3 papers
cs.CR2025
Femur: A Flexible Framework for Fast and Secure Querying from Public Key-Value Store
Jiaoyi Zhang, Liqiang Peng, Mo Sha +6
With increasing demands for privacy, it becomes necessary to protect sensitive user query data when accessing public key-value databases. Existing Private Information Retrieval (PI…
cs.DB2024
HotRAP: Hot Record Retention and Promotion for LSM-trees with Tiered Storage
Jiansheng Qiu, Fangzhou Yuan, Mingyu Gao +1
The multi-level design of Log-Structured Merge-trees (LSM-trees) naturally fits the tiered storage architecture: the upper levels (recently inserted/updated records) are kept in fa…
cs.DB2024
Blitzcrank: Fast Semantic Compression for In-memory Online Transaction Processing
Yiming Qiao, Yihan Gao, Huanchen Zhang
We present BLITZCRANK, a high-speed semantic compressor designed for OLTP databases. Previous solutions are inadequate for compressing row-stores: they suffer from either low compr…