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Huge mysql memory consumption during backup

Discussion in 'Database Discussions' started by st0rm, Jul 5, 2014.

  1. st0rm

    st0rm Member

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    During backup mysql memory consumption reached above 1.3G

    executing

    yields :

    Code:
     | 11 | root    | localhost |           | Query          | 0    |                    | show processlist |
    iotop reveals that the only process that is causing heavy I/O is gzip , which is normal because it's backing up

    this backup is the legacy backup supported by the cPanel/WHM .

    hard disk is SSD , memory is 2G , processor is E3-1230 V2 3.30GHz X 4

    server load is

    Code:
    load average: 1.47, 1.63, 1.54
    i restarted mysql .. looked into host.err logfile in /var/lib/mysql .. no errors is showing ..

    backup is mainly backing up emails .. which is about 20G+ .. all text.

    site is static no databases

    /var/lib/mysql size is 75M

    why is this happening ?
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
    Staff Member

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    Hello :)

    Have you considered switching to the new backup system to see if the improvements help prevent the increased memory/CPU usage?

    Thank you.
     
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