Fixing #4892, #4890, #3131 - Re-index options

Issue #3131 has been available through the Edit Device interface for some time.  So, marking that complete.  The other two address first a bug in 1.2.22 with the removal of re-index records from the poller_command table, and introduces parallel processing to the whole re-index game.

CHANGELOG

@@ -1,5 +1,10 @@
 Cacti CHANGELOG
 
+1.2.23
+-issue#4892: Recache Loop after many devices go offline
+-feature#3131: Button to reindex bad indexes
+-feature#4890: Add multi threading for Poller rechace script
+
 1.2.22
 -security#4834: When creating new graphs, cross site injection is possible
 -issue#4768: When creating user from template, multiple Domain FullName and Mail are not propagated

include/global_settings.php

@@ -1246,7 +1246,7 @@
 			'size' => '5'
 		),
 		'timeouts_header' => array(
-			'friendly_name' => __('Background Timeout Settings'),
+			'friendly_name' => __('Background Timeout and Concurrent Process Settings'),
 			'collapsible' => 'true',
 			'method' => 'spacer',
 		),
@@ -1279,8 +1279,8 @@
 			)
 		),
 		'commands_timeout' => array(
-			'friendly_name' => __('Background Commands Timeout'),
-			'description' => __('The maximum amount of time Cacti\'s Background Commands script can run without generating a timeout error and being killed.'),
+			'friendly_name' => __('Poller Commands Timeout'),
+			'description' => __('The maximum amount of time Cacti\'s Background Commands script can run without generating a timeout error and being killed.  This script will perform tasks such as re-indexing Devices and pruning devices from Remote Data Collectors.'),
 			'method' => 'drop_array',
 			'default' => '300',
 			'array' => array(
@@ -1291,6 +1291,34 @@
 				'1200' => __('%s Minutes', 20)
 			)
 		),
+		'commands_processes' => array(
+			'friendly_name' => __('Poller Command Concurrent Processes'),
+			'description' => __('The number of concurrent Poller Command processes.  The will be at most one concurrent command per host within the Poller Command pool.'),
+			'default' => '1',
+			'method' => 'drop_array',
+			'array' => array(
+				1  => __('1 Process'),
+				2  => __('%d Processes', 2),
+				3  => __('%d Processes', 3),
+				4  => __('%d Processes', 4),
+				5  => __('%d Processes', 5),
+				6  => __('%d Processes', 6),
+				7  => __('%d Processes', 7),
+				8  => __('%d Processes', 8),
+				9  => __('%d Processes', 9),
+				10 => __('%d Processes', 10),
+				11 => __('%d Processes', 11),
+				12 => __('%d Processes', 12),
+				13 => __('%d Processes', 13),
+				14 => __('%d Processes', 14),
+				15 => __('%d Processes', 15),
+				16 => __('%d Processes', 16),
+				17 => __('%d Processes', 17),
+				18 => __('%d Processes', 18),
+				19 => __('%d Processes', 19),
+				20 => __('%d Processes', 20),
+			)
+		),
 		'maintenance_timeout' => array(
 			'friendly_name' => __('Maintenance Background Generation Timeout'),
 			'description' => __('The maximum amount of time a Cacti\'s Maintenance script can run without generating a timeout error and being killed.'),