I have downloaded mysqltuner from the default Ubuntu 20.04 apt repository for Raspberry Pi 4 (aarch64). Mysqltuner -v outputs MySQLTuner 1.7.13 - Major Hayden <major@mhtx.net>. When I run it, midway ...

[!!] Ratio InnoDB log file size / InnoDB Buffer pool size (0 %): 1.0G * /8.0G should be equal 25% Use of uninitialized value in multiplication (*) at /usr/bin/mysqltuner line Illegal modulus zero at ...

My last full-time job was manager of a university's database department. Ironically, I know very, very little about databases themselves. I'm no longer in charge of college databases, but I still do ...

I' running a MySql instance on a VPS I run. In an effort to optimise the limited resources I've got available I've been running through a few optimisations. I have downloaded and runmysqltuner.pl and ...