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Performance Centreon

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  • Performance Centreon

    Hi, I have a really bad performance on my centreon server :
    load average : 6.45, 5.62, 4.42
    more than 70 mysql processus
    more than 50 apahce processus
    I am the only one connected
    I really don't see where it's coming from, help !

  • #2
    MysqlTuner give me this :
    [!!] name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
    [!!] Query cache may be disabled by default due to mutex contention.
    [!!] Query cache efficiency: 0.0% (0 cached / 701K selects)
    [!!] Joins performed without indexes: 27728
    [!!] InnoDB buffer pool / data size: 128.0M/746.2M
    [!!] Ratio InnoDB log file size / InnoDB Buffer pool size (75 %): 48.0M * 2/128.0M should be equal 25%
    [!!] InnoDB buffer pool <= 1G and Innodb_buffer_pool_instances(!=1).
    I am not an Mysql expert...

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