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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2015/01/15 21:52:34 UTC
[jira] [Updated] (CASSANDRA-8633) cassandra-stress writes don't
respect 'select' parameter
[ https://issues.apache.org/jira/browse/CASSANDRA-8633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aleksey Yeschenko updated CASSANDRA-8633:
-----------------------------------------
Attachment: partition2.yaml
> cassandra-stress writes don't respect 'select' parameter
> --------------------------------------------------------
>
> Key: CASSANDRA-8633
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8633
> Project: Cassandra
> Issue Type: Bug
> Reporter: Aleksey Yeschenko
> Assignee: Benedict
> Fix For: 2.1.3
>
> Attachments: partition1.yaml, partition2.yaml, partition3.yaml
>
>
> W/ the attached profile (partition1.yaml), which has 3 clustering columns, each w/ clustering: fixed(100), and select: fixed(1)/1M, stress generates huge batches (whereas should only generate single-row mutations).
> {noformat}
> WARN 20:37:59 Batch of prepared statements for [extreme.extreme] is of size 269973, exceeding specified threshold of 5120 by 264853.
> {noformat}
> It can be better or worth depending on the distribution of those clustering-s (w/ product fixed at 1M).
> W/ 10/1000/100 (partition2.yaml):
> {noformat}
> WARN 20:47:22 Batch of prepared statements for [extreme.extreme] is of size 1769445, exceeding specified threshold of 5120 by 1764325.
> {noformat}
> W/ 10k/100/1 (partition3.yaml):
> {noformat}
> WARN 20:50:19 Batch of prepared statements for [extreme.extreme] is of size 5373, exceeding specified threshold of 5120 by 253.
> {noformat}
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