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Grab's data platform team implemented Docker image lazy loading using eStargz and SOCI technologies to reduce container startup times for Airflow and Spark Connect.
•Traditional container startup requires fully downloading and unpacking all image layers before launch, causing slow cold starts for large images
•eStargz enables lazy loading by individually compressing files and providing a TOC (stargz.index.json) for random access via a FUSE-backed virtual filesystem
•SOCI maintains separate indexes and matches standard image application startup time (5.0s for Airflow), while eStargz added 25.0s startup overhead
•Production deployment achieved 30-40% faster P95 startup times for both Airflow and Spark Connect, improving auto-scaling responsiveness
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Tuning SOCI config (max_concurrent_downloads to 10, chunk size to 16MB) cut fresh-node image download time from 60s to 24s, a 60% improvement
This summary was automatically generated by AI based on the original article and may not be fully accurate.
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