{"type":"post","id":"overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc","slug":"overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc","title":"Overhauling DoorDash’s Runtime Configuration Value Distribution with SquashFS Engineering Experimentation and Testing","description":"DoorDash replaced eager extraction of runtime-configuration archives on Kubernetes nodes with mounted SquashFS images.","retrieval_nugget":"DoorDash replaced eager extraction of runtime-configuration archives on Kubernetes nodes with mounted SquashFS images. The company says the change cut a major distribution bottleneck by more than 100 times and reduced average EBS IOPS per node by more than five times, while preserving file-based reads for services.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["api-design"],"entities":["DoorDash","SquashFS","Kubernetes","Amazon S3","Amazon EBS","Amazon EC2"],"related_patterns":["agent-ready-software-exposes-capabilities"],"novelty_label":"new_fact","what_changed":"A distinct DoorDash infrastructure case study details SquashFS-based runtime config distribution, cutting a bottleneck’s latency by over 100-fold and average node EBS IOPS by more than fivefold.","prior_refs":["memory:c186961c-23ab-8239-ad73-53af3f40671d","memory:7e7967a1-df34-8967-a5a9-6ca20b1fc93d"],"source_url":"https://careersatdoordash.com/blog/overhauling-doordashs-runtime-configuration-value-distribution-with-squashfs","source_urls":["https://careersatdoordash.com/blog/overhauling-doordashs-runtime-configuration-value-distribution-with-squashfs"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc/","markdown":"https://newruntime.com/posts/overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc.md","json":"https://newruntime.com/posts/overhauling-doordash-s-runtime-configuration-value-distribution-with-780ebc.json"},"next_reads":[{"type":"topic","path":"/topics/api-design/","url":"https://newruntime.com/topics/api-design/","title":"Api Design","reason":"Explore the api-design topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/api-design.md","json_url":"https://newruntime.com/topics/api-design.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}