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https://issues.apache.org/jira/browse/CASSANDRA-9802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14627143#comment-14627143
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Tyler Hobbs commented on CASSANDRA-9802:
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What about picking a page size server-side based on the average row size for 
the table?  It wouldn't be perfect, but doing it based on our metrics would 
probably be better than (99% of) users could do manually.  As a bonus, it fixes 
the cqlsh problem.

> Better page size for aggregates in cqlsh
> ----------------------------------------
>
>                 Key: CASSANDRA-9802
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9802
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Sylvain Lebresne
>            Assignee: Benjamin Lerer
>            Priority: Minor
>             Fix For: 3.x
>
>
> As discussed in CASSANDRA-9724, cqlsh uses a small page size (100) which 
> makes sense for "normal" queries since you don't want to flood the terminal, 
> but is quite sub-optimal for aggregates where the page size is used as the 
> internal page size for the aggregate (there is thus no terminal flooding 
> concerns and a page size of 100 is too low).
> We should thus make cqlsh use a bigger page size (stick with the python 
> driver default for instance) when dealing with aggregate queries. According 
> to Tyler:
> bq. it's not trivial, but it is possible. It should take a day or less of 
> work.



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