Hi Rajesh (and others),

I just implemented ramdisk for simscan on my business server. Haven't put the entry in the /etc/fstab file yet but did it on the command line for testing. Here's my procedure:

1) # qmailctl stop

2) # mount -t tmpfs -o size=1024m,nodev,noexec,noatime,uid=46,gid=0,mode=0750 myramdisk /var/qmail/simscan

3) # qmailctl start

4) # [root@~]# df -h /var/qmail/simscan
        Filesystem      Size  Used Avail Use% Mounted on
        myramdisk       1.0G     0  1.0G   0% /var/qmail/simscan

Of course you may set 'size=' to an amount appropriate for you. I did find write performance quit a bit better in my testing and read performance better but not by a whole lot.


On 9/19/2017 8:42 AM, Rajesh M wrote:
hi all,

has anyone tried putting the

/var/qmail/simscan folder on ramdisk

how do i do it incase of centos 6

i was checking out this page and found that it significantly increases 

if anyone has done it could you please share the details of how to do it and 
the performance improvement.


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