Sugestões a considerar para sua seção my.cnf-ini [mysqld}
key_buffer_size=3G # from 4G - only 20% used
key_cache_age_threshold=64800 # from 300 second purge to reduce key_reads
key_cache_division_limit=50 # from 100 for Hot/Warm split of RAM
key_cache_block_size=16384 # from 1024 to reduce CPU usage to manage discards
query_cache_type=0 # for No QC that is only 10% efficient
query_cache_size=0 # from ? to use RAM for more useful purpose
query_cache_limit=0 # from 1M to use RAM for more useful purpose
innodb_buffer_pool_size=38G # from 30G for 60% of RAM remember CHG % setaside
innodb_buffer_pool_instances=8 # from 20 to continue to avoid mutex contention
innodb_lru_scan_depth=100 # from 1024 to save CPU every second - see refman
innodb_log_file_size=32M # from ? for about 1hr before rotation
innodb_log_buffer_size=16M # from 8M indicated by Mysqltuner
max_connections=100 # from 1000 - max_used_connections was 46 over 2 days
para permitir que os padrões trabalhem para você e conserve a pegada de RAM,
. LIGUE o seguinte com # e barra de espaço para que os padrões sejam efetivos.
sort_buffer_size
read_buffer_size
read_rnd_buffer_size
join_buffer_size
por favor, veja o meu perfil para informações de contato.
Gostaríamos de saber de seu progresso de tempos em tempos, por favor.