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From "Sylvain Lebresne (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3498) Add same-row contention mode to stress tool
Date Thu, 24 Nov 2011 16:29:40 GMT


Sylvain Lebresne commented on CASSANDRA-3498:

I understand I'm coming a little late, but I actually remembered that for counters we've introduced
the -F option, that allows to specify how many different keys to use. In other word, stress
-n 10000 -F 1 will do 10000 insertion on the same row. Maybe that could actually be enough
for generating artificial contention ?
> Add same-row contention mode to stress tool
> -------------------------------------------
>                 Key: CASSANDRA-3498
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Tools
>            Reporter: Jonathan Ellis
>            Assignee: Pavel Yaskevich
>            Priority: Minor
>             Fix For: 1.1
>         Attachments: CASSANDRA-3498.patch
> For CASSANDRA-2893 and other scenarios we'd like to generate non-unique rows to insert.
 (Maybe we can re-use the same pseudorandom distribution code we already have for reads.)

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