diff --git a/newznab/processing/ProcessReleases.php b/newznab/processing/ProcessReleases.php
index 05923710a..9c9539873 100644
--- a/newznab/processing/ProcessReleases.php
+++ b/newznab/processing/ProcessReleases.php
@@ -400,7 +400,7 @@ class ProcessReleases
 		foreach ($groupIDs as $groupID) {
 			if ($this->pdo->queryOneRow(
 					sprintf(
-						'SELECT id FROM %s WHERE filecheck = %d AND filesize > 0 AND group_id = %d LIMIT 1',
+						'SELECT SQL_NO_CACHE id FROM %s WHERE filecheck = %d AND filesize > 0 AND group_id = %d LIMIT 1',
 						$group['cname'],
 						self::COLLFC_SIZED,
 						$groupID['id']
@@ -504,7 +504,7 @@ class ProcessReleases
 
 		$collections = $this->pdo->queryDirect(
 			sprintf('
-				SELECT %s.*, groups.name AS gname
+				SELECT SQL_NO_CACHE %s.*, groups.name AS gname
 				FROM %s
 				INNER JOIN groups ON %s.group_id = groups.id
 				WHERE %s %s.filecheck = %d
@@ -541,7 +541,7 @@ class ProcessReleases
 				// A 1% variance in size is considered the same size when the subject and poster are the same
 				$dupeCheck = $this->pdo->queryOneRow(
 					sprintf("
-						SELECT id
+						SELECT SQL_NO_CACHE id
 						FROM releases
 						WHERE name = %s
 						AND fromname = %s
@@ -667,7 +667,7 @@ class ProcessReleases
 
 		$releases = $this->pdo->queryDirect(
 			sprintf("
-				SELECT CONCAT(COALESCE(cp.title,'') , CASE WHEN cp.title IS NULL THEN '' ELSE ' > ' END , c.title) AS title,
+				SELECT SQL_NO_CACHE CONCAT(COALESCE(cp.title,'') , CASE WHEN cp.title IS NULL THEN '' ELSE ' > ' END , c.title) AS title,
 					r.name, r.id, r.guid
 				FROM releases r
 				INNER JOIN category c ON r.categoryid = c.id
@@ -803,7 +803,7 @@ class ProcessReleases
 	 * Post-process releases.
 	 *
 	 * @param int        $postProcess
-	 * @param NNTP       $nntp
+	 * @param \NNTP       $nntp
 	 *
 	 * @void
 	 * @access public
@@ -943,7 +943,7 @@ class ProcessReleases
 		// Collections that somehow have no binaries.
 		$collectionIDs = $this->pdo->queryDirect(
 			sprintf(
-				'SELECT id FROM %s WHERE id NOT IN (SELECT collection_id FROM %s) %s',
+				'SELECT SQL_NO_CACHE id FROM %s WHERE id NOT IN (SELECT collection_id FROM %s) %s',
 				$group['cname'], $group['bname'], $this->minMaxQueryFormulator($group['cname'], 10000)
 			)
 		);
@@ -969,7 +969,7 @@ class ProcessReleases
 
 		$collections = $this->pdo->queryDirect(
 			sprintf('
-				SELECT c.id
+				SELECT SQL_NO_CACHE c.id
 				FROM %s c
 				INNER JOIN releases r ON r.id = c.releaseid
 				WHERE r.nzbstatus = 1',
@@ -1035,7 +1035,7 @@ class ProcessReleases
 		foreach ($groupIDs as $groupID) {
 			$releases = $this->pdo->queryDirect(
 				sprintf("
-					SELECT r.guid, r.id
+					SELECT SQL_NO_CACHE r.guid, r.id
 					FROM releases r
 					INNER JOIN groups g ON g.id = r.groupid
 					WHERE r.groupid = %d
@@ -1056,7 +1056,7 @@ class ProcessReleases
 			if ($maxSizeSetting > 0) {
 				$releases = $this->pdo->queryDirect(
 					sprintf('
-						SELECT id, guid
+						SELECT SQL_NO_CACHE id, guid
 						FROM releases
 						WHERE groupid = %d
 						AND size > %d',
@@ -1074,7 +1074,7 @@ class ProcessReleases
 
 			$releases = $this->pdo->queryDirect(
 				sprintf("
-					SELECT r.id, r.guid
+					SELECT SQL_NO_CACHE r.id, r.guid
 					FROM releases r
 					INNER JOIN groups g ON g.id = r.groupid
 					WHERE r.groupid = %d
@@ -1130,7 +1130,7 @@ class ProcessReleases
 		if ($this->pdo->getSetting('releaseretentiondays') != 0) {
 			$releases = $this->pdo->queryDirect(
 				sprintf(
-					'SELECT id, guid FROM releases WHERE postdate < (NOW() - INTERVAL %d DAY)',
+					'SELECT SQL_NO_CACHE id, guid FROM releases WHERE postdate < (NOW() - INTERVAL %d DAY)',
 					$this->pdo->getSetting('releaseretentiondays')
 				)
 			);
@@ -1146,7 +1146,7 @@ class ProcessReleases
 		if ($this->pdo->getSetting('deletepasswordedrelease') == 1) {
 			$releases = $this->pdo->queryDirect(
 				sprintf(
-					'SELECT id, guid FROM releases WHERE passwordstatus = %d',
+					'SELECT SQL_NO_CACHE id, guid FROM releases WHERE passwordstatus = %d',
 					\Releases::PASSWD_RAR
 				)
 			);
@@ -1162,7 +1162,7 @@ class ProcessReleases
 		if ($this->pdo->getSetting('deletepossiblerelease') == 1) {
 			$releases = $this->pdo->queryDirect(
 				sprintf(
-					'SELECT id, guid FROM releases WHERE passwordstatus = %d',
+					'SELECT SQL_NO_CACHE id, guid FROM releases WHERE passwordstatus = %d',
 					\Releases::PASSWD_POTENTIAL
 				)
 			);
@@ -1179,7 +1179,7 @@ class ProcessReleases
 			do {
 				$releases = $this->pdo->queryDirect(
 					sprintf(
-						'SELECT id, guid FROM releases WHERE adddate > (NOW() - INTERVAL %d HOUR) GROUP BY name HAVING COUNT(name) > 1',
+						'SELECT SQL_NO_CACHE id, guid FROM releases WHERE adddate > (NOW() - INTERVAL %d HOUR) GROUP BY name HAVING COUNT(name) > 1',
 						$this->crossPostTime
 					)
 				);
@@ -1196,7 +1196,7 @@ class ProcessReleases
 
 		if ($this->completion > 0) {
 			$releases = $this->pdo->queryDirect(
-				sprintf('SELECT id, guid FROM releases WHERE completion < %d AND completion > 0', $this->completion)
+				sprintf('SELECT SQL_NO_CACHE id, guid FROM releases WHERE completion < %d AND completion > 0', $this->completion)
 			);
 			if ($releases instanceof \Traversable) {
 				foreach ($releases as $release) {
@@ -1211,7 +1211,7 @@ class ProcessReleases
 		if (count($disabledCategories) > 0) {
 			foreach ($disabledCategories as $disabledCategory) {
 				$releases = $this->pdo->queryDirect(
-					sprintf('SELECT id, guid FROM releases WHERE categoryid = %d', $disabledCategory['id'])
+					sprintf('SELECT SQL_NO_CACHE id, guid FROM releases WHERE categoryid = %d', $disabledCategory['id'])
 				);
 				if ($releases instanceof \Traversable) {
 					foreach ($releases as $release) {
@@ -1224,7 +1224,7 @@ class ProcessReleases
 
 		// Delete smaller than category minimum sizes.
 		$categories = $this->pdo->queryDirect('
-			SELECT c.id AS id,
+			SELECT SQL_NO_CACHE c.id AS id,
 			CASE WHEN c.minsizetoformrelease = 0 THEN cp.minsizetoformrelease ELSE c.minsizetoformrelease END AS minsize
 			FROM category c
 			INNER JOIN category cp ON cp.id = c.parentid
@@ -1236,7 +1236,7 @@ class ProcessReleases
 				if ($category['minsize'] > 0) {
 					$releases = $this->pdo->queryDirect(
 						sprintf('
-							SELECT r.id, r.guid
+							SELECT SQL_NO_CACHE r.id, r.guid
 							FROM releases r
 							WHERE r.categoryid = %d
 							AND r.size < %d',
@@ -1260,7 +1260,7 @@ class ProcessReleases
 			foreach ($genrelist as $genre) {
 				$releases = $this->pdo->queryDirect(
 					sprintf('
-						SELECT id, guid
+						SELECT SQL_NO_CACHE id, guid
 						FROM releases
 						INNER JOIN (SELECT id AS mid FROM musicinfo WHERE musicinfo.genreID = %d) mi
 						ON musicinfoid = mid',
@@ -1280,7 +1280,7 @@ class ProcessReleases
 		if ($this->pdo->getSetting('miscotherretentionhours') > 0) {
 			$releases = $this->pdo->queryDirect(
 				sprintf('
-					SELECT id, guid
+					SELECT SQL_NO_CACHE id, guid
 					FROM releases
 					WHERE categoryid = %d
 					AND adddate <= NOW() - INTERVAL %d HOUR',
@@ -1300,7 +1300,7 @@ class ProcessReleases
 		if ($this->pdo->getSetting('mischashedretentionhours') > 0) {
 			$releases = $this->pdo->queryDirect(
 				sprintf('
-					SELECT id, guid
+					SELECT SQL_NO_CACHE id, guid
 					FROM releases
 					WHERE categoryid = %d
 					AND adddate <= NOW() - INTERVAL %d HOUR',