[rt-users] any page showing a user drop down in a ticket is loading slow

Kevin Falcone falcone at bestpractical.com
Wed Dec 18 14:42:47 EST 2013


On Wed, Dec 18, 2013 at 02:15:06PM -0500, Adam Hobaugh wrote:
> On 12/18/2013 01:07 PM, Kevin Falcone wrote:
> >Your query here says that MySQL is looking at a pretty tiny dataset
> >and running the same query on multiple databases here shows a wildly
> >different explain and very quick results.  This usually points to you
> >having some enormous tables (although the explain doesn't indicate
> >that) or a badly tuned mysql.
> >
> >Can you download and run http://mysqltuner.pl on your database.
> I will have to go through this script and consult with a colleague
> before running that as our database contains more than just our
> ticket system.

We'll see what it returns.
Nothing in your data set is particularly large, which points more and
more to MySQL problems.

-kevin

> >It would also be interesting to see
> >     SELECT TABLE_ROWS, TABLE_NAME
> >     FROM information_schema.tables
> >     WHERE TABLE_SCHEMA = 'rt4';
> >changing your database name where needed.
> mysql> SELECT TABLE_ROWS, TABLE_NAME
>     ->     FROM information_schema.tables
>     ->     WHERE TABLE_SCHEMA = 'rt4_2_1';
> +------------+-------------------------+
> | TABLE_ROWS | TABLE_NAME              |
> +------------+-------------------------+
> |        579 | ACL                     |
> |          0 | Articles                |
> |    1436268 | Attachments             |
> |       5708 | Attributes              |
> |     353565 | CachedGroupMembers      |
> |          0 | Classes                 |
> |         36 | CustomFieldValues       |
> |          4 | CustomFields            |
> |     107281 | GroupMembers            |
> |     157020 | Groups                  |
> |       1579 | Links                   |
> |          0 | ObjectClasses           |
> |      14357 | ObjectCustomFieldValues |
> |          4 | ObjectCustomFields      |
> |         45 | ObjectScrips            |
> |          0 | ObjectTopics            |
> |     162308 | Principals              |
> |         16 | Queues                  |
> |         21 | ScripActions            |
> |         22 | ScripConditions         |
> |         45 | Scrips                  |
> |         35 | Templates               |
> |      35232 | Tickets                 |
> |          0 | Topics                  |
> |     578000 | Transactions            |
> |      10340 | Users                   |
> |       4518 | sessions                |
> +------------+-------------------------+
> 27 rows in set, 1 warning (0.43 sec)
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