[jira] [Created] (KAFKA-3987) Allow configuration of the hash algorithm used by the LogCleaner's offset map

["Luciano Afranllie (JIRA)" <ji...@apache.org>]

Luciano Afranllie created KAFKA-3987:
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             Summary: Allow configuration of the hash algorithm used by the LogCleaner's offset map
                 Key: KAFKA-3987
                 URL: https://issues.apache.org/jira/browse/KAFKA-3987
             Project: Kafka
          Issue Type: Improvement
          Components: config
            Reporter: Luciano Afranllie
            Priority: Minor
             Fix For: 0.10.1.0


In order to be able to do deployments of Kafka that are FIPS 140-2 (https://en.wikipedia.org/wiki/FIPS_140-2) complaint one of the requirements is not to use MD5.

Kafka is using MD5 to hash message keys in the offset map (SkimpyOffsetMap) used by the log cleaner.

The idea is to be able to configure this hash algorithm to something allowed by FIPS using a new configuration property.

The property could be named "log.cleaner.hash.algorithm" with a default value equal to "MD5" and the idea is to use it in the constructor of CleanerConfig.



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