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Aleksey Yeschenko commented on CASSANDRA-6553:
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To clarify - we expect that (under contention) the latency will go up, and the
throughput will decrease. We need to quantify the change, however.
> Benchmark counter improvements (counters++)
> -------------------------------------------
>
> Key: CASSANDRA-6553
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6553
> Project: Cassandra
> Issue Type: Test
> Reporter: Ryan McGuire
> Assignee: Ryan McGuire
> Fix For: 2.1
>
>
> Benchmark the difference in performance between CASSANDRA-6504 and trunk.
> * Updating totally unrelated counters (different partitions)
> * Updating the same counters a lot (same cells in the same partition)
> * Different cells in the same few partitions (hot counter partition)
> benchmark: https://github.com/iamaleksey/cassandra/commits/6504
> compared to: https://github.com/iamaleksey/cassandra/commits/trunk
> So far, the above changes should only affect the write path.
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