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Fix memory leak in Inbox::addToInbox() (usage of raw DB_DataObject::staticGet, which leaks memory into a process-global cache).

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On my test setup, this fixes inbox delivery to 10,000 local recipients from background queuedaemon running with a 32mb memory limit, completes the job within a minute from start.
This commit is contained in:
Brion Vibber 2010-06-01 13:53:44 -07:00
parent 634752f0d2
commit 17ab15a3d0
1 changed files with 6 additions and 3 deletions
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9
classes/Inbox.php
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@ -115,9 +115,12 @@ class Inbox extends Memcached_DataObject
*/
static function insertNotice($user_id, $notice_id)
{
$inbox = DB_DataObject::staticGet('inbox', 'user_id', $user_id);
if (empty($inbox)) {
// Going straight to the DB rather than trusting our caching
// during an update. Note: not using DB_DataObject::staticGet,
// which is unsafe to use directly (in-process caching causes
// memory leaks, which accumulate in queue processes).
$inbox = new Inbox();
if (!$inbox->get('user_id', $user_id)) {
$inbox = Inbox::initialize($user_id);
}