[jira] [Updated] (COLLECTIONS-557) LRUMap memory usage vs size

["Thomas Neidhart (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COLLECTIONS-557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart updated COLLECTIONS-557:
----------------------------------------
    Fix Version/s: 4.1

> LRUMap memory usage vs size
> ---------------------------
>
>                 Key: COLLECTIONS-557
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-557
>             Project: Commons Collections
>          Issue Type: Improvement
>          Components: Map
>    Affects Versions: 3.2.1
>            Reporter: Philippe Mouawad
>              Labels: MEMORY
>             Fix For: 3.2.2, 4.1
>
>
> Hello,
> Currently LRUMap uses maxSize parameter to configure its maxSize.
> This is not great for its memory usage.
> For example I have a use case where I can't really guess the target maxSize of LRUMap so I have put a big number .
> In reality I end up having 380 elements but LRUMap uses 33 Mb of memory because it allocates (as capacity) LOAD_FACTORxsupposed max size.
> It would be nice to have the possibility to set maxSize apart making it unrelated to capacity.



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