🌌 IPFS Measurement Report - 2023 Week 41 - 2023-10-16

Testing & Experiments Measurements
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We have created a new IPFS measurement report for calendar week 38 in 2023 from 2023-10-09 to 2023-10-16. You can find it here:

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Some observations from the report and the results at probelab.io:

  • Around 7k nodes left the network from Friday to Saturday. Also clearly seen at: IPFS DHT | ProbeLab
    – Most of them seem to have been Kubo 0.18 nodes
    – @dennis-tra how come we do not see the decline in the number of DHT Server nodes at: IPFS DHT | ProbeLab? That’s weird, no?
  • The Median DHT Lookup Performance over time is going back down after the quick bump in the last couple of weeks: IPFS DHT | ProbeLab
  • On the contrary the Median DHT Publish Performance over time is going back up after a performance increase the last couple of weeks: IPFS DHT | ProbeLab
  • Not sure we have clear explanation about any of these two events @dennis-tra ?
  • There’s a decline in the number of “Uncategorised” nodes in the DHT Server Availability, classified by region plot: IPFS DHT | ProbeLab. Probably now showing under “North America”?
  • About 8k nodes moved from “Online” to “Mostly Online” in the DHT Server Availability, classified over time plot at: IPFS DHT | ProbeLab. I’m wondering if they’ll get back to “Online” eventually.
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Because the graph on probelab.io shows the number of unique server peer IDs over the course of one week. Because these 7k peers left within the last week I expect a decline of ~15% next week.

Yeah… my suspicion is that it’s due to a redeployment although I can’t explain the dynamic here. Could it have something to do with a cold vs. warm routing table? I would have expected that this effect would go away after a few hours and wouldn’t last a few days. I’ll check the data later :+1:

The improvement in publication performance also coincides with the redeployment. The decrease in performance coincides with the 7k peers leaving the network. If it’s just correlation or already causation I don’t know at the moment.

This is due to the 7k peers that have left the network. They left the network from Friday to Saturday night, so they were online for ~5/7 → ~71% of the week. Due to our classification that peers with 40% to 80% availability are “mostly online”, these 7k peers that have left the network fall into this category.

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