facebookresearch / facebookresearch/dlrm

DLRM: Inconsistent Network Responses

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Description

# What did I do?

During a network analysis of Facebook's infrastructure...

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## Specifically, `edge-star-mini-shv-03-mia3.facebook.com`

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### Noted, several inconsistent network behaviors.

**These issues impact reliability of services, such as DLRM**

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#### Initial debugging of `static.xx.fbcdn.net`

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```rb
25207 83.041548047 100.115.92.202 31.13.67.20 TCP 54 50450 → 443 [RST] Seq=1558 Win=0 Len=0
```

# Expected behavior: The TCP connection should terminate gracefully, without abrupt `RST` flags.

## What happened:

Multiple Errors when running.

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