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How to fix "Unavailable" with ERPNext On Amazon AWS on T2xlarge



Hello Everyone,
I did an installation along time ago on Amazon AWS using UnbntU linux 14.6, & kept upgrading the instance as long as my users are growing till we reached the T2xlarge instance now, however, for the 80 users I have sometimes the system give’s the unavailable page for no reason, I’ve never try any performance tuning on the linux or the MariaDB back-end please advice


If you haven’t then first increase workers (Recommended workers 9 for T2xlarge) in common_site_config. Generally path: frappe-bench/sites/common_site_config.json

Also consider some performance tuning for mysql as suggested in below post, file path: /etc/mysql/my.cnf