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排除 MySQL 技術疑難問題
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=== 錯誤 1206: 鎖的總數量超過鎖表的大小 === 訊息:錯誤代碼:1206。鎖的總數量超過鎖表的大小 當前狀態<ref>[https://dev.mysql.com/doc/refman/8.0/en/show-variables.html MySQL :: MySQL 8.0 參考手冊 :: 13.7.6.39 SHOW VARIABLES 語法]</ref>: * Keywin {{kbd | key = <nowiki>SHOW VARIABLES LIKE 'innodb_buffer_pool_size';</nowiki>}}。如果返回 {{kbd | key=8388608}},意味著 {{kbd | key=8388608}} 位元組 ≅ 8MB。 解決方案: * 增加 {{kbd | key = innodb_buffer_pool_size}} 例如 {{kbd | key =<nowiki>SET GLOBAL innodb_buffer_pool_size=402653184;</nowiki>}}(402653184 位元組 ~ 400MB。預設值是 8MB。) * 減少查詢數據的大小 進一步閱讀: * [http://stackoverflow.com/questions/5696857/how-to-change-value-for-innodb-buffer-pool-size-in-mysql-on-mac-os innodb - 如何在 Mac OS 上改變 MySQL 的 innodb_buffer_pool_size 的值? - Stack Overflow]。 * [https://dev.mysql.com/doc/refman/5.7/en/innodb-buffer-pool-resize.html MySQL :: MySQL 5.7 參考手冊 :: 14.6.3.2 配置 InnoDB 緩衝池大小]
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