}
require_once("boot.php");
+require_once("dbm.php");
function poller_run(&$argv, &$argc){
global $a, $db;
unset($db_host, $db_user, $db_pass, $db_data);
};
+ $max_processes = get_config('system', 'max_processes_backend');
+ if (intval($max_processes) == 0)
+ $max_processes = 5;
+
+ $processlist = dbm::processlist();
+ if ($processlist["list"] != "") {
+ logger("Processcheck: Processes: ".$processlist["amount"]." - Processlist: ".$processlist["list"], LOGGER_DEBUG);
+
+ if ($processlist["amount"] > $max_processes) {
+ logger("Processcheck: Maximum number of processes for backend tasks (".$max_processes.") reached.", LOGGER_DEBUG);
+ return;
+ }
+ }
+
if (poller_max_connections_reached())
return;
while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
+ // Log the type of database processes
+ $processlist = dbm::processlist();
+ if ($processlist["amount"] != "") {
+ logger("Processcheck: Processes: ".$processlist["amount"]." - Processlist: ".$processlist["list"], LOGGER_DEBUG);
+
+ if ($processlist["amount"] > $max_processes) {
+ logger("Processcheck: Maximum number of processes for backend tasks (".$max_processes.") reached.", LOGGER_DEBUG);
+ return;
+ }
+ }
+
// Constantly check the number of available database connections to let the frontend be accessible at any time
if (poller_max_connections_reached())
return;
// 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
$r = q("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'");
logger("Connection usage (user values): ".$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;
}
}
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;
}