vrana f841491524 Use Lisk sets in fact update iterator ... Summary: Fact engines loading dependent objects are super slow because they load them one by one. This diff put each page in a Lisk set allowing engines to use `loadRelatives()`. It also introduces `clearSet()` method which is somewhat neccessary in PHP < 5.3 or with disabled cyclic [[ http://php.net/gc | GC ]]. Test Plan: $iterator = new PhabricatorFactUpdateIterator(new DifferentialRevision()); foreach ($iterator as $revision) { $diffs = $revision->loadRelatives(new DifferentialDiff(), 'revisionID'); echo memory_get_usage() . "\n"; } Experienced not-steadily-increasing memory usage and much faster loading. Reviewers: epriestley Reviewed By: epriestley CC: aran, Korvin Differential Revision: https://secure.phabricator.com/D3247		2012-08-13 10:26:17 -07:00
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PhabricatorFactUpdateIterator.php	Use Lisk sets in fact update iterator	2012-08-13 10:26:17 -07:00