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 50 of 104 citing papers.
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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