php - Doctrine with large datasets -

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does have experience using doctrine large datasets? have import script uses doctrine , uses way memory. speed isn't huge problem memory usage is. have tips keeping doctrine's memory usage down?

in doctrine 1.2 @ least, freeing objects after use frees memory, recommended long-running scripts:

$my_object->free();

there's few tips on improving performance @ end of official guide:

http://www.doctrine-project.org/projects/orm/1.2/docs/manual/improving-performance/en


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