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MySQL online slow log query

  1. Configure online mysql Database configuration file my.cnf
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    restart mysql Centos7 Of mariadb The restart command is systemctl restart mariadb.service
  2. Installation tools pt-query-degist View the generated data sql journal
    See the installation documentation for detailed steps The attachment
  3. Use pt-query-degist
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    Common parameters since: Query start time until: Query end time limit: Specifies the display time sql How many first ( The default display is by Zhao Mou sql The total execution time is sorted from large to small 5 strip )
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    Attachment address :mysql Online slow query log documents and commands

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