lightman555
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- 7 Мар 2013
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- #1
Конфигурация сервера:
Память: 8 GB
Процессор: 2 ядра
Дисковая система: 50 GB SSD
Два магазина на престе - основной на 1.4.11
Уникальных посетителей за сутки 600-1000
подключен мемкешед и выделено под него 2Гига оперативки
периодически возникает бешеная нагрузка на MySQL в виду большого числа запросов.
анализ кеширования базу говорит, что база закеширована плохо и только 5-10% её кеша используется.
Изучая долго интернет создал файл конфигурации для MySQL - подскажите что не так я делаю - не перемудрил ли?:
#
# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#
# For explanations see
# Для просмотра ссылки Войдиили Зарегистрируйся
# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain "#" chars...
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock
# Here is entries for some specific programs
# The following values assume you have at least 32M ram
# This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0
[mysqld]
#
# * Basic Settings
#
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /var/tmpfs
lc-messages-dir = /usr/share/mysql
skip-external-locking
bind-address = 127.0.0.1
#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
#
# * Fine Tuning
#
key_buffer_size = 16M
key_buffer = 1024M
max_join_size = 1000000
max_allowed_packet = 256M
thread_stack = 512K
thread_cache_size = 50
#table_open_cache = 6000
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched
myisam-recover = BACKUP
#max_connections = 100
table_cache = 60000
thread_concurrency = 5
#
# * Query Cache Configuration
#
query_cache_limit = 2M
query_cache_size = 256M
table_cache = 512
sort_buffer = 8M
myisam_sort_buffer_size = 256M
tmp_table_size = 256M
max_heap_table_size = 128M
read_buffer_size = 16M
read_rnd_buffer_size = 4M
sort_buffer_size = 2M
join_buffer_size = 18M
open_files_limit = 4096
table_open_cache = 4096
max_sort_length = 512
#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# As of 5.1 you can enable the log at runtime!
#general_log_file = /var/log/mysql/mysql.log
#general_log = 1
#
# Error logging goes to syslog due to /etc/mysql/conf.d/mysqld_safe_syslog.cnf.
#
# Here you can see queries with especially long duration
log_slow_queries = /var/log/mysql/mysql-slow.log
long_query_time = 3
#log-queries-not-using-indexes
#
# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
# other settings you may need to change.
#server-id = 1
#log_bin = /var/log/mysql/mysql-bin.log
expire_logs_days = 10
max_binlog_size = 100M
#binlog_do_db = include_database_name
#binlog_ignore_db = include_database_name
#
# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
#
# * Security Features
#
# Read the manual, too, if you want chroot!
# chroot = /var/lib/mysql/
#
# For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
#
# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem
[mysqldump]
quick
quote-names
max_allowed_packet = 256M
[mysql]
#no-auto-rehash # faster start of mysql but no tab completition
[isamchk]
key_buffer = 32M
#
# * IMPORTANT: Additional settings that can override those from this file!
# The files must end with '.cnf', otherwise they'll be ignored.
#
!includedir /etc/mysql/conf.d/
Память: 8 GB
Процессор: 2 ядра
Дисковая система: 50 GB SSD
Два магазина на престе - основной на 1.4.11
Уникальных посетителей за сутки 600-1000
подключен мемкешед и выделено под него 2Гига оперативки
периодически возникает бешеная нагрузка на MySQL в виду большого числа запросов.
анализ кеширования базу говорит, что база закеширована плохо и только 5-10% её кеша используется.
Изучая долго интернет создал файл конфигурации для MySQL - подскажите что не так я делаю - не перемудрил ли?:
#
# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#
# For explanations see
# Для просмотра ссылки Войди
# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain "#" chars...
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock
# Here is entries for some specific programs
# The following values assume you have at least 32M ram
# This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0
[mysqld]
#
# * Basic Settings
#
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /var/tmpfs
lc-messages-dir = /usr/share/mysql
skip-external-locking
bind-address = 127.0.0.1
#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
#
# * Fine Tuning
#
key_buffer_size = 16M
key_buffer = 1024M
max_join_size = 1000000
max_allowed_packet = 256M
thread_stack = 512K
thread_cache_size = 50
#table_open_cache = 6000
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched
myisam-recover = BACKUP
#max_connections = 100
table_cache = 60000
thread_concurrency = 5
#
# * Query Cache Configuration
#
query_cache_limit = 2M
query_cache_size = 256M
table_cache = 512
sort_buffer = 8M
myisam_sort_buffer_size = 256M
tmp_table_size = 256M
max_heap_table_size = 128M
read_buffer_size = 16M
read_rnd_buffer_size = 4M
sort_buffer_size = 2M
join_buffer_size = 18M
open_files_limit = 4096
table_open_cache = 4096
max_sort_length = 512
#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# As of 5.1 you can enable the log at runtime!
#general_log_file = /var/log/mysql/mysql.log
#general_log = 1
#
# Error logging goes to syslog due to /etc/mysql/conf.d/mysqld_safe_syslog.cnf.
#
# Here you can see queries with especially long duration
log_slow_queries = /var/log/mysql/mysql-slow.log
long_query_time = 3
#log-queries-not-using-indexes
#
# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
# other settings you may need to change.
#server-id = 1
#log_bin = /var/log/mysql/mysql-bin.log
expire_logs_days = 10
max_binlog_size = 100M
#binlog_do_db = include_database_name
#binlog_ignore_db = include_database_name
#
# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
#
# * Security Features
#
# Read the manual, too, if you want chroot!
# chroot = /var/lib/mysql/
#
# For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
#
# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem
[mysqldump]
quick
quote-names
max_allowed_packet = 256M
[mysql]
#no-auto-rehash # faster start of mysql but no tab completition
[isamchk]
key_buffer = 32M
#
# * IMPORTANT: Additional settings that can override those from this file!
# The files must end with '.cnf', otherwise they'll be ignored.
#
!includedir /etc/mysql/conf.d/
Получается что кеш не используется как таковой и результат проделанной работы получается не эффективным