在线安全清空慢查询日志slow.log

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1	set global slow_ query_ log=0;

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1	show variables like '%slow_query%';

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1	set global slow_query.log_file= '/app/data01/mysql/db/slow.log';

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1	set global slow_ query_ log=1;

 

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1	show variables like '%slow_query%';