In Percona’s white paper “Performance at Scale: Keeping Your Database on Its Toes,” we take a high-level approach to what you need to think about when planning for database scalability.
I have only my hostname "genius" in my /etc/hostname file - I believe this is correct for ubuntu?
SMTP; 550 Access denied - Invalid HELO name
root@genius:~# hostname genius root@genius:~# hostname --fqdn genius.bowens.co.za.
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