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

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

    [ https://issues.apache.org/jira/browse/SAMZA-236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162113#comment-14162113 ] 

Chris Riccomini commented on SAMZA-236:
---------------------------------------

RocksDB cross-platform fat jar has been merged into RocksDB trunk.

https://github.com/facebook/rocksdb/pull/318

Working with the FB folks to publish to Maven now.

> 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: 0.8.0
>            Reporter: Chris Riccomini
>            Assignee: Naveen
>             Fix For: 0.8.0
>
>         Attachments: SAMZA-236.diff
>
>
> 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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