[jira] Closed: (XERCESC-1821) Configurable kInitialHeapAllocSize in xerces

["Boris Kolpackov (JIRA)" <xe...@xml.apache.org>]

     [ https://issues.apache.org/jira/browse/XERCESC-1821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Kolpackov closed XERCESC-1821.
------------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 3.1.0)
                   3.0.0
         Assignee: Boris Kolpackov  (was: David Bertoni)

I didn't like the idea of people waiting (and expecting) 3.1.0 even before 3.0.0 is out so I fixed this in the most non-intrusive way: I overloaded PlatformUtils::Initialize() function which now takes the three parameters corresponding to the three global k* variables. The fix is in SVN.

Scott and George: it would be a really good idea for you to grab a copy from SVN and test this feature to make sure it meets your requirement. I am working on the final release now so you only have a few days for this.


> Configurable  kInitialHeapAllocSize in xerces
> ---------------------------------------------
>
>                 Key: XERCESC-1821
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1821
>             Project: Xerces-C++
>          Issue Type: Improvement
>          Components: DOM
>         Environment: All OS
>            Reporter: george
>            Assignee: Boris Kolpackov
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: DOMDocumentImpl.cpp, DOMDocumentImpl.hpp
>
>
> The default  DOM initial heap size is 16k in the latest release (earlier release was 64k).  this number could be still too big or too small for some system.
> The idea is to make the following parameters configurable in the constructor via a singleton read function.
> static XMLSize_t kInitialHeapAllocSize =  0x4000;
> static XMLSize_t kMaxHeapAllocSize     =  0x20000;
> static XMLSize_t kMaxSubAllocationSize =  0x1000;  // Any request for more bytes
> Now the question is if you think this is a valuable suggestion?   I have a working code and would like to share if you think it worth the effort.
> Cheers
> George

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