How can we improve?

Option/support to use memory, instead of disk; for anti-spam, Cfilter, and WorldClient

Under heavy volume (especially a 50% spam rate), CFilter and MSpamD's normal behavior may slow down drive access. Also, WebDaemon becomes erratic and unusable during periods of high volume: this partly from the fact it too uses the HDD for temporary files. The only option to alleviate any of this involves use of a RAMdrive: which I am currently testing, but pretty sure most admins would be uncomfortable with. Whatever can be done in memory, that would not compromise operations; should be supported by default. This would also help SSD users avoid unnecessary drive writes as well: since files/data that don't need to be permanently saved, wouldn't be written on those devices.

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Michael Adams - EZRAC shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

Hello Michael,

Thank you for sharing your idea with us. Without knowing more about your setup I can’t say for sure but you may be able to improve performance by altering your configurations and/or optimizing the hardware that MDaemon uses. MDaemon is very I/O intensive but solid state drives are usually only necessary in very large installations. We have some recommended hardware specifications available by user size at Alternatively our technical support team would be happy to try to help optimize your server. If you are interested you can find all of our support options at With all of that being said, thank you for your suggestion to optimize the message processing by making better use of the available RAM. We will consider this for future versions of MDaemon.



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  • Totoche commented  ·   ·  Flag as inappropriate

    Mklink use the command to redirect certain folder on other disks (SAS or SSD)

  • Gonçalo Caeiro commented  ·   ·  Flag as inappropriate

    I completely second Micheal. For a long time I moved for Ramdisk.
    If you have statistics enable then Mdaemon becomes unusable. I'm running in ESXi 5.1 in a brand HP 380 Gen 8, dual socket, 192GB. The VM itself has 4 cores to it.
    The problem with the RamDisk drive is that is from a small company and across reboots it may require manual startup.
    By the way, we have SSD for 2 years now also.

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