As it says in the subject line, it is toolsdb. 
 

From: David Caro <dcaro@wikimedia.org>
Sent: Thursday, December 8, 2022 11:07 AM
To: Wikimedia Cloud Services general discussion and support <cloud@lists.wikimedia.org>
Subject: [Cloud] Re: Key errors on toolsdb database
 

What database are you using?


On 12/08 08:59, Russell Blau wrote:
> This morning I'm getting a bunch of errors that look like the following:
>
> ERROR: CREATE TABLE IF NOT EXISTS admin_list ( admin varchar(255) binary NOT NULL default '', PRIMARY KEY (admin) ) ENGINE=InnoDB ROW_FORMAT=DYNAMIC: Specified key was too long; max key length is 767 bytes
>
> I don't know whether this might be related to yesterday's database outage. I also don't understand the error message, since the primary key clearly is 255 bytes, which is less than 767.
>
> --
> Russell Blau
> russblau@imapmail.org

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David Caro
SRE - Cloud Services
Wikimedia Foundation <https://wikimediafoundation.org/>
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