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Performance study on logging to another main memory database

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2 Author(s)
Qin Xiongpai ; Key Lab. of Data Eng. & Knowledge Eng., Renmin Univ. of China, Beijing, China ; Zhou Xiaoyun

In update intensive main memory database applications, huge volume of log records is generated, to maintain the ACID properties of the database system, the log records should be persistent efficiently. Delegating logging of one main memory database to another main memory database is proposed. The scheme is elaborated in detail in terms of architecture, logging & safeness levels, checkpointing, and recovery. Strict durability and relax durability are provided. When some form of non-volatile memory is used to temporarily holding log records, not only logging efficiency is improved, but also the scheme could guarantee full ACID of the system. We also propose using parallel logging to speedup log persistence by writing logs to multiple disks in parallel. Since interconnection network techniques progress by leaps and bounds, the scheme eliminates the concern about whether the system's overall performance may be slowed down by bandwidth and latency limitations. Experiment results demonstrate the feasibility of the proposal.

Published in:

New Trends in Information Science and Service Science (NISS), 2010 4th International Conference on

Date of Conference:

11-13 May 2010

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