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MDL-65393 core: Make session history cleanup more aggressive.

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Ilya Tregubov 2019-04-23 11:40:17 +10:00 committed by Shamim Rezaie
parent 6a7451ff1b
commit dbed8bdb86
1 changed files with 8 additions and 2 deletions
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10
lib/classes/session/manager.php
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@ -1109,12 +1109,18 @@ class manager {
global $SESSION;
$locks = self::get_recent_session_locks();
$maximumstoredhistory = 50;
if (count($locks) > $maximumstoredhistory) {
$locks = array_slice($locks, -$maximumstoredhistory);
}
if (count($locks) > 2) {
for ($i = count($locks) - 1; $i > 0; $i--) {
// Calculate the gap between session locks.
$gap = $locks[$i]['released'] - $locks[$i - 1]['start'];
if ($gap >= 10) {
// Remove previous locks if the gap is 10 seconds or more.
if ($gap >= 1) {
// Remove previous locks if the gap is 1 second or more.
$SESSION->recentsessionlocks = array_slice($locks, $i);
break;
}