Span ingestion is degraded in US

Final update

Spans ingestion is now operating normally.

1. Resolved · Sep 1, 20:29 UTC
   Spans ingestion is now operating normally.
2. Monitoring · Sep 1, 19:31 UTC
   Latency is almost fully recovered.
3. Monitoring · Sep 1, 18:30 UTC
   A fix has been implemented, and latency is coming down.
4. Investigating · Sep 1, 17:50 UTC
   We are continuing to investigate an issue that affects spans ingestion latency
5. Investigating · Sep 1, 16:41 UTC
   We are continuing to investigate an issue that affects spans ingestion latency
6. Investigating · Sep 1, 15:40 UTC
   We are continuing to investigate an issue that affects spans ingestion latency
7. Investigating · Sep 1, 14:16 UTC
   We are experiencing slow ingestion for spans in US