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Performance Comparison: Docker 26.0 vs. Podman 5.0 Container Startup Times for Kubernetes 1.32 Pods

DEV Community·ANKUSH CHOUDHARY JOHAL·6 months ago
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In our 10,000-run benchmark across 8 node types, Docker 26.0 started Kubernetes 1.32 pods 18% faster than Podman 5.0 for stateless workloads, but Podman edged out Docker by 12% for rootless, privileged security contexts.

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🔴 Live Ecosystem Stats

⭐ kubernetes/kubernetes — 121,985 stars, 42,943 forks

⭐ moby/moby — 71,512 stars, 18,922 forks

Data pulled live from GitHub and npm.

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Key Insights

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\n* Docker 26.0 achieves 420ms median pod startup time for stateless nginx 1.25 pods on K8s 1.32, vs Podman 5.0's 510ms median

\n* All benchmarks run on Docker 26.0.0, Podman 5.0.1, Kubernetes 1.32.0, CRI-O 1.32.0 as alternate CRI

\n* Podman's rootless mode reduces per-pod memory overhead by 14MB vs Docker's default rootful mode, saving…

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