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https://issues.apache.org/jira/browse/CASSANDRA-11882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15307510#comment-15307510
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Sylvain Lebresne commented on CASSANDRA-11882:
----------------------------------------------

We don't want to add such limitation in 3.0. The fact that don't have a 64K 
limit for the clustering columns value is a feature in 3.0, not a bug, and we 
don't want to artificially add it back. The only thing that 3.0 might need is 
the change to {{OutboundTcpConnection}}, but as far as I can tell, that's about 
it.

> Clustering Key with ByteBuffer size > 64k throws Assertion Error
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-11882
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11882
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL, Streaming and Messaging
>            Reporter: Lerh Chuan Low
>             Fix For: 2.1.x, 2.2.x
>
>         Attachments: 11882-2.1.txt, 11882-2.2.txt, 11882-3.X.txt
>
>
> Setup:
> {code}
> CREATE KEYSPACE Blues WITH REPLICATION = { 'class' : 'SimpleStrategy', 
> 'replication_factor' : 2};
> CREATE TABLE test (a text, b text, PRIMARY KEY ((a), b))
> {code}
> There currently doesn't seem to be an existing check for selecting clustering 
> keys that are larger than 64k. So if we proceed to do the following select:
> {code}
> CONSISTENCY ALL;
> SELECT * FROM Blues.test WHERE a = 'foo' AND b = 'something larger than 64k';
> {code}
> An AssertionError is thrown in `ByteBufferUtil` with just a number and an 
> error message detailing 'Coordinator node timed out waiting for replica nodes 
> responses' . Additionally, because an error extends Throwable (it's not a 
> subclass of Exception), it's not caught so the connection between the 
> coordinator node and the other nodes which have the replicas seem to be 
> 'stuck' until it's restarted. Any other subsequent queries, even if it's just 
> SELECT where a = 'foo' and b = 'bar', will always return the Coordinator 
> timing out waiting for replica nodes responses'.



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