{"schema_version":"onlylabs.public_signal.v1","title":"OpenAI Writing: Scaling Kubernetes to 2,500 nodes","description":"OpenAI writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/c431327d-6735-45b3-968e-971e4c7eeec4","json_url":"https://onlylabs.fyi/signals/c431327d-6735-45b3-968e-971e4c7eeec4/signal.json","generated_at":"2026-06-08T15:47:06.789+00:00","org":{"slug":"openai","name":"OpenAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/openai","dossier_json_url":"https://onlylabs.fyi/labs/openai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/c431327d-6735-45b3-968e-971e4c7eeec4","signal_json":"https://onlylabs.fyi/signals/c431327d-6735-45b3-968e-971e4c7eeec4/signal.json","source":"https://openai.com/index/scaling-kubernetes-to-2500-nodes","lab_dossier":"https://onlylabs.fyi/labs/openai","lab_dossier_json":"https://onlylabs.fyi/labs/openai/dossier.json","analysis":"https://onlylabs.fyi/analysis/openai","analysis_json":"https://onlylabs.fyi/analysis/openai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/openai/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}]}},"answer_pack":{"answer":"OpenAI published Scaling Kubernetes to 2,500 nodes. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Scaling Kubernetes to 2,500 nodes | OpenAI January 18, 2018 Scaling Kubernetes to 2,500 nodes Loading… Share We’ve been running⁠ Kubernetes⁠ for deep learning research.... onlylabs links this event to 1 captured evidence page and 6 related writing signals. It also maps to Infrastructure in the data-business radar.","signal_desk":"talking","source_context":{"source_url":"https://openai.com/index/scaling-kubernetes-to-2500-nodes","source_host":"openai.com","occurred_at":"2018-01-18T08:00:00+00:00","first_seen_at":"2026-06-05T05:42:57.832854+00:00","date_source":"rss.item_date","context":null},"context_markers":[{"label":"Lab","value":"OpenAI","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"openai.com","source":"source"},{"label":"Radar lane","value":"Infrastructure","source":"radar"},{"label":"Matched term","value":"scaling","source":"radar"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and 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frontier lab strategy and data-business implications."},"semantic_triples":[{"subject":"OpenAI","predicate":"published","object":"Scaling Kubernetes to 2,500 nodes","text":"OpenAI published Scaling Kubernetes to 2,500 nodes."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"is classified as","object":"writing signal","text":"Scaling Kubernetes to 2,500 nodes is classified as writing signal."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"belongs to","object":"talking desk","text":"Scaling Kubernetes to 2,500 nodes belongs to talking desk."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Scaling Kubernetes to 2,500 nodes has evidence coverage 1 captured evidence page."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"matches data-business lanes","object":"Infrastructure","text":"Scaling Kubernetes to 2,500 nodes matches data-business lanes 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attention.."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has source host","object":"openai.com","text":"Scaling Kubernetes to 2,500 nodes has source host openai.com."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has lab","object":"OpenAI","text":"Scaling Kubernetes to 2,500 nodes has lab OpenAI."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has signal desk","object":"talking","text":"Scaling Kubernetes to 2,500 nodes has signal desk talking."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has source host","object":"openai.com","text":"Scaling Kubernetes to 2,500 nodes has source host openai.com."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has radar lane","object":"Infrastructure","text":"Scaling Kubernetes to 2,500 nodes has radar lane Infrastructure."},{"subject":"Scaling Kubernetes to 2,500 nodes","predicate":"has matched term","object":"scaling","text":"Scaling Kubernetes to 2,500 nodes has matched term 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This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Scaling Kubernetes to 2,500 nodes | OpenAI January 18, 2018 Scaling Kubernetes to 2,500 nodes Loading… Share We’ve been running⁠ Kubernetes⁠ for deep learning research.... onlylabs links this event to 1 captured evidence page and 6 related writing signals. 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While our largest-scale workloads manage bare cloud VMs directly, Kubernetes provides a fast iteration cycle, reasonable scalability, and a lack of boilerplate which makes it ideal for most of our experiments. We now operate several Kubernetes clusters (some in the cloud and some on physical hardware), the largest of which we’ve pushed to over 2,500 nodes. This cluster runs in Azure on a combination of D15v2 and NC24 VMs. On the path to this scale, many system components caused breakages, including etcd, the Kube masters, Docker image pulls, network, KubeDNS, and even our machines’ ARP caches. We felt it’d be helpful to share the specific issues we ran into, and how we solved them. etcd After passing 500 nodes in our cluster, our researchers started reporting regular timeouts from the kubectl⁠ command line tool. We tried adding more Kube masters (VMs running kube-apiserver⁠). 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