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Crystal: A Unified Cache Storage System for Analytical Databases

Summary: Crystal is a co-located, smart cache storage system that unifies analytical caching across DBMSs via data-source connectors and push-down predicates, caching single-table regions (hyper-rectangles). Unmodified Spark and Greenplum see substantially lower latency and reduced remote bandwidth. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
hcd7cc371c7c8a143
Venue
VLDB
Year
2021
Pagerank
6.2142008e-05
Overall Rank
5,210 | 65.08%
DOI
10.14778/3476249.3476292
PDF
Download (CC BY-NC-ND 4.0)

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{durner_vldb21,
        title = {{Crystal: A Unified Cache Storage System for Analytical Databases}},
        author = {Durner, Dominik and Chandramouli, Badrish and Li, Yinan},
        journal = {PVLDB},
        series = {{VLDB} '21},
        volume = {14},
        number = {11},
        pages = {2432--2444},
        doi = {10.14778/3476249.3476292},
        url = {https://doi.org/10.14778/3476249.3476292},
        year = {2021}
}

Incoming Citations (Sorted by Pagerank)

Showing 12 of 12 citing papers.

Rank Citing Paper Year Venue Pagerank
3,816 ScaleStore: A Fast and Cost-Efficient Storage Engine using DRAM, NVMe, and RDMA 2022 SIGMOD 6.9852219e-05
4,058 Exploiting Cloud Object Storage for High-Performance Analytics 2023 VLDB 6.8134824e-05
6,250 Predicate Caching: Query-Driven Secondary Indexing for Cloud Data Warehouses 2024 SIGMOD 5.818039e-05
6,400 Selection Pushdown in Column Stores using Bit Manipulation Instructions 2023 SIGMOD 5.7811299e-05
8,176 Predicate Pushdown for Data Science Pipelines 2023 SIGMOD 5.3688159e-05
9,165 The Five-Minute Rule for the Cloud: Caching in Analytics Systems 2025 CIDR 5.2033937e-05
9,350 On-Demand State Separation for Cloud Data Warehousing 2022 VLDB 5.1762083e-05
9,476 Saving Money for Analytical Workloads in the Cloud 2024 VLDB 5.157794e-05
9,719 The HANA Native Query Engine for Lakehouse Systems 2025 VLDB 5.1229327e-05
10,119 LiquidCache: Efficient Pushdown Caching for Cloud-Native Data Analytics 2025 VLDB 5.0638787e-05
10,387 CacheServer: Disaggregated Caching for Cloud Databases 2027 SIGMOD 4.9605343e-05
10,550 L3: A GPU-Native Co-Designed Data Format for Learned Lossless Lightweight Compression 2026 SIGMOD 4.9605343e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 22 of 22 cited papers.

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

Rank Cited Paper Year Venue Pagerank
12 C-Store: A Column-oriented DBMS 2005 VLDB 0.00068985264
52 The Snowflake Elastic Data Warehouse 2016 SIGMOD 0.00041439488
148 On Rules, Procedures, Caching And Views In Data Base Systems 1990 SIGMOD 0.00028920518
410 Semantic Data Caching and Replacement 1996 VLDB 0.00018751654
462 Delta Lake: High-Performance ACID Table Storage over Cloud Object Stores 2020 VLDB 0.00017825062
556 Optimizing Queries Using Materialized Views: A Practical, Scalable Solution 2001 SIGMOD 0.00016470022
567 Answering Queries with Aggregation Using Views 1996 VLDB 0.00016228477
953 DynaMat: A Dynamic View Management System for Data Warehouses 1999 SIGMOD 0.0001287248
961 Materialized View Selection for Multidimensional Datasets 1998 VLDB 0.0001281898
1,039 Fine-grained Partitioning for Aggressive Data Skipping 2014 SIGMOD 0.00012349128
1,190 Tsunami: A Learned Multi-dimensional Index for Correlated Data and Skewed Workloads 2021 VLDB 0.00011564169
1,757 Selecting Subexpressions to Materialize at Datacenter Scale 2018 VLDB 9.7050769e-05
1,779 Caching Multidimensional Queries Using Chunks 1998 SIGMOD 9.6641413e-05
1,783 Greenplum: A Hybrid Database for Transactional and Analytical Workloads 2021 SIGMOD 9.6536753e-05
2,092 An Architecture for Recycling Intermediates in a Column-store 2009 SIGMOD 9.0432353e-05
2,287 Transparent Mid-Tier Database Caching in SQL Server 2003 SIGMOD 8.6824091e-05
2,517 WATCHMAN: A Data Warehouse Intelligent Cache Manager 1996 VLDB 8.3412913e-05
3,081 Pushing Data-Induced Predicates Through Joins in Big-Data Clusters 2020 VLDB 7.6515625e-05
3,352 Cache Tables: Paving the Way for an Adaptive Database Cache 2003 VLDB 7.3694169e-05
3,550 Computation Reuse in Analytics Job Service at Microsoft 2018 SIGMOD 7.1895215e-05
5,642 Revisiting Reuse in Main Memory Database Systems 2017 SIGMOD 6.0370517e-05
6,807 Intermittent Query Processing 2019 VLDB 5.661199e-05
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Semantically Similar Papers

# Overall Rank Paper Year Venue
1 6,499 HetCache: Synergising NVMe Storage and GPU acceleration for Memory-Efficient Analytics 2023 CIDR
2 11,360 STsCache: An Efficient Semantic Caching Scheme for Time-series Data Workloads Based on Hybrid Storage 2025 VLDB
3 4,164 GPU Database Systems Characterization and Optimization 2024 VLDB
4 1,779 Caching Multidimensional Queries Using Chunks 1998 SIGMOD
5 4,855 ReCache: Reactive Caching for Fast Analytics over Heterogeneous Data 2018 VLDB
6 3,404 FlexPushdownDB: Hybrid Pushdown and Caching in a Cloud DBMS 2021 VLDB
7 9,165 The Five-Minute Rule for the Cloud: Caching in Analytics Systems 2025 CIDR
8 10,119 LiquidCache: Efficient Pushdown Caching for Cloud-Native Data Analytics 2025 VLDB
9 4,058 Exploiting Cloud Object Storage for High-Performance Analytics 2023 VLDB
10 10,387 CacheServer: Disaggregated Caching for Cloud Databases 2027 SIGMOD