X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpoller.php;h=d134f30d0fac270001d5cac8d9e98bc1411d81d7;hb=8a11a60932115725d65791d99a817aefbde174b7;hp=90e94ede9e05af23ba0bd56791569bbc6e0e1125;hpb=acb09d3a3d34ba180ef8804abf5e032b725f62e3;p=friendica.git diff --git a/include/poller.php b/include/poller.php index 90e94ede9e..d134f30d0f 100644 --- a/include/poller.php +++ b/include/poller.php @@ -26,20 +26,14 @@ function poller_run(&$argv, &$argc){ unset($db_host, $db_user, $db_pass, $db_data); }; - if (poller_max_connections_reached()) + if ($a->max_processes_reached()) return; - $load = current_load(); - if($load) { - $maxsysload = intval(get_config('system','maxloadavg')); - if($maxsysload < 1) - $maxsysload = 50; + if (poller_max_connections_reached()) + return; - if(intval($load) > $maxsysload) { - logger('system: load ' . $load . ' too high. poller deferred to next scheduled run.'); - return; - } - } + if (App::maxload_reached()) + return; // Checking the number of workers if (poller_too_much_workers(1)) { @@ -68,6 +62,10 @@ function poller_run(&$argv, &$argc){ while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) { + // Constantly check the number of parallel database processes + if ($a->max_processes_reached()) + return; + // Constantly check the number of available database connections to let the frontend be accessible at any time if (poller_max_connections_reached()) return; @@ -134,6 +132,11 @@ function poller_max_connections_reached() { // Fetch the max value from the config. This is needed when the system cannot detect the correct value by itself. $max = get_config("system", "max_connections"); + // Fetch the percentage level where the poller will get active + $maxlevel = get_config("system", "max_connections_level"); + if ($maxlevel == 0) + $maxlevel = 75; + if ($max == 0) { // the maximum number of possible user connections can be a system variable $r = q("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'"); @@ -162,10 +165,10 @@ function poller_max_connections_reached() { logger("Connection usage (user values): ".$used."/".$max, LOGGER_DEBUG); - $level = $used / $max; + $level = ($used / $max) * 100; - if ($level >= (3/4)) { - logger("Maximum level (3/4) of user connections reached: ".$used."/".$max); + if ($level >= $maxlevel) { + logger("Maximum level (".$maxlevel."%) of user connections reached: ".$used."/".$max); return true; } } @@ -190,12 +193,12 @@ function poller_max_connections_reached() { logger("Connection usage (system values): ".$used."/".$max, LOGGER_DEBUG); - $level = $used / $max; + $level = $used / $max * 100; - if ($level < (3/4)) + if ($level < $maxlevel) return false; - logger("Maximum level (3/4) of system connections reached: ".$used."/".$max); + logger("Maximum level (".$level."%) of system connections reached: ".$used."/".$max); return true; } @@ -205,6 +208,12 @@ function poller_max_connections_reached() { */ function poller_kill_stale_workers() { $r = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'"); + + if (!dbm::is_result($r)) { + // No processing here needed + return; + } + foreach($r AS $pid) if (!posix_kill($pid["pid"], 0)) q("UPDATE `workerqueue` SET `executed` = '0000-00-00 00:00:00', `pid` = 0 WHERE `pid` = %d",