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Posted to commits@samza.apache.org by "Tao Feng (JIRA)" <ji...@apache.org> on 2015/12/16 08:09:47 UTC

[jira] [Commented] (SAMZA-841) replace RocksDB put with writeBatch for Samza RocksDB putAll method

    [ https://issues.apache.org/jira/browse/SAMZA-841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059610#comment-15059610 ] 

Tao Feng commented on SAMZA-841:
--------------------------------

Previously Samza encounters https://github.com/facebook/rocksdb/issues/262 when using writeBatch. I am not sure if it provides performance improvement benefit.  Will write a Java program to quickly evaluate. 

> replace RocksDB put with writeBatch for Samza RocksDB putAll method
> -------------------------------------------------------------------
>
>                 Key: SAMZA-841
>                 URL: https://issues.apache.org/jira/browse/SAMZA-841
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Tao Feng
>            Assignee: Tao Feng
>
> Previously Samza encounters rocksDB writeBatch issue. Since Samza upgrades its RocksDB version to 3.13 in SAMZA-747, the issue is expected to be gone. We should consider use writeBatch for RocksDB putAll method if it provides performance improvement over put. 



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