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PS2: Parameter Server on Spark

Summary: PS2 deploys a parameter server on Spark, preserving Spark for data processing while offloading models, without hacking Spark core. DCV enables locality-aware, element-wise multi-vector ops, delivering up to 55.6x Spark MLlib and 3.7x Petuum. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
5650
Venue
SIGMOD
Year
2019
Pagerank
5.7965988e-05
Overall Rank
4,964 | 65.47%
DOI
10.1145/3299869.3314038

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