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Hermes at Scale: Powering Distributed Queries with a Unified Memory Fabric

Summary: Hermes turns its MySQL analytical accelerator into a distributed system via Memcom, a shared-memory fabric with locality-aware row-group placement. MPP planning and Portal-based intermediate sharing deliver up to 11× speedups over open-source systems and 1.5× over cloud services. (summarized by gpt-5.6-luna on Aug 28 2026)

Paper ID
ha4e774bf2d296dc2
Venue
VLDB
Year
2026
Pagerank
4.9605343e-05
Overall Rank
10,981 | 26.40%
DOI
10.14778/3827998.3828009
PDF
Download (CC BY-NC-ND 4.0)

Incoming Non-self Citations Over Time

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Authors

BibTeX Citation

@article{gubner_vldb26,
        title = {{Hermes at Scale: Powering Distributed Queries with a Unified Memory Fabric}},
        author = {Gubner, Tim and Nerone, Matheus and Tome, Diego and Oliveira, Vitor and Humborstad, Rune and Lu, Manyi},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {12},
        pages = {3969--3981},
        doi = {10.14778/3827998.3828009},
        url = {https://doi.org/10.14778/3827998.3828009},
        year = {2026}
}

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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
14 MonetDB/X100: Hyper-Pipelining Query Execution 2005 CIDR 0.00063972112
15 How Good Are Query Optimizers, Really? 2016 VLDB 0.00061463175
23 Spark SQL: Relational Data Processing in Spark 2015 SIGMOD 0.00055523999
48 Weaving Relations for Cache Performance 2001 VLDB 0.00043770511
52 The Snowflake Elastic Data Warehouse 2016 SIGMOD 0.00041439488
93 Encapsulation of Parallelism in the Volcano Query Processing System 1990 SIGMOD 0.00034518001
215 Morsel-Driven Parallelism: A NUMA-Aware Query Evaluation Framework for the Many-Core Age 2014 SIGMOD 0.00024554257
232 TiDB: A Raft-based HTAP Database 2020 VLDB 0.00023776373
375 Umbra: A Disk-Based System with In-Memory Performance 2020 CIDR 0.00019660459
651 Amazon Redshift Re-invented 2022 SIGMOD 0.00015126716
768 Cooperative Scans: Dynamic Bandwidth Sharing in a DBMS 2007 VLDB 0.00014096379
1,415 Velox: Meta's Unified Execution Engine 2022 VLDB 0.00010707308
1,488 Photon: A Fast Query Engine for Lakehouse Systems 2022 SIGMOD 0.00010487094
3,303 Cloud Analytics Benchmark 2023 VLDB 7.4212268e-05
3,847 Presto: A Decade of SQL Analytics at Meta 2023 SIGMOD 6.9668258e-05
5,192 PolarDB-IMCI: A Cloud-Native HTAP Database System at Alibaba 2023 SIGMOD 6.2209024e-05
5,833 VectorH: Taking SQL-on-Hadoop to the Next Level 2016 SIGMOD 5.9622515e-05
6,903 Modernization of Databases in the Cloud Era: Building Databases that Run like Legos 2023 VLDB 5.6363403e-05
11,440 Freely Moving Between the OLTP and OLAP Worlds: Hermes – an High-Performance OLAP Accelerator for MySQL 2025 VLDB 4.9605343e-05
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