[Phpmyadmin-devel] testing master on a server with many databases

[Marc Delisle]

Le 2014-10-19 08:04, Marc Delisle a écrit :
> Hi,
> 
> With current master (8785ea0) I made some tests on a MySQL 5.5.37 server
> containing about 81000 databases and about 81000 users.

I forgot to mention that the test is being done with this:

$cfg['Servers'][$i]['DisableIS'] = true;

> 
> In the mysql.db tables there are about 81000 grant entries; each one
> grants some wildcard access to databases starting with a certain pattern.
> 
> I tested with root, since the reports we got about the server being slow
> seem to be occurring for root.
> 
> Good news
> ---------
> 
> First, the login. It takes about 7 seconds before seeing the initial
> page after login.
> 
> In the navi panel, there is a db page selector with 107 page numbers.
> Going to any page takes about 7 seconds. Opening a db takes about 4
> second (each db seems to contain about 31 tables).
> 
> Browsing tables, grid editing, searching inside a table behave normally.
> 
> Using Server > Databases works correctly, including switching pages.
> 
> 
> Problems
> --------
> 
> Going to a MyISAM table, Structure, and trying to change a column's
> structure takes 30 seconds before seeing the dialog for this column.
> Switching this table to InnoDB does not help.
> 
> Database filter: I got mixed results. Sometimes it works (after about 10
> seconds) but sometimes it stalls and does not find anything. I could not
> find a consistent way to reproduce.
> 
> Server > Users: "Error in processing request. Error code: 500. Error
> text: Internal server error".
> 
> 


-- 
Marc Delisle | phpMyAdmin