Why We Created Yet Another Memory Framework: Understanding MGA’s Role in Next-Gen Database Systems

Summary: Introduces Managed Global Area (MGA), a dynamically scoped shared-memory abstraction balancing process isolation with controlled sharing and avoiding copying/fragmentation. Integrated into Oracle, it cuts TPC-H latency 35% and ONNX model memory 90%. (summarized by gpt-5.6-luna on Aug 28 2026)

Paper ID: hc5e1e67ea6ce9d32
Venue: VLDB
Year: 2026
Pagerank: 4.9793485e-05
Overall Rank: 10,946 | 26.41%
DOI: 10.14778/3827998.3828042

Incoming Non-self Citations Over Time

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Authors

1. Vikramraj Sitpal (Oracle)
2. Pei Li (Oracle)
3. Shubham Kumar (Oracle)
4. Somansh Reddy Satish (Oracle)
5. Ravi Thammaiah (Oracle)
6. Nagarajan Muthukrishnan (Oracle)

BibTeX Citation

@article{sitpal_vldb26,
        title = {{Why We Created Yet Another Memory Framework: Understanding MGA’s Role in Next-Gen Database Systems}},
        author = {Sitpal, Vikramraj and Li, Pei and Kumar, Shubham and Satish, Somansh Reddy and Thammaiah, Ravi and Muthukrishnan, Nagarajan},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {12},
        pages = {4413--4425},
        doi = {10.14778/3827998.3828042},
        url = {https://doi.org/10.14778/3827998.3828042},
        year = {2026}
}

Incoming Citations (Sorted by Pagerank)

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Rank	Citing Paper	Year	Venue	Pagerank

Outgoing Citations (Sorted by Pagerank)

Showing 15 of 15 cited papers.

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

Rank	Cited Paper	Year	Venue	Pagerank
21	Efficiently Compiling Efficient Query Plans for Modern Hardware	2011	VLDB	0.00056855599
71	DuckDB: an Embeddable Analytical Database	2019	SIGMOD	0.00037720227
251	Multi-Core, Main-Memory Joins: Sort vs. Hash Revisited	2014	VLDB	0.00023143736
1,659	SQL Memory Management in Oracle9i	2002	VLDB	9.9624689e-05
2,084	An Architecture for Recycling Intermediates in a Column-store	2009	SIGMOD	9.0716512e-05
4,201	The Case for Distributed Shared-Memory Databases with RDMA-Enabled Memory Disaggregation	2023	VLDB	6.7375318e-05
4,243	The Art of Latency Hiding in Modern Database Engines	2024	VLDB	6.7069789e-05
4,440	Memory Management Techniques for Large-Scale Persistent-Main-Memory Systems	2017	VLDB	6.5995676e-05
4,685	Enabling Low Tail Latency on Multicore Key-Value Stores	2020	VLDB	6.4713469e-05
5,639	Revisiting Reuse in Main Memory Database Systems	2017	SIGMOD	6.0558642e-05
6,257	COD: Database / Operating System Co-Design	2013	CIDR	5.8334552e-05
8,571	Practical DB-OS Co-Design with Privileged Kernel Bypass	2025	SIGMOD	5.3127636e-05
9,792	Hash Joins Meet CXL: A Fresh Look	2026	CIDR	5.1257999e-05
9,793	Declarative Memory Services	2026	CIDR	5.1257999e-05
9,803	ScaleCache: Scalable and Production-grade Buffer Management for Disk-based Database Systems	2025	VLDB	5.1257999e-05

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