[jira] [Created] (CASSSIDECAR-361) Fast Cassandra Input Validator

["Francisco Guerrero (Jira)" <ji...@apache.org>]

Francisco Guerrero created CASSSIDECAR-361:
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             Summary: Fast Cassandra Input Validator
                 Key: CASSSIDECAR-361
                 URL: https://issues.apache.org/jira/browse/CASSSIDECAR-361
             Project: Sidecar for Apache Cassandra
          Issue Type: Improvement
          Components: Performance, Rest API
            Reporter: Francisco Guerrero
            Assignee: Francisco Guerrero


I'm proposing a new implementation of the Cassandra input validator. Our current implementation is based on regular expressions. In the proposed implementation it optimizes by not using any regular expression.

A JMH benchmark shows a 15X speedup in the throughput in the optimized implementation. This is important because these validations sit at the beginning of every request, and when Sidecar is handling thousands of requests per second on a single instance, any improvement is significant.




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