[jira] [Created] (SAMZA-236) Switch samza-kv to use RocksDB

["Chris Riccomini (JIRA)" <ji...@apache.org>]

Chris Riccomini created SAMZA-236:
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             Summary: Switch samza-kv to use RocksDB
                 Key: SAMZA-236
                 URL: https://issues.apache.org/jira/browse/SAMZA-236
             Project: Samza
          Issue Type: Bug
          Components: kv
    Affects Versions: 0.6.0
            Reporter: Chris Riccomini
             Fix For: 0.8.0


The samza-kv implementation is currently using LevelDB. RocksDB seems to have a number of interesting options that would be useful to Samza:

# Ability to swap out skip list for a faster implementation when restoring data from a changelog stream.
# Ability to disable compaction during changelog stream restoration.
# Ability to have a single level (or single SST) rather than multiple levels in order to reduce read amplification.
# A merge operation for doing lazy read-modify-write during compaction.

And a lot more.



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