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Sylvain Lebresne commented on CASSANDRA-6538:
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bq. would this mean we would only be able to find the size of an entire row and
not an individual cell/column?
For the JMX call, that would be the size of an entire partition (so thrift
row), yes. But while I can buy that there is situation where a partition would
grow bigger than you expected and you want to check it, it feels a lot less
useful to me for a cell in general (because a cell don't "grow" in size, it's
the size of the data you inserted).
That being said, if we talking of CQL column values, it's probably not too hard
to add a sizeof method that would return the size of a value instead of the
value itself (not talking of doing any aggregation here). Not convinced it
would be "extremely" useful but it's not particularly crazy either.
> Provide a read-time CQL function to display the data size of columns and rows
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-6538
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6538
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Johnny Miller
> Priority: Minor
>
> It would be extremely useful to be able to work out the size of rows and
> columns via CQL.
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