocking a server over, but keep it under as much load
as possible to tease out unexpected behaviour.

For instance random interleaving of all operation types (including range queries, counters,
etc) with more compaction (smaller LCS tables, smaller preemptive reopen interval). Then over
time expand this testing to include periodically taking down servers, bootstrap new ones,
etc. it would be great to occupy our test clusters with these tests automatically during any
unused performance testing time. It seems without this we lack robust acceptance testing.

> Collect important stress profiles for regression analysis done by jenkins
> -------------------------------------------------------------------------
>                 Key: CASSANDRA-8503
>                 URL:
>             Project: Cassandra
>          Issue Type: Task
>            Reporter: Ryan McGuire
>            Assignee: Ryan McGuire
>         Attachments: inmemory.yaml, ycsb.yaml
> We have a weekly job setup on CassCI to run a performance benchmark against the dev branches
as well as the last stable releases.
> Here's an example:
> This test is currently pretty basic, it's running on three nodes, with a the default
stress profile. We should crowdsource a collection of stress profiles to run, and then once
we have many of these tests running we can collect them all into a weekly email.
> Ideas:
>  * Timeseries (Can this be done with stress? not sure)
>  * compact storage
>  * compression off
>  * ...

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