MySQL 5.6 性能优化配置:4Gi 物理内存参考指南
以下是一个基于 4Gi 物理内存的 MySQL 5.6 参考配置,您可以根据实际情况进行调整:
[mysqld]
# 基本设置
port = 3306
socket = '/var/run/mysqld/mysqld.sock'
pid-file = '/var/run/mysqld/mysqld.pid'
basedır = '/usr'
datadir = '/var/lib/mysql'
log-error = '/var/log/mysql/error.log'
# InnoDB 存储引擎设置
innodb_buffer_pool_size = 2G
innodb_log_file_size = 512M
innodb_flush_log_at_trx_commit = 1
innodb_file_per_table = 1
innodb_flush_method = 'O_DIRECT'
# 查询缓存设置
query_cache_type = 1
query_cache_size = 64M
query_cache_limit = 2M
# 连接设置
max_connections = 1000
max_connect_errors = 10000
wait_timeout = 600
interactive_timeout = 600
# 索引设置
key_buffer_size = 256M
# 日志设置
slow_query_log = 1
slow_query_log_file = '/var/log/mysql/slow.log'
long_query_time = 2
# 其他设置
tmp_table_size = 64M
max_heap_table_size = 64M
join_buffer_size = 1M
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 4M
table_open_cache = 2000
请注意,这只是一个参考配置。实际配置需要根据您的服务器硬件和软件配置进行调整,以达到最优的性能。
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