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Feature datafu ??#4

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cur4so wants to merge 6 commits intoapache:mainapache/datafu:mainfrom
cur4so:feature-DATAFU-XXcur4so/incubator-datafu:feature-DATAFU-XXCopy head branch name to clipboard
Open

Feature datafu ??#4
cur4so wants to merge 6 commits intoapache:mainapache/datafu:mainfrom
cur4so:feature-DATAFU-XXcur4so/incubator-datafu:feature-DATAFU-XXCopy head branch name to clipboard

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@cur4so
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@cur4so cur4so commented Dec 17, 2017

Uniform Random Sampling able to handle both fractional and int/long sample requests.
Should resolve OOM issue observed when Reservoir Sampling is used for int/long sample requests.
Should be faster in some cases and less memory consuming than ReservoirSample and SimpleRandomSample.
(Still need to make benchmarking test)

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