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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