PERF: DB gains

--> alter table semaphore engine=memory DONE

innodb_buffer_pool_size about 70% of avail mem. 12gb/16gb box?
innodb_log_file_size... 256M
innodb_log_buffer_size=4M or more.

enable Mysql Query Cache (query_cache_size) DONE

find slow querys, create indez to opt. query.

Status: 

Priority: 

Normal