高手優化 MySQL 配置範本：max_connections=1500、關鍵緩衝區調優實例

經驗優化 MySQL my.cnf 完整配置範本 (高併發場景)

# 連接超時建議啟用，高負載可適當減少
# connect_timeout=5
# wait_timeout=5

[mysqld]
basedir=D:/MySQL
# bind-address=ip
datadir=D:/MySQL/data
# language=D:/MySQL/share/yourlanguagedirectory
# slowquerylog
# tmpdir
# port=3306

set-variable=max_connections=1500       # 根據服務器性能調整
skip-locking
# skip-networking

set-variable=key_buffer=384M            # 索引緩衝，大內存機器可調大
set-variable=max_allowed_packet=1M
set-variable=table_cache=512            # 表快取
set-variable=sort_buffer=2M             # 排序緩衝
set-variable=record_buffer=2M           # 讀取緩衝
set-variable=thread_cache=8             # 執行緒快取
# CPU核心數*2
set-variable=thread_concurrency=8
set-variable=myisam_sort_buffer_size=64M # MyISAM排序緩衝

# connect_timeout=5
# wait_timeout=5

server-id=1

[isamchk]
set-variable=key_buffer=128M
set-variable=sort_buffer=128M
set-variable=read_buffer=2M
set-variable=write_buffer=2M

[myisamchk]
set-variable=key_buffer=128M
set-variable=sort_buffer=128M
set-variable=read_buffer=2M
set-variable=write_buffer=2M

[WinMySQLadmin]
Server=D:/mysql/bin/mysqld-nt.exe

關鍵參數調優邏輯

注意： Windows 路徑請改為實際安裝路徑。修改後重啟 MySQL 生效。監控 SHOW STATUS 与 SHOW VARIABLES 持續微調。