Put an Elephant into a Fridge: Optimizing Cache Efficiency for In-memory Key-value Stores
Summary: Cavast tackles CPU-cache bottlenecks in terabyte-scale in-memory KVSs without hardware changes, using software cache control, cache-aware layout/index redesign, and GC offloading. Memcached/Redis prototypes achieve up to 82.7% cache hits and 4.2× throughput. (summarized by gpt-5.6-luna on Jul 24 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Kefei Wang (Louisiana State University)
- 2. Jian Liu (Louisiana State University)
- 3. Feng Chen (Louisiana State University)
BibTeX Citation
@article{wang_vldb20,
title = {{Put an Elephant into a Fridge: Optimizing Cache Efficiency for In-memory Key-value Stores}},
author = {Wang, Kefei and Liu, Jian and Chen, Feng},
journal = {PVLDB},
series = {{VLDB} '20},
volume = {13},
number = {9},
pages = {1540--1554},
doi = {10.14778/3397230.3397247},
url = {https://doi.org/10.14778/3397230.3397247},
year = {2020}
}Incoming Citations (Sorted by Pagerank)
Showing 4 of 4 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,197 | Cache-Craft: Managing Chunk-Caches for Efficient Retrieval-Augmented Generation | 2025 | SIGMOD | 8.8751404e-05 |
| 6,072 | Catalyst: Optimizing Cache Management for Large In-memory Key-value Systems | 2023 | VLDB | 5.8783532e-05 |
| 10,847 | Efficient Cooperation-Aware Key and Value Management for LLM Inference | 2026 | VLDB | 4.9605343e-05 |
| 11,974 | Rearchitecting In-Memory Object Stores for Low Latency | 2022 | VLDB | 4.9605343e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 8 of 8 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 68 | Making B+-Trees Cache Conscious in Main Memory | 2000 | SIGMOD | 0.00037861537 |
| 280 | FAST: Fast Architecture Sensitive Tree Search on Modern CPUs and GPUs | 2010 | SIGMOD | 0.00022267903 |
| 975 | FlashStore: High Throughput Persistent Key-Value Store | 2010 | VLDB | 0.00012720722 |
| 1,671 | SkimpyStash: RAM Space Skimpy Key-Value Store on Flash-based Storage | 2011 | SIGMOD | 9.9107164e-05 |
| 2,208 | Mega-KV: A Case for GPUs to Maximize the Throughput of In-Memory Key-Value Stores | 2015 | VLDB | 8.8459331e-05 |
| 2,374 | BlueCache: A Scalable Distributed Flash-based Key-value Store | 2017 | VLDB | 8.5378441e-05 |
| 2,939 | Interleaving with Coroutines: A Practical Approach for Robust Index Joins | 2018 | VLDB | 7.82098e-05 |
| 5,125 | Online Deduplication for Databases | 2017 | SIGMOD | 6.2497801e-05 |
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| 2 | 11,865 | Making Cache Monotonic and Consistent | 2023 | VLDB |
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| 8 | 10,619 | Analysis and Evaluation of Using Microsecond-Latency Memory for In-Memory Indices and Caches in SSD-Based Key-Value Stores | 2026 | SIGMOD |
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