DO Block Storage Volume is 6x slower than AWS EBS volume

Posted January 4, 2020 1.9k views
Block StorageStorage

Part of our workflow involves doing a rsync several times a day from one folder to another on the same volume, usually with not many changes.

We’ve recently moved to DigitalOcean from AWS, and this has been a pain point as what used to take about 20 seconds now takes 2-3 minutes.

We haven’t shut down our old AWS server yet, so I ran the rsync command on both to compare, to get as close as possible to an apples-to-apples comparison. (DO $15 server with 3 cores, vs AWS 4-core) Both are formatted with XFS. Both were comparing about 650Mb of files, of which only 500Kb were changed.

5,318,746.05 bytes/sec = 121.041s

31,383,446.83 bytes/sec = 20.047s

The droplet graphs during that 2 mins shows low cpu, memory usage and disk i/o, so maybe the graph only shows the disk i/o for the built-in disk?

This page says volumes on standard droplets should get around 200MB/s, and burst up to 300MB/s


1) What speeds should we expect for working on volumes? 5-6 MB/s is a big difference to 200-300 MB/s!

2) What impacts Volume speed?

3) Are there plans to show graphs for the Block Storage Volumes? (Or if the current graph includes it why didn’t my rsync show?)

edited by bobbyiliev

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Changing to ext4 has brought the speed from 120s down to 40s - that’s still double what we had on AWS EBS though :-(