> Hi,
>
> I wonder if anyone can tell me if the functions used when I call
> SMWQueryProcessor::getResultFromQueryString should release all the memory
> after
> they finished?
>
> I thought I could avoid a memory problem by calling getResultFromQueryString
> with different 'offset' values to retrieve smaller chunks of articles.
> However,
> at some point I still run out of memory during the loop, even if I just call
> the
> function and ignore the result.
>
> $maxresults = 500;
> $limit = $params['limit']; # is 10
> for ($ofs = 0; $ofs < $maxresults ; $ofs += $limit) {
> $params['offset'] = $ofs;
> $dummy = SMWQueryProcessor::getResultFromQueryString($querystring,
> $params, $printouts, SMW_OUTPUT_WIKI);
> }
>
> When $ofs reaches 490 I run out of memory (Fatal error: Allowed memory size of
> 134217728 bytes exhausted).
>
> The test query is '[[MyProp::~*;?;?]][[Category:MainArticle]]' with about
> 19000
> articles matching (as using [[MyProp::?;?;?]] gives the error 'The value of
> property "MyProp" was not understood', I have to replace one '?' with '~*').
>
> MediaWiki 1.13.1
> PHP 5.2.1
> MySQL 6.0.45
> SMW 1.5a SVN
>
> Thanks,
> Gu
>
Hi!
By the way, from the linux admin point, you have not very stable
versions of PHP and MySQL.
I believe that mediawiki users had generally stayed away from PHP 5.2.x
branch until recent
releases (5.2.6, 5.2.8).
Is MySQL 6.x already stable enough? Some time ago it was still
experimental, probably
also introducing new not throuthly tested DB engine..
(I am doing very different things right now, but still hoping to build
another SMW site in
some time)..
Dmitriy
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