[infinispan-issues] [JBoss JIRA] (ISPN-4217) Use ArrayList instead of LinkedList for DeltaAware and Delta in M/R

[Vladimir Blagojevic (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965529#comment-12965529 ] 

Vladimir Blagojevic commented on ISPN-4217:
-------------------------------------------

ArrayList is less memory intensive than Linked List [1] [2]

[1] http://stackoverflow.com/questions/11564352/arraylist-vs-linkedlist-from-memory-allocation-perspective
[2] https://code.google.com/p/memory-measurer/wiki/ElementCostInDataStructures

> Use ArrayList instead of LinkedList for DeltaAware and Delta in M/R
> -------------------------------------------------------------------
>
>                 Key: ISPN-4217
>                 URL: https://issues.jboss.org/browse/ISPN-4217
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Distributed Execution and Map/Reduce
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>
> Investigate switching to ArrayList as implementation of DeltaAware and Delta as ArrayList uses less memory than LinkedList. 



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