Umbra: A Disk-Based System with In-Memory Performance
Summary: Umbra adapts HyPer into an SSD-backed DB that delivers in-memory performance for the cached working set while scaling to SSD storage. Key innovation: a low‑overhead buffer manager with variable-size pages and memory‑optimized techniques to handle uncached data gracefully. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Thomas Neumann (Technical University of Munich)
- 2. Michael Freitag (Technical University of Munich)
BibTeX Citation
@inproceedings{neumann_cidr20,
address = {Amsterdam, Netherlands},
series = {{CIDR} '20},
title = {{Umbra: A Disk-Based System with In-Memory Performance}},
booktitle = {Proceedings of the {Conference} on {Innovative} {Data} {Systems} {Research}},
author = {Neumann, Thomas and Freitag, Michael},
year = {2020}
}Incoming Citations (Sorted by Pagerank)
Showing 4 of 104 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 11,453 | Asymptotically Better Query Optimization Using Indexed Algebra | 2023 | VLDB | 5.093636e-05 |
| 11,468 | Big Data Analytic Toolkit: A general-purpose, modular, and heterogeneous acceleration toolkit for data analytical engines | 2023 | VLDB | 5.093636e-05 |
| 11,613 | Budget-Conscious Fine-Grained Configuration Optimization for Spatio-Temporal Applications | 2022 | VLDB | 5.093636e-05 |
| 13,336 | UmbraPerf - Profiling Results Tailored for DBMS Developers | 2025 | VLDB | - |
Outgoing Citations (Sorted by Pagerank)
Showing 10 of 10 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 18 | How Good Are Query Optimizers, Really? | 2016 | VLDB | 0.00059284255 |
| 23 | Efficiently Compiling Efficient Query Plans for Modern Hardware | 2011 | VLDB | 0.00054886415 |
| 38 | Hekaton: SQL Server’s Memory-Optimized OLTP Engine | 2013 | SIGMOD | 0.00047648573 |
| 49 | Weaving Relations for Cache Performance | 2001 | VLDB | 0.00043781096 |
| 157 | OLTP Through the Looking Glass, and What We Found There | 2008 | SIGMOD | 0.0002863588 |
| 241 | Morsel-Driven Parallelism: A NUMA-Aware Query Evaluation Framework for the Many-Core Age | 2014 | SIGMOD | 0.00023654664 |
| 941 | Data Blocks: Hybrid OLTP and OLAP on Compressed Storage using both Vectorization and Compilation | 2016 | SIGMOD | 0.00013078348 |
| 3,215 | Every Row Counts: Combining Sketches and Sampling for Accurate Group-By Result Estimates | 2019 | CIDR | 7.6324234e-05 |
| 4,800 | Scalable Reservoir Sampling on Many-Core CPUs | 2019 | SIGMOD | 6.502434e-05 |
| 4,947 | The ADABAS Buffer Pool Manager | 1998 | VLDB | 6.4316891e-05 |
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