https://www.softaculous.com/board/index.php?tid=14729 https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44272
Have a look here (beginning with slide 27) for a good comparison:
https://www.slideshare.net/pradeepkumarsuvce/qemu-disk-io-which-performs-better-native-or-threads
]]> Fri, 30 Nov 2018 14:25:43 GMT https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44272 https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44257
- Use virtio optimized IO performance
If you are using CentOS 7, then you will also be able to limit VPS disk I/O speed

]]> Fri, 30 Nov 2018 00:30:30 GMT https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44257 https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44251 http://www.ilsistemista.net/index.php/virtualization/11-kvm-io-slowness-on-rhel-6.html?start=7

which not recommend default , write-through

so there are 3 options: none, write back, direct sync,

which one should i use ?  ]]> Thu, 29 Nov 2018 15:05:32 GMT https://www.softaculous.com/board/index.php?tid=14729&tpg=1#p44251 https://www.softaculous.com/board/index.php?tid=14729&tpg=0#p44250
for a 1TB vps cpanel/plesk hosting which cache do you recommend ?

Regards,]]> Thu, 29 Nov 2018 14:26:11 GMT https://www.softaculous.com/board/index.php?tid=14729&tpg=0#p44250