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Joined: Jan 1st, '21, 13:57

Mchat crashes forum

Post by deninho32 »

If I use Mchat on my board it crashes the whole forum on some busier days. When we have 120+ visitors at the same time on our forum with 30+ people using the chat during a match, it causes a huge serverload. Is this extension limited to a certain amount of users?

Our VPS stats:

VM with 4 CPU's allocated model name: Intel (R) Xeon (R) CPU E5-2660 v4 @2.00 GHz en 4 GB RAM

General recommendations:
Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1
Adjust your join queries to always utilize indexes
Variables to adjust:
query_cache_size (> 64M)
join_buffer_size (> 2.0M, or always use indexes with joins)
innodb_buffer_pool_instances (=1)

( query_cache_size en join_buffer_size zijn al eens verdubbeld )

PHP 7.4 with these settings :

pm = dynamic
pm.max_children = 80
pm.start_servers = 8
pm.min_spare_servers = 8
pm.max_spare_servers = 16

Mysqltuner notofication :

[!!] Joins performed without indexes: 20774

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