Index: class-manager.php
===================================================================
--- class-manager.php	(revision 6542)
+++ class-manager.php	(working copy)
@@ -20,6 +20,7 @@
 		add_action( 'plugin_directory_meta_sync', array( __NAMESPACE__ . '\Meta_Sync', 'cron_trigger' ) );
 		add_action( 'plugin_directory_svn_sync', array( __NAMESPACE__ . '\SVN_Watcher', 'cron_trigger' ) );
 		add_action( 'plugin_directory_update_api_check', array( __NAMESPACE__ . '\API_Update_Updater', 'cron_trigger' ) );
+		add_action( 'plugin_directory_plugin_support_resolved', array( __NAMESPACE__ . '\Plugin_Support_Resolved', 'cron_trigger' ) );
 
 		// A cronjob to check cronjobs
 		add_action( 'plugin_directory_check_cronjobs', array( $this, 'register_cron_tasks' ) );
Index: class-plugin-support-resolved.php
===================================================================
--- class-plugin-support-resolved.php	(nonexistent)
+++ class-plugin-support-resolved.php	(working copy)
@@ -0,0 +1,99 @@
+<?php
+/**
+ * Updates stats on resolved and unresolved support requests.
+ *
+ * @package WordPressdotorg\Plugin_Directory\Jobs
+ */
+
+namespace WordPressdotorg\Plugin_Directory\Jobs;
+
+use WordPressdotorg\Plugin_Directory\Plugin_Directory;
+
+/**
+ * Class Plugin_Support_Resolved
+ *
+ * @package WordPressdotorg\Plugin_Directory\Jobs
+ */
+class Plugin_Support_Resolved {
+
+	/**
+	 * The cron trigger for the import job.
+	 *
+	 * @static
+	 * @global wpdb $wpdb WordPress database class.
+	 */
+	public static function cron_trigger() {
+		global $wpdb;
+
+		// Support resolutions are on a 2 month rolling period.
+		$time_limit   = date( 'Y-m-d 00:00:00', strtotime( '-2 months' ) );
+		$plugin_stats = [];
+
+		$wpdb->set_blog_id( WPORG_SUPPORT_FORUMS_BLOGID );
+		// phpcs:ignore WordPress.VIP.DirectDatabaseQuery
+		$results = $wpdb->get_results( $wpdb->prepare( "SELECT t.slug as plugin_slug, meta_value as resolved, count(*) as topic_count
+FROM {$wpdb->posts} p
+	JOIN {$wpdb->postmeta} pm ON (p.ID = pm.post_id AND pm.meta_key = 'topic_resolved')
+	JOIN {$wpdb->term_relationships} tr ON (p.ID = tr.object_id)
+	JOIN {$wpdb->term_taxonomy} tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id AND tt.taxonomy = 'topic-plugin')
+	JOIN {$wpdb->terms} t ON (tt.term_id = t.term_id)
+WHERE
+	post_type = 'topic' AND
+	post_status = 'publish' AND
+	post_parent = (SELECT ID FROM {$wpdb->posts} WHERE post_type = 'forum' AND post_name = 'plugins-and-hacks') AND
+	post_date >= %s
+
+GROUP BY t.slug, meta_value", $time_limit ) );
+		$wpdb->set_blog_id( WPORG_PLUGIN_DIRECTORY_BLOGID );
+
+		foreach ( $results as $result ) {
+			if ( ! isset( $plugin_stats[ $result->plugin_slug ] ) ) {
+				$plugin_stats[ $result->plugin_slug ] = [
+					'yes' => 0,
+					'no'  => 0,
+					'mu'  => 0,
+				];
+			}
+
+			$plugin_stats[ $result->plugin_slug ][ $result->resolved ] = (int) $result->topic_count;
+		}
+
+		foreach ( array_chunk( $plugin_stats, 1000, true ) as $plugin_stats_chunk ) {
+			foreach ( $plugin_stats_chunk as $plugin_slug => $stats ) {
+				$plugin = Plugin_Directory::get_plugin_post( $plugin_slug );
+				if ( ! $plugin || 'publish' !== $plugin->post_status ) {
+					continue;
+				}
+
+				update_post_meta( $plugin->ID, 'support_threads', wp_slash( $stats ? $stats['yes'] + $stats['no'] : 0 ) );
+				update_post_meta( $plugin->ID, 'support_threads_resolved', wp_slash( $stats ? $stats['yes'] : 0 ) );
+			}
+
+			self::stop_the_insanity();
+		}
+	}
+
+	/**
+	 * Clear caches for memory management.
+	 *
+	 * @static
+	 * @global \wpdb            $wpdb
+	 * @global \WP_Object_Cache $wp_object_cache
+	 */
+	protected static function stop_the_insanity() {
+		global $wpdb, $wp_object_cache;
+
+		$wpdb->queries = [];
+
+		if ( is_object( $wp_object_cache ) ) {
+			$wp_object_cache->group_ops      = [];
+			$wp_object_cache->stats          = [];
+			$wp_object_cache->memcache_debug = [];
+			$wp_object_cache->cache          = [];
+
+			if ( method_exists( $wp_object_cache, '__remoteset' ) ) {
+				$wp_object_cache->__remoteset(); // Important.
+			}
+		}
+	}
+}