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https://issues.apache.org/jira/browse/PIG-2918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy V. Ryaboy updated PIG-2918:
-----------------------------------
Attachment: PIG-2918.patch
Attaching a quick pass over builtin functions.
> Avoid Spillable bag overhead where possible
> -------------------------------------------
>
> Key: PIG-2918
> URL: https://issues.apache.org/jira/browse/PIG-2918
> Project: Pig
> Issue Type: Bug
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Attachments: PIG-2918.patch
>
>
> We use BagFactory.newDefaultBag() liberally, and pay a price -- each such bag
> registers with the spillable memory manager, and if we allocate a lot of tiny
> bags, we wind up paying for maintaining and cleaning up the internal linked
> list of weak references.
> In many cases, we know a-priori that the bags are smal, and should probably
> be creating non-spillable bags for those cases.
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