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Lu Qiu

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titleconferencedate
Empowering PySpark with Lance Format for Multi-Modal AI Data PipelinesPyData Global 20242024-12-03
Claim: PySpark writes directly to Lance format using the Python Data Source API and Arrow so transformed data lands as Lance fragments without intermediate…
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Data Caching for Enterprise-Grade Petabyte-Scale OLAPUSENIX ATC 20242024-07-10
Alluxio local cache embeds on-node SSDs and a page store to serve reads for Presto and HDFS, cutting network I/O and API calls. Deployed at Uber and Meta for…
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Advanced CSI-FUSE Filesystem for AI/ML Data Management in KubernetesData on Kubernetes Day Europe 20242024-03-19
Compares two concrete approaches: CSI-FUSE (mounts cloud object stores as local filesystems) and an etcd-backed FSB (a lightweight Python filesystem API…
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Maximize GPU Utilization for Model TrainingPyData Global 20232023-12-06
Uses PyTorch + Alluxio + S3 to build a distributed caching layer colocated with Kubernetes training clusters, implements consistent-hash affinity caching and…
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Overcoming I/O Bottlenecks in LLM Training with Open-Source Distributed...Open AI + Data Forum @ Open Source Summit Europe 20232023-09-19
Alluxio implements a hierarchical distributed cache (kernel page cache → local disk pages → remote cache cluster) to cut repeated cloud reads, lower metadata…
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Overcoming I/O Bottlenecks in LLM Training with Open-Source Distributed CachingOpen Source Summit Europe 20232023-09-19
An open-source distributed caching layer (Alluxio) is presented that sits between object/HDFS storage and training nodes, using hierarchical cache: memory →…
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How to Eliminate the I/O Bottleneck and Continuously Feed the GPU While Training in the...Open AI + Data Forum @ Open Source Summit North America 20232023-05-10
Describes Alluxio’s new Dora decentralized repo sitting between compute and cloud storage, built as worker + server-registry + client with no single point of…
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How to Eliminate the I-O Bottleneck & Continuously Feed the GPU While Training in the CloudPyData Global 20222022-12-01
Claim: a caching layer called Alessio mounts S3 Azure and HDFS and streams data so GPUs never wait. Implementation uses the POSIX-like process API to load and…
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Alluxio Data Orchestration for Machine LearningApacheCon@Home 20212021-09-21
Alluxio adds a POSIX layer with a JNI-based FUSE implementation, a distributed caching layer and a distributedLoad job to prefetch datasets; engineers optimize…
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