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We found out that XFS Block Storage Volume performance is quite low compared to the regular ext4 SSD disk bundled with droplets.
This is the hdparm result on a XFS Block Storage Volume:
root@db1:~# hdparm -Tt /dev/sda
/dev/sda: Timing cached reads: 16970 MB in 1.99 seconds = 8514.97 MB/sec Timing buffered disk reads: 532 MB in 3.00 seconds = 177.28 MB/sec
This is instead the hdparm result of bunlded SSD:
root@db1:~# hdparm -Tt /dev/vda1
/dev/vda1: Timing cached reads: 16458 MB in 1.99 seconds = 8257.90 MB/sec Timing buffered disk reads: 2798 MB in 3.00 seconds = 932.35 MB/sec
We’ve done those tests after we saw that some stress-test on API/DBs are running with low performance compared to other cloud providers.
Since we want to install and use a medium-sized MongoDB database (~25GB), XFS is a requirement, but putting MongoDB data on Block Storage is causing low performance compared to droplet’s bundled SSD disks.
We really love DO services but we also need to have fast SSD + XFS + MongoDB. What can you suggest to avoid that low performance?
WildcatMedia
jeffs
0621335d663b4b699a60eb27e28153
accesstrax
Dwight Trumbower
admin
yimprogramming
samunyi90
1d6ce141ab5444dfb1ea2dd29cf4b1
Matt Fricker
joel9b158e40551b15093f213f