g5_visit가 필요없다면

데이터를 지워 보세요.

서버 사양이 시원찮거나,

슬로우쿼리 걸린 게 있는지 체크하셔야..

https://www.google.com/search?q=mysql+slow+query&oq=mysql+slow&aqs=chrome.0.0j69i57j0l8.5413j0j4&sourceid=chrome&ie=UTF-8

회원 가입 페이지를 따로 때두시고 어디서 일단 시간이 걸리는지 확인을 해보셔야 할거 같습니다.

register_result.php  이후 발생하는 활동 ( sql, 파일 session 처리 등 ) 기록으로 남겨서 explain 떠보셔야 할 것 같습니다. 그누보드는 아니었지만 web service 처리가 늦는 대부분은 sql 또는 file i/o 쪽이 문제가 된 적이 많더군요.

# The following options will be passed to all MySQL clients
[client]
#password       = your_password
port            = 3306
socket          = /var/lib/mysql/mysql.sock
default-character-set=utf8

# The MySQL server
[mysqld]
port            = 3306
socket          = /var/lib/mysql/mysql.sock
datadir         = /var/lib/mysql
skip-name-resolve
skip-host-cache
# skip-external-locking

key_buffer_size = 256M

max_connections = 1200
max_connect_errors = 1200
connect_timeout  = 10
#max_allowed_packet = 1M
max_allowed_packet = 32M
wait_timeout = 28800
interactive_timeout = 28800

long_query_time = 3
slow_query_log = 1
slow_query_log_file=/var/log/mysql/mysql-slow.log

#sort_buffer_size = 512K
sort_buffer_size = 8M

#new
#join_buffer_size = 8M
#bulk_insert_buffer_size = 16M
tmp_table_size = 256M
#new
#max_heap_table_size = 256M

net_buffer_length = 16K

#newly added. 2021-01
myisam_sort_buffer_size = 8M

transaction-isolation = READ-COMMITTED 

#REPEATABLE-READ

init-connect='SET NAMES utf8'
character-set-server = utf8

#newly added. 2021-01
table_open_cache = 1280
query-cache-type = 1
query_cache_size = 256M
query_cache_limit = 256M

# Bulk insert for MyISAM.
bulk_insert_buffer_size = 64M
thread_concurrency = 4

# Don't listen on a TCP/IP port at all.
skip-networking

# required unique id between 1 and 2^32 - 1
server-id       = 1

# Uncomment the following if you are using BDB tables
#bdb_cache_size = 4M
#bdb_max_lock = 10000

# InnoDB tables are now used by default
#innodb_data_home_dir = /srv/mysql
#innodb_log_group_home_dir = /srv/mysql
# All the innodb_xxx values below are the default ones:
innodb_data_file_path = ibdata1:12M:autoextend
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
#inno buffer pool size = 128M, log = 48M, log buffer 16M
innodb_buffer_pool_size = 4G
innodb_log_file_size = 48M
innodb_log_buffer_size = 1M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb-defragment=1

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
default-character-set=utf8
# This statement tells MySQL server to log any query that takes longer that 3 seconds.
#log_slow_queries=/var/log/mysql/log-slow-queries.log
# This statement tells MySQL server where to log the slow queries.
#log_queries_not_using_indexes=YES 
# This is an optional statement that logs queries that don’t use an index.

[isamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

# End /etc/mysql/my.cnf
 

제 마리이디비 세팅값입니다.