I have two instances of Discourse, both on their own droplets at DigitalOcean. The droplets are both running Ubuntu 18.04 with 1 vCPU and 1GB of memory and configured similarly. The instances are very similar in configuration as well (themes and plugins). Both appear to be on the same CPU type. I d…

There are more than a dozen of reasons as to why this might be happening. Prime Suspects: CPU Cluster load (This is the load that the overall package is having not just your instance. No matter how good isolation a virtualization may offer, A CPU that is being hit with simultaneous load on cores…

Both instances are in NYC3. /proc/cpuinfo lists Intel(R) Xeon(R) CPU E5-2650L v3 @ 1.80GHz for both instances.

I can only recommend contacting DO about the slower node for terrible performance then.

Quick update. To speed up comparison and testing of performance, I used sysbench to compare droplets. The command I ran is below. On my fast droplet, I was seeing 250 events/second. On the slow droplet, I was seeing 50 events/second. That fits with the differences in rebuild times as well. sysbench…

Slow rebuild on a cloud server?

Support

pfaffman (Jay Pfaffman) August 17, 2018, 4:11pm 5

It’s just chance which nodes have noisy neighbors.

I think that NYC 2 may be a bit better.

Topic		Replies	Views
How much is Discourse affected by a faster CPU? Self-hosting hosting	42	22369	December 24, 2019
Digital Ocean "High CPU" droplets Self-hosting hosting	4	2981	June 13, 2017
Slow Discourse Rebuild on a VM with slow disks Self-hosting	7	1128	February 12, 2021
Performance on new DigitalOcean Premium droplets Self-hosting hosting	4	5201	February 25, 2021
Troubleshooting a slow site that was pretty zippy until this morning Support performance	16	419	October 13, 2024

Slow rebuild on a cloud server?

Related topics