[jira] [Updated] (SLIDER-1090) Speed up SliderClient and AM by reading metainfo from summary file

["Gour Saha (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLIDER-1090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gour Saha updated SLIDER-1090:
------------------------------
    Fix Version/s: Slider 0.91

> Speed up SliderClient and AM by reading metainfo from summary file
> ------------------------------------------------------------------
>
>                 Key: SLIDER-1090
>                 URL: https://issues.apache.org/jira/browse/SLIDER-1090
>             Project: Slider
>          Issue Type: Bug
>    Affects Versions: Slider 0.81, Slider 0.90.2
>            Reporter: shanyu zhao
>            Assignee: shanyu zhao
>             Fix For: Slider 0.91
>
>         Attachments: SLIDER-1090.1.patch, SLIDER-1090.patch
>
>
> Today both SliderClient and SliderAM read package metainfo from HDFS. This requires downloading the whole package from HDFS. If package size is big (~200MB), this operation wastes tens of seconds in starting up the application.
> To speed up the operation of reading metainfo, we can read from an summary xml/json file if it exists in the same HDFS folder as the zip package. If the summary file does not exist, it falls back to the old way of downloading the zip package.



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