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https://issues.apache.org/jira/browse/CASSANDRA-9149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487583#comment-14487583
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Philip Thompson commented on CASSANDRA-9149:
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What C* version are you using? Are you aware of CASSANDRA-7444? There is a
fixed overhead per CF, which I'm not sure is going to be removed.
> nodes slow down when having too many column families
> ----------------------------------------------------
>
> Key: CASSANDRA-9149
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9149
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: ZhaoYang
>
> When creating a few thousand column families, the nodes(2-3) slow down a lot.
> In my case, the number of column families will continue increase.
> Currently, some advice is like modeling(*hacking*) data to fit in smaller
> number of column families. But this method really didn't work well due to
> lack of atomicity and bad performance.
> Is there a way to solve it or improve it in future release? It's okay to make
> the cluster a bit slower, as long as not too slow. Any suggestions are
> welcome.
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