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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (PIG-793) Improving memory efficiency of Tuple implementation
Date Fri, 26 Jun 2009 15:43:07 GMT

     [ https://issues.apache.org/jira/browse/PIG-793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates reassigned PIG-793:
------------------------------

    Assignee: Alan Gates

> Improving memory efficiency of Tuple implementation
> ---------------------------------------------------
>
>                 Key: PIG-793
>                 URL: https://issues.apache.org/jira/browse/PIG-793
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Olga Natkovich
>            Assignee: Alan Gates
>
> Currently, our tuple is a real pig and uses a lot of extra memory. 
> There are several places where we can improve memory efficiency:
> (1) Laying out memory for the fields rather than using java objects since since each
object for a numeric field takes 16 bytes
> (2) For the cases where we know the schema using Java arrays rather than ArrayList.
> There might be more.

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