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Rapid Resynchronization Method for Replication In-Memory Databases Supporting Mobile Communication Applications

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2 Author(s)
Guoqiong Liao ; Sch. of Inf. Technol., Jiangxi Univ. of Finance & Econ., Nanchang, China ; Jing Li

In this paper, a rapid resynchronization method using intent logs is suggested for replication in-memory databases supporting mobile communication applications. Both the identifiers of unsynchronized segments and the identifiers of the slaves who have missed the updates in the segments are recorded in the intent logs. When receiving a resynchronization request from a slave, the master will scan the intent logs to find the unsynchronized segments for the salve, and then send the segments gotten directly from its memory to the slave. The performance results shown the intent logs method can reduce resynchronization time than methods using transaction logs.

Published in:

Computer Science and Information Engineering, 2009 WRI World Congress on  (Volume:4 )

Date of Conference:

March 31 2009-April 2 2009