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1 年
使用DROP TABLE IF EXISTS 指定子表语句删除大量子表时效率极低 #28384
机器配置为 3台 4核 4G内存 主机组成的集群,系统为 Ubuntu 24.04 LTS 有14个超级表,7w左右子表,数据量大约两亿条,当使用DROP TABLE IF EXISTS语句删除大量表时,效率特别慢,删除7W张表大约跑了30分钟左右仍然没有执行完成,后来只能通过删除超级表整个清空来实现 ...
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