Stefania created CASSANDRA-12919:
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Summary: Fix inconsistencies in cassandra-stress load balancing
policy
Key: CASSANDRA-12919
URL: https://issues.apache.org/jira/browse/CASSANDRA-12919
Project: Cassandra
Issue Type: Bug
Components: Tools
Reporter: Stefania
Assignee: Stefania
Priority: Minor
Fix For: 3.0.x, 3.x
The default load balancing policy in cassandra-stress is null, which means that
the driver will currently wrap {{DCAwareRoundRobinPolicy}} with
{{TokenAwarePolicy}}.
However, when a white list of nodes or a data center are specified in the
command line options, then either {{WhiteListPolicy}} or
{{DCAwareRoundRobinPolicy}} are used respectively, without wrapping them in a
TokenAwarePolicy.
This means that in the default case token aware routing is applied, but in some
cases it is not. Token aware routing could give a performance boost of up to
2.5 times on bare metal, making comparisons of workloads problematic.
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