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N°4692 - Enable parallelization of multiple CRON jobs

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This commit is contained in:
Eric Espie
2026-07-15 09:08:28 +02:00
parent 5cabac63e7
commit 7c827d61cf
4 changed files with 268 additions and 165 deletions
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44
setup/setuputils.class.inc.php
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@@ -2056,25 +2056,45 @@ JS
*/
private static function WaitCronTermination($oConfig, $sMode)
{
$iMaxDuration = $oConfig->Get('cron_max_execution_time');
// Avoid PHP stopping while waiting the cron
set_time_limit($iMaxDuration);
try {
// Wait for cron to stop
if (is_null($oConfig) || ContextTag::Check(ContextTag::TAG_CRON)) {
return;
}
// Use mutex to check if cron is running
$oMutex = self::GetCronMutex($oConfig);
// Limit the number of cron process to run in parallel
$iMaxCronProcess = $oConfig->Get('cron.max_processes');
$iCount = 1;
$iStarted = time();
$iMaxDuration = $oConfig->Get('cron_max_execution_time');
$iTimeLimit = $iStarted + $iMaxDuration;
while ($oMutex->IsLocked()) {
SetupLog::Info("Waiting for cron to stop ($iCount)");
$iCount++;
sleep(1);
if (time() > $iTimeLimit) {
throw new Exception("Cannot enter $sMode mode, consider stopping the cron temporarily");
$iTimeLimit = time() + $iMaxDuration;
do {
$bIsRunning = false;
// Use all mutexes to check if cron is running
for ($i = 0; $i < $iMaxCronProcess; $i++) {
$sName = "cron#$i";
$oMutex = new iTopMutex(
$sName.$oConfig->Get('db_name').$oConfig->Get('db_subname'),
$oConfig->Get('db_host'),
$oConfig->Get('db_user'),
$oConfig->Get('db_pwd'),
$oConfig->Get('db_tls.enabled'),
$oConfig->Get('db_tls.ca')
);
if ($oMutex->IsLocked()) {
$bIsRunning = true;
SetupLog::Info("Waiting for cron to stop ($iCount)");
$iCount++;
sleep(1);
if (time() > $iTimeLimit) {
SetupLog::Error("Cannot enter $sMode mode, consider stopping the cron temporarily");
throw new Exception("Cannot enter $sMode mode, consider stopping the cron temporarily");
}
break;
}
}
}
} while ($bIsRunning);
} catch (Exception $e) {
// Ignore errors
}