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https://issues.apache.org/jira/browse/CASSANDRA-8048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-8048:
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Summary: Add WARN for large resultsets (was: Add WARN for large rows)
> Add WARN for large resultsets
> -----------------------------
>
> Key: CASSANDRA-8048
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8048
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Adam Hattrell
>
> Similarly to how we warn on excessive tombstones or large batches - it would
> be useful to warn if we come across a large row over a specific threshold.
> If not too intrusive it could provide us with a smoking gun for gc thrashing
> type issues.
> To put some meat on the bones - I've recently seen someone store a 1Gb blob
> and then try to work round it by splitting it into 3 columns of 330 Mb each.
> Neither gave particularly good performance.
> On the opposite side of the coin - a large number of columns grabbed at once
> can also lead to problems.
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