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https://issues.apache.org/jira/browse/UIMA-574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thilo Goetz closed UIMA-574.
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       Resolution: Fixed
    Fix Version/s: 2.3

To fix this, I had to completely rework the CAS heap.  I've thrown out a lot of 
the ancient baggage we've still been carrying around, the file has shrunk 
considerably.  The page-based implementation is no more.  The changes should be 
mostly transparent, but I did change a couple of APIs as well.  It might be 
good to check that binary serialization from and to C++ still works.


> CAS heap size is just increased by the initial heap size and is not doubled 
> until a threshold is reached
> --------------------------------------------------------------------------------------------------------
>
>                 Key: UIMA-574
>                 URL: https://issues.apache.org/jira/browse/UIMA-574
>             Project: UIMA
>          Issue Type: Bug
>          Components: Core Java Framework
>    Affects Versions: 2.3
>            Reporter: Michael Baessler
>            Assignee: Thilo Goetz
>             Fix For: 2.3
>
>
> Currently the CAS heap size is increased by the initial heap size if new heap 
> space is required. If the initial heap space is very small there is a high 
> performance impact for large documents.

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