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boggseric · #**1015** 10-13-2013, 03:37 AM

Having some issues with slow queries. Getting the good old copying to temp table and a healthy delay while that's done.

It's hitting the thread table so I'm guessing that's the problem as our thread table is rather large.

Threads 878,024 Posts 14,841,008

Any idea if adding an index on thread.vbookie_item_id would help to speed these queries up?

Code:

Command: Query
   Time: 16
  State: Copying to tmp table
   Info: SELECT item.item_id, item.item_title, item.threadid, grp.group_title, item.item_status, item.item_created, item.item_open_until, item.item_pay_after, thread.threadid, thread.forumid, thread.postuserid
                FROM vbookie_items AS item
                LEFT JOIN vbookie_groups AS grp ON grp.group_id = item.group_id
                LEFT JOIN thread AS thread ON thread.vbookie_item_id = item.item_id
                WHERE item.item_status='SETTLED'
                ORDER BY  item.item_id DESC
                LIMIT 0, 20
6 rows in set (0.00 sec)

Code:

Command: Query
   Time: 45
  State: Copying to tmp table
   Info: SELECT item.item_id, item.item_title, item.threadid, grp.group_title, item.item_status, item.item_created, item.item_open_until, item.item_pay_after, thread.threadid, thread.forumid, thread.postuserid
                FROM vbookie_items AS item
                LEFT JOIN vbookie_groups AS grp ON grp.group_id = item.group_id
                LEFT JOIN thread AS thread ON thread.vbookie_item_id = item.item_id
                WHERE item.item_status='SETTLED'
                ORDER BY  item.item_id DESC
                LIMIT 0, 20

Code:

Command: Query
   Time: 3
  State: Copying to tmp table
   Info: SELECT item.item_id, item.item_title, item.threadid, grp.group_title, item.item_status, item.item_created, item.item_open_until, item.item_pay_after, thread.threadid, thread.forumid, thread.postuserid
                FROM vbookie_items AS item
                LEFT JOIN vbookie_groups AS grp ON grp.group_id = item.group_id
                LEFT JOIN thread AS thread ON thread.vbookie_item_id = item.item_id
                WHERE item.item_status='CLOSED'
                ORDER BY item.item_pay_after,  item.item_id DESC
                LIMIT 0, 20

etc...

thanks

X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.01112 seconds Memory Usage 1,769KB Queries Executed 11 (?)
More Information
Template Usage: (1)SHOWTHREAD_SHOWPOST (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (3)bbcode_code (1)footer (1)gobutton (1)header (1)headinclude (6)option (1)post_thanks_box (1)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (1)post_thanks_postbit_info (1)postbit (1)postbit_onlinestatus (1)postbit_wrapper (1)spacer_close (1)spacer_open Phrase Groups Available: global postbit reputationlevel showthread	Included Files: ./showpost.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_postinfo_query fetch_postinfo fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showpost_start bbcode_fetch_tags bbcode_create postbit_factory showpost_post postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start showpost_complete
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