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Load Control for Locking: The 'Half-and-Half' Approach

Summary: Introduces 'Half-and-Half', a dynamic load-control mechanism for two-phase locking that monitors DBMS state and adapts the multiprogramming level to eliminate thrashing under high contention. Evaluation shows robust thrashing prevention across workloads. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
889
Venue
PODS
Year
1990
Pagerank
7.4544138e-05
Overall Rank
3,385 | 76.78%
DOI
10.1145/298514.298543

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{carey_pods90,
        address = {New York, NY, USA},
        series = {{PODS} '90},
        title = {{Load Control for Locking: The 'Half-and-Half' Approach}},
        url = {https://dl.acm.org/doi/10.1145/298514.298543},
        doi = {10.1145/298514.298543},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Carey, Michael J. and Krishnamurthi, Sanjay and Livny, Miron},
        year = {1990}
}

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