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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
6.1266228e-05
Overall Rank
5,446 | 63.39%
DOI
10.14778/3476249.3476292

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 11 of 11 citing papers.

Rank Citing Paper Year Venue Pagerank
3,826 ScaleStore: A Fast and Cost-Efficient Storage Engine using DRAM, NVMe, and RDMA 2022 SIGMOD 6.9984204e-05
4,034 Exploiting Cloud Object Storage for High-Performance Analytics 2023 VLDB 6.8393244e-05
6,240 Predicate Caching: Query-Driven Secondary Indexing for Cloud Data Warehouses 2024 SIGMOD 5.8382355e-05
6,392 Selection Pushdown in Column Stores using Bit Manipulation Instructions 2023 SIGMOD 5.800848e-05
8,153 Predicate Pushdown for Data Science Pipelines 2023 SIGMOD 5.3891786e-05
9,132 The Five-Minute Rule for the Cloud: Caching in Analytics Systems 2025 CIDR 5.2231291e-05
9,316 On-Demand State Separation for Cloud Data Warehousing 2022 VLDB 5.1958405e-05
9,684 The HANA Native Query Engine for Lakehouse Systems 2025 VLDB 5.1423628e-05
10,080 LiquidCache: Efficient Pushdown Caching for Cloud-Native Data Analytics 2025 VLDB 5.0830849e-05
10,187 Saving Money for Analytical Workloads in the Cloud 2024 VLDB 5.0651993e-05
10,473 L3: A GPU-Native Co-Designed Data Format for Learned Lossless Lightweight Compression 2026 SIGMOD 4.9793485e-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 0.00068998927
52 The Snowflake Elastic Data Warehouse 2016 SIGMOD 0.00041219077
147 On Rules, Procedures, Caching And Views In Data Base Systems 1990 SIGMOD 0.00029019485
416 Semantic Data Caching and Replacement 1996 VLDB 0.00018658244
459 Delta Lake: High-Performance ACID Table Storage over Cloud Object Stores 2020 VLDB 0.00017856221
553 Optimizing Queries Using Materialized Views: A Practical, Scalable Solution 2001 SIGMOD 0.0001652591
567 Answering Queries with Aggregation Using Views 1996 VLDB 0.00016272161
949 DynaMat: A Dynamic View Management System for Data Warehouses 1999 SIGMOD 0.00012902181
957 Materialized View Selection for Multidimensional Datasets 1998 VLDB 0.00012861484
1,036 Fine-grained Partitioning for Aggressive Data Skipping 2014 SIGMOD 0.00012377471
1,191 Tsunami: A Learned Multi-dimensional Index for Correlated Data and Skewed Workloads 2021 VLDB 0.00011590153
1,745 Selecting Subexpressions to Materialize at Datacenter Scale 2018 VLDB 9.7343818e-05
1,764 Caching Multidimensional Queries Using Chunks 1998 SIGMOD 9.6965217e-05
1,791 Greenplum: A Hybrid Database for Transactional and Analytical Workloads 2021 SIGMOD 9.6259014e-05
2,084 An Architecture for Recycling Intermediates in a Column-store 2009 SIGMOD 9.0716512e-05
2,271 Transparent Mid-Tier Database Caching in SQL Server 2003 SIGMOD 8.7123265e-05
2,511 WATCHMAN: A Data Warehouse Intelligent Cache Manager 1996 VLDB 8.3696476e-05
3,073 Pushing Data-Induced Predicates Through Joins in Big-Data Clusters 2020 VLDB 7.6777283e-05
3,345 Cache Tables: Paving the Way for an Adaptive Database Cache 2003 VLDB 7.3949085e-05
3,545 Computation Reuse in Analytics Job Service at Microsoft 2018 SIGMOD 7.2134803e-05
5,639 Revisiting Reuse in Main Memory Database Systems 2017 SIGMOD 6.0558642e-05
6,796 Intermittent Query Processing 2019 VLDB 5.6803529e-05
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Semantically Similar Papers

# Overall Rank Paper Year Venue
1 7,881 ChronoCache: Predictive and Adaptive Mid-Tier Query Result Caching 2020 SIGMOD
2 6,489 HetCache: Synergising NVMe Storage and GPU acceleration for Memory-Efficient Analytics 2023 CIDR
3 11,298 STsCache: An Efficient Semantic Caching Scheme for Time-series Data Workloads Based on Hybrid Storage 2025 VLDB
4 4,480 GPU Database Systems Characterization and Optimization 2024 VLDB
5 1,764 Caching Multidimensional Queries Using Chunks 1998 SIGMOD
6 4,832 ReCache: Reactive Caching for Fast Analytics over Heterogeneous Data 2018 VLDB
7 3,520 FlexPushdownDB: Hybrid Pushdown and Caching in a Cloud DBMS 2021 VLDB
8 9,132 The Five-Minute Rule for the Cloud: Caching in Analytics Systems 2025 CIDR
9 10,080 LiquidCache: Efficient Pushdown Caching for Cloud-Native Data Analytics 2025 VLDB
10 4,034 Exploiting Cloud Object Storage for High-Performance Analytics 2023 VLDB