How is your xerces compiled?
I noticed in my own testing that when I compiled the project with -g, the
memory stabilized. When compiled with -O, it appeared as if there was a
memory leak. I just chalked it up to some type of compiler bug in the
optimizer, and we use xerces compiled with -g...
Anthony
|---------+---------------------------->
| | "Jason Jesso" |
| | <jjesso@global-ma|
| | trix.com> |
| | |
| | 02/14/2002 09:29 |
| | AM |
| | Please respond to|
| | xerces-c-dev |
| | |
|---------+---------------------------->
>------------------------------------------------------------------------------------------------------------------------------|
|
|
| To: [EMAIL PROTECTED]
|
| cc:
|
| Subject: Re: xerces memory managment
|
|
|
|
|
>------------------------------------------------------------------------------------------------------------------------------|
Looks like the formatting is mixed up. This is ther SZ column from ps:
628
636
644
652
660
664
672
676
684
692
696
696
704
708
712
716
720
724
724
732
732
736
740
744
748
752
752
756
760
764
768
772
772
776
780
784
788
Jason Jesso wrote:
> Let me try here once more to see if anybody can help.
>
> I have a program that in an infinite loop creates a parser, parses an
> xml file and deletes the parser, and so on. The swap space for this
> simple program keeps increasing (look at the SZ column from ps -ael
> below) which suggests that the resources used are not getting released.
> If the memory was getting freed properly the SZ should stabilize. At
> the beginning of the loop I create a DOMParser and parse an xml file.
> At the end I "delete" the parser. I cannot see why the resources are
> not getting released and reused. I am using AIX4.3.3.
>
> "SZ"
> 200001 A 5490 66820 129302 6 63 20 371da 628 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 636 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 11 65 20 371da 644 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 5 62 20 371da 652 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 660 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 664 320a3718
> pts/59 0:00 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 672 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 676 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 684 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 11 65 20 371da 692 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 696 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 10 65 20 371da 696
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 704 320a3718
> pts/59 0:01 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 708 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 712 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 10 65 20 371da 716 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 720 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 724 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 724 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 732 320a3718
> pts/59 0:02 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 732 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 7 63 20 371da 736 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 11 65 20 371da 740 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 744 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 9 64 20 371da 748
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 752 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 752 320a3718
> pts/59 0:03 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 756 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 8 64 20 371da 760 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 5 62 20 371da 764 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 768 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 772 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 12 66 20 371da 772 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 776 320a3718
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 6 63 20 371da 780 31638298
> pts/59 0:04 a.out
> 200001 A 5490 66820 129302 11 65 20 371da 784 31638298
> pts/59 0:05 a.out
> 200001 A 5490 66820 129302 11 65 20 371da 788 31638298
> pts/59 0:05 a.out
>
> int
> main( int ac, char* av[] )
> {
> DOMParser *parser;
>
> if ( ac != 2 ){
> cerr << "usage: " << av[0] << " xml file" << endl;
> return 1;
> }
>
> try
> {
> XMLPlatformUtils::Initialize();
> }
> catch( const XMLException& e )
> {
> cerr << "Error during initialization! :\n"
> << e.getMessage() << "\n";
> return 1;
> }
>
> for ( ;; ){
>
> parser = new DOMParser;
> parser->setValidationScheme(DOMParser::Val_Always);
> DOMTreeErrorReporter *errReporter = new
> DOMTreeErrorReporter();
> parser->setErrorHandler(errReporter);
>
> //
> // Parse the XML file, catching any XML exceptions that might
> propogate
> // out of it.
> //
> bool errorsOccured = false;
>
> try
> {
> parser->parse( av[1] );
> int errorCount = parser->getErrorCount();
> if (errorCount > 0) errorsOccured = true;
> }
> catch( const XMLException& e )
> {
> cerr << "An error occured during parsing file: " << av[1]
> << endl << "Exception message is: " << endl << DOMString(e.getMessage())
> << endl;
> errorsOccured = true;
> }
> catch (const SAXParseException& e)
> {
> cerr << "An SAXParseException error occured during
> parsing, got SAXParseException " << DOMString(e.getMessage()) << "\n" ;
> errorsOccured = true;
> }
> catch (...)
> {
> cerr << "\nUnexpected exception during parsing: '" <<
> av[1] << "'\n";
> errorsOccured = true;
> }
>
> if ( errorsOccured || errReporter->getSawErrors() ){
> cerr << "Parse unsuccessful!" << endl;
> delete errReporter;
> delete parser;
> XMLPlatformUtils::Terminate();
> return 1;
> }
>
> delete errReporter;
> delete parser;
>
> cout << "Parse successful!" << endl;
>
> sleep(1);
> } /* for */
>
> XMLPlatformUtils::Terminate();
>
> return 0;
> }
>
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