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New (experimental) value to define the maximum level of database connections for the worker

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This commit is contained in:
Michael Vogel 2016-04-23 10:11:09 +02:00
parent 76c04e6782
commit 76b24f61a9
2 changed files with 13 additions and 7 deletions
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17
include/poller.php
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@ -125,6 +125,11 @@ 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
$r = q("SHOW VARIABLES WHERE `variable_name` = 'max_user_connections'");
@ -153,10 +158,10 @@ function poller_max_connections_reached() {
logger("Connection usage (user values): ".$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;
}
}
@ -181,12 +186,12 @@ 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;
}