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

[Marc Delisle]

Madhura Jayaratne a écrit :
> On Sun, Oct 19, 2014 at 5:34 PM, Marc Delisle <marc at infomarc.info> wrote:
> 
>> Hi,
>>
>> With current master (8785ea0) I made some tests on a MySQL 5.5.37 server
>> containing about 81000 databases and about 81000 users.
>>
>> 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.
>>
> 
> There was a UI problem which caused the throbber to be removed before
> searching has finished and I suspect the above problem is due to that. The
> problem is fixed with [1]. Can you try with again with the commit.
> 
> [1]
> https://github.com/phpmyadmin/phpmyadmin/commit/d2aec03f2b0ef8bfc8d45fe582b9580ce14bf29f

I can no longer reproduce the problem.

-- 
Marc Delisle (phpMyAdmin)