PhabricatorGarbageCollectorDaemon.php
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PhabricatorGarbageCollectorDaemon.php
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	<?php

	/**
	* Collects old logs and caches to reduce the amount of data stored in the
	* database.
	*/
	final class PhabricatorGarbageCollectorDaemon extends PhabricatorDaemon {

	public function run() {
	$collectors = id(new PhutilSymbolLoader())
	->setAncestorClass('PhabricatorGarbageCollector')
	->loadObjects();

	do {
	foreach ($collectors as $name => $collector) {
	$more_garbage = false;
	do {
	if ($more_garbage) {
	$this->log(pht('Collecting more garbage with "%s".', $name));
	} else {
	$this->log(pht('Collecting garbage with "%s".', $name));
	}

	$more_garbage = $collector->collectGarbage();
	$this->stillWorking();
	} while ($more_garbage);
	}

	// We made it to the end of the run cycle of every GC, so we're more or
	// less caught up. Ease off the GC loop so we don't keep doing table
	// scans just to delete a handful of rows; wake up in a few hours.
	$this->log(pht('All caught up, waiting for more garbage.'));
	$this->sleep(4 * (60 * 60));
	} while (true);

	}

	}