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Prevent soon killings

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Michael 2017-06-30 23:08:08 +00:00
parent 99b86c9fd9
commit 7726353601
1 changed files with 19 additions and 6 deletions
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25
include/poller.php
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@ -113,6 +113,7 @@ function poller_run($argv, $argc){
// To avoid the quitting of multiple pollers only one poller at a time will execute the check
if (Lock::set('poller_worker', 0)) {
$stamp = (float)microtime(true);
// Count active workers and compare them with a maximum value that depends on the load
if (poller_too_much_workers()) {
logger('Active worker limit reached, quitting.', LOGGER_DEBUG);
@ -125,6 +126,7 @@ function poller_run($argv, $argc){
return;
}
Lock::remove('poller_worker');
$poller_db_duration += (microtime(true) - $stamp);
}
// Quit the poller once every 5 minutes
@ -185,7 +187,7 @@ function poller_process_with_priority_active($priority) {
* @return boolean "true" if further processing should be stopped
*/
function poller_execute($queue) {
global $poller_db_duration;
global $poller_db_duration, $poller_last_update;
$a = get_app();
@ -225,6 +227,19 @@ function poller_execute($queue) {
$funcname = str_replace(".php", "", basename($argv[0]))."_run";
if (function_exists($funcname)) {
// We constantly update the "executed" date every minute to avoid being killed to soon
if (!isset($poller_last_update)) {
$poller_last_update = strtotime($queue["executed"]);
}
$age = (time() - $poller_last_update) / 60;
$poller_last_update = time();
if ($age > 1) {
dba::update('workerqueue', array('executed' => datetime_convert()), array('pid' => $mypid, 'done' => false));
}
poller_exec_function($queue, $funcname, $argv);
$stamp = (float)microtime(true);
@ -650,18 +665,16 @@ function poller_passing_slow(&$highest_priority) {
*
* @return boolean Have we found something?
*/
function find_worker_processes($mypid = 0) {
function find_worker_processes() {
if ($mypid == 0) {
$mypid = getmypid();
}
$mypid = getmypid();
// Check if we should pass some low priority process
$highest_priority = 0;
$found = false;
// The higher the number of parallel workers, the more we prefetch to prevent concurring access
$limit = Config::get("system", "worker_queues", 4) * 2;
$limit = Config::get("system", "worker_queues", 4);
$limit = Config::get('system', 'worker_fetch_limit', $limit);
if (poller_passing_slow($highest_priority)) {