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Posted to issues@tajo.apache.org by jinossy <gi...@git.apache.org> on 2015/09/01 16:42:29 UTC

[GitHub] tajo pull request: TAJO-1340: Change the default output file forma...

Github user jinossy commented on the pull request:

    https://github.com/apache/tajo/pull/671#issuecomment-136745852
  
    I've tested JDBC performance on laptop because my testing network environment is 1Gbps
    TPC-H scale-3 lineitem
    Query: select * from lineitem where 1=1
    
    Before
    ```
    Serialize per row + Text
    107 sec //avg 30MByte/sec
    ```
    After
    ```
    Serialize Row-Block + Text
    80 sec 
    Serialize Row-Block + DRAW
    30 sec
    ```


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