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® Xeon® 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…

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pfaffman (Jay Pfaffman) 17 أغسطس 2018، 4:11م 5

It’s just chance which nodes have noisy neighbors.

I think that NYC 2 may be a bit better.

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