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Posted to commits@samza.apache.org by "Chris Riccomini (JIRA)" <ji...@apache.org> on 2015/01/30 01:58:34 UTC

[jira] [Created] (SAMZA-543) Disable WAL in RocksDB KV store

Chris Riccomini created SAMZA-543:
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             Summary: Disable WAL in RocksDB KV store
                 Key: SAMZA-543
                 URL: https://issues.apache.org/jira/browse/SAMZA-543
             Project: Samza
          Issue Type: Bug
          Components: kv
    Affects Versions: 0.9.0
            Reporter: Chris Riccomini
             Fix For: 0.9.0


RocksDB uses a write-ahead log by default. This is unnecessary in Samza, since we have full durability from a state store's changelog topic. We should [disable the WAL|https://github.com/facebook/rocksdb/wiki/Basic-Operations#asynchronous-writes] in the RocksDB KV store.



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