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From "Davies Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-4562) serialization in MLlib is slow
Date Sun, 23 Nov 2014 09:17:12 GMT

     [ https://issues.apache.org/jira/browse/SPARK-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davies Liu updated SPARK-4562:
------------------------------
    Summary: serialization in MLlib is slow  (was: serialization of DenseVector is slow)

> serialization in MLlib is slow
> ------------------------------
>
>                 Key: SPARK-4562
>                 URL: https://issues.apache.org/jira/browse/SPARK-4562
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib, PySpark
>    Affects Versions: 1.2.0
>            Reporter: Davies Liu
>
> There is a performance regression in  test of GLM, it's introduced by serialization change
of Vector.



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