[jira] [Updated] (METRON-377) Enable Profiles that Use Non-Single Pass Summary Functions

["Casey Stella (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/METRON-377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Casey Stella updated METRON-377:
--------------------------------
    Fix Version/s: 0.2.1BETA

> Enable Profiles that Use Non-Single Pass Summary Functions
> ----------------------------------------------------------
>
>                 Key: METRON-377
>                 URL: https://issues.apache.org/jira/browse/METRON-377
>             Project: Metron
>          Issue Type: Improvement
>            Reporter: Nick Allen
>            Assignee: Nick Allen
>             Fix For: 0.2.1BETA
>
>
> As of METRON-372, Profiles can be built using many statistical summaries that only require a single-pass over the data.  This is less memory intensive and more scalable for high volume loads.
> Unfortunately, not all functions can be calculated in a single pass.  In particular, the skewness, ketosis and percentiles require all data to be stored in memory for the calculation to occur.
> The platform needs enhanced so that a user can leverage skewness, ketosis and percentiles. 



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