Нагрузка на mysql.

[BES84]

Идет большая нагрузка на базу. Никак не могу решить эту проблему. 

 

Вот что мне предоставляет хостинг:

 

Количество: 698971

Нагрузка: 1142

SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM occproduct_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = NNN AND pd2.quantity = NNN AND ((pd2.date_start = SSS OR pd2.date_start < NOW()) AND (pd2.date_end = SSS OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT NNN) AS discount, (SELECT price FROM occproduct_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = NNN AND ((ps.date_start = SSS OR ps.date_start < NOW()) AND (ps.date_end = SSS OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT NNN) AS special, (SELECT base_price FROM occproduct_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = NNN AND ((ps.date_start = SSS OR ps.date_start < NOW()) AND (ps.date_end = SSS OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT NNN) AS base_special, (SELECT points FROM occproduct_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = NNN) AS reward, (SELECT ss.name FROM occstock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = NNN) AS stock_status, (SELECT wcd.unit FROM occweight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = NNN) AS weight_class, (SELECT lcd.unit FROM occlength_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = NNN) AS length_class, (SELECT AVG(rating) AS total FROM occreview r1 WHERE r1.product_id = p.product_id AND r1.status = NNN GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM occreview r2 WHERE r2.product_id = p.product_id AND r2.status = NNN GROUP BY r2.product_id) AS reviews, p.sort_order FROM occproduct p LEFT JOIN occproduct_description pd ON (p.product_id = pd.product_id) LEFT JOIN occproduct_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN occmanufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = NNN AND pd.language_id = NNN AND p.status = NNN AND p.date_available <= NOW() AND p2s.store_id = NNN

 

 

[freelancer]

если сами, то вам поможет https://opencartforum.com/files/file/786-db-log/

если за оплату - 3тр