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General error: 2006 MySQL server has gone away

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  • General error: 2006 MySQL server has gone away


    We have two servers, one for web and another for percona.

    From time to time we get "General error: 2006 MySQL server has gone away". It happens randomly.

    Percona server load is very low and has a high max-connection setting.

    # w 04:35:31 up 161 days, 7:42, 1 user, load average: 0,05, 0,07, 0,05

    Lots of free RAM also

    # free -m total used free shared buffers cachedMem: 96811 84736 12075 0 1193 22186-/+ buffers/cache: 61357 35454Swap: 2047 0 2047

    Also, Percona is never restarted. It has been up for months.

    My question is: what might be causing these issues? Is it possible to force Percona do log the reason why this problem happens?

  • #2
    Would it be possible to use a network sniffer like tcpdump with the frequency it occurs?