Francisco Guerrero created CASSANDRA-19500:
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             Summary: [Analytics] Mask hash value produced by lz4's xxhash 
implementation
                 Key: CASSANDRA-19500
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19500
             Project: Cassandra
          Issue Type: Bug
            Reporter: Francisco Guerrero
            Assignee: Francisco Guerrero


When bumping the Sidecar version used in Analytics, an issue surfaced in the 
LZ4 implementation of XXHash32 where the hash value is not masked and this 
causes the negative sign to be forwarded. Other implementations (for example 
commons-codec) mask the hash value correctly.



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