修改mysql5.7的錯誤日誌級別

mysql5.7,啓用基於logical_clock的多線程複製,發現error日誌增加很快，查看日誌發現大量關於多線程複製的Note級別日誌。html   2018-07-03T03:22:01.638371+08:00 8941 [Note] Multi-threaded slave statistics for channel '': seconds elapsed = 298; event

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