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vb.org Archive (https://vborg.vbsupport.ru/index.php)
-   vBulletin 3.0 Full Releases (https://vborg.vbsupport.ru/forumdisplay.php?f=33)
-   -   vBookie - vBulletin Betting Hack (https://vborg.vbsupport.ru/showthread.php?t=65844)

mykes 05-11-2005 06:20 PM
Code:
# Query_time: 977  Lock_time: 455  Rows_sent: 20  Rows_examined: 125192586
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.thr
eadid, 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;
vBookie locking the thread table for 455 seconds! The whole site stops for that long. Look at how many rows examined! Dang these LEFT JOINs.

Did some digging:

mysql> select count(*) from thread;
+----------+
| count(*) |
+----------+
| 159281 |
+----------+

mysql> select count(*) from vbookie_items;
+----------+
| count(*) |
+----------+
| 844 |
+----------+

I think it scanned the entire thread table about 844 times to do the query, and it created temporary tables to boot.


My fix was to enter the following query:

create index thread_vbookie on thread (vbookie_item_id);

This costs sizeof(MEDIUM_INT)*159281 bytes of RAM to keep the needed field in RAM all the time.

At MEDIUM_INT = 2 bytes, it's 320K. At 4 bytes, it's 640K. Puny amount of memory to save all those table scans.

I'm pretty sure it worked, as I went to the vbookie.php page and did all kinds of sorts and they were instant.

carolmyt 05-11-2005 09:15 PM
Ok, I installed it, with no problems, I hadn't added any events yet, but the page was working. Now, when I click on the link, all I get is a blank white page. the php file is definitely still uploaded, and the link in the navbar is going to the right place, so, what's up?

carolmyt 05-11-2005 09:17 PM
Oh, and this is only when the hack is turned on. When its off, there's a standard 'you can't access this page' message.

djwins 05-12-2005 03:06 PM
Quote:
Originally Posted by hitmanuk2k
Where does one define the start off amount each user gets? I want 100 not 500.
Set the default to 100 in vbookie_cash in the user table in your mySQL db.

Flow Fusion 05-12-2005 07:48 PM
Quote:
Originally Posted by Flow Fusion
OK I got everything to work till I hit submit and then nothing. Anyone have any idea why this is?
A lil help here?

freebase69 05-12-2005 09:11 PM
Ok easy question here...how do you settle an event after the event has ended and you know the outcome? I can't seem to figure this one out and the online manual can't be found.

Thanks

freebase69 05-16-2005 09:41 PM
bump...anyone?

RichieBoy67 05-18-2005 06:37 PM
Is there an uninstaller for this? I need to reinstall the queris

Pain86 05-18-2005 09:45 PM
hi... i have this installed on my forums but when i set which usergroup to be able to bet it just wont let that usegroup bet...

any idea what could be the problem?

i want every usergroup to able to bet on events... so i set "can this usergroup bet on events" to yes...

but when i make an event it says "you may not bet on this event" ?!?!

help please.

T_Montana 05-20-2005 08:57 PM
great hack


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