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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6553) Benchmark counter improvements (counters++)
Date Mon, 27 Jan 2014 22:57:40 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-6553:
-----------------------------------------

    Description: 
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/apache/cassandra/tree/1218bcacba7edefaf56cf8440d0aea5794c89a1e
(old counters)
compared to: https://github.com/apache/cassandra/tree/714c423360c36da2a2b365efaf9c5c4f623ed133
(new counters)

So far, the above changes should only affect the write path.

  was:
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/apache/cassandra/tree/1218bcacba7edefaf56cf8440d0aea5794c89a1e
(old counters)
compared to: https://github.com/iamaleksey/cassandra/commits/trunk

So far, the above changes should only affect the write path.


> 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/apache/cassandra/tree/1218bcacba7edefaf56cf8440d0aea5794c89a1e
(old counters)
> compared to: https://github.com/apache/cassandra/tree/714c423360c36da2a2b365efaf9c5c4f623ed133
(new counters)
> So far, the above changes should only affect the write path.



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