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FlatStor: An Efficient Embedded-Index Based Columnar Data Layout for Multimodal Data Workloads

Summary: FlatStor is a FlatBuffers-based columnar layout with embedded indexes, vertically partitioning multimodal fields as byte streams and applying FSST compression. It enables fast point access and cuts inference latency/storage overhead by 99.6%/91.3% versus Parquet, outperforming LanceV2 by 41.3%. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
14442
Venue
VLDB
Year
2026
Pagerank
5.093636e-05
Overall Rank
10,509 | 27.90%
DOI
10.14778/3772181.3772182

Incoming Non-self Citations Over Time

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Authors

BibTeX Citation

@article{zhang_vldb26,
        title = {{FlatStor: An Efficient Embedded-Index Based Columnar Data Layout for Multimodal Data Workloads}},
        author = {Zhang, Chi and Zhang, Shihao and Gu, Yunfei and Wu, Chentao and Li, Jie and Zhang, Qin and Chen, Xusheng and Meng, Jie},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {1},
        pages = {1--14},
        doi = {10.14778/3772181.3772182},
        url = {https://doi.org/10.14778/3772181.3772182},
        year = {2026}
}

Incoming Citations (Sorted by Pagerank)

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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
49 Weaving Relations for Cache Performance 2001 VLDB 0.00043781096
60 Integrating Compression and Execution in Column-Oriented Database Systems 2006 SIGMOD 0.0003955489
66 The Snowflake Elastic Data Warehouse 2016 SIGMOD 0.00038561587
73 Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases 2017 SIGMOD 0.00037333356
115 A Decomposition Storage Model 1985 SIGMOD 0.00032338948
237 Amazon Redshift and the Case for Simpler Data Warehouses 2015 SIGMOD 0.0002369895
345 Column-Stores vs. Row-Stores: How Different Are They Really? 2008 SIGMOD 0.00020656723
818 Amazon Redshift Re-invented 2022 SIGMOD 0.00013822916
1,367 H2O: A Hands-free Adaptive Store 2014 SIGMOD 0.00011014419
1,395 Column-oriented Database Systems 2009 VLDB 0.00010928358
1,453 Dremel: A Decade of Interactive SQL Analysis at Web Scale 2020 VLDB 0.00010742227
1,494 Procella: Unifying serving and analytical data at YouTube 2019 VLDB 0.00010577585
2,018 tf.data: A Machine Learning Data Processing Framework 2021 VLDB 9.3001937e-05
2,788 BtrBlocks: Efficient Columnar Compression for Data Lakes 2023 SIGMOD 8.1205155e-05
3,585 The evolution of Amazon Redshift (extended abstract) 2021 VLDB 7.2840127e-05
3,877 An Empirical Evaluation of Columnar Storage Formats 2024 VLDB 7.0532293e-05
4,017 Napa: Powering Scalable Data Warehousing with Robust Query Performance at Google 2021 VLDB 6.9525581e-05
5,037 A Deep Dive into Common Open Formats for Analytical DBMSs 2023 VLDB 6.3914026e-05
6,047 Column Stores For Wide and Sparse Data 2007 CIDR 5.9952702e-05
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