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https://issues.apache.org/jira/browse/CASSANDRA-8720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17397275#comment-17397275
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Andres de la Peña commented on CASSANDRA-8720:
----------------------------------------------
CASSANDRA-16310 will add tracking of the top partitions, which can be queried
online and doesn't require to scan the data. The idea here is having an offline
tool like
[{{sstablepartitions}}|https://docs.datastax.com/en/dse/6.7/dse-dev/datastax_enterprise/tools/toolsSStables/sstablepartitions.html]
allowing more ad-hoc queries, such as getting all the partitions over a
certain threshold.
> Provide tools for finding wide row/partition keys
> -------------------------------------------------
>
> Key: CASSANDRA-8720
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8720
> Project: Cassandra
> Issue Type: Improvement
> Components: Legacy/Tools
> Reporter: J.B. Langston
> Assignee: Andres de la Peña
> Priority: Normal
> Fix For: 3.11.x, 4.0.x
>
> Attachments: 8720.txt
>
>
> Multiple users have requested some sort of tool to help identify wide row
> keys. They get into a situation where they know a wide row/partition has been
> inserted and it's causing problems for them but they have no idea what the
> row key is in order to remove it.
> Maintaining the widest row key currently encountered and displaying it in
> cfstats would be one possible approach.
> Another would be an offline tool (possibly an enhancement to sstablekeys) to
> show the number of columns/bytes per key in each sstable. If a tool to
> aggregate the information at a CF-level could be provided that would be a
> bonus, but it shouldn't be too hard to write a script wrapper to aggregate
> them if not.
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