# Maximum size for internal (in-memory) temporary tables. If a table # grows larger than this value, it is automatically converted to disk # based table This limitation is for a single table. There can be many # of them. #单表大小 tmp_table_size=35M #只能大于上面(临时表大小) max_heap_table_size=35M #执行sql语句大小 max_allowed_packet=50M
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