HYBRID MEMORY TABLE CLUSTER SYSTEM
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 7, 2015
filing date -
May 8, 2014
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Abstract
A memory cluster system includes a shared storage, a plurality of nodes configured to share the shared storage, and a controller configured to allocate data to be loaded by each node to each main memory of each of the plurality of nodes and used by using a memory pointer when a database management system (DBMS) is starting up, from among data in the shared storage, to a main memory of each of the plurality of nodes based on a capacity of each main memory of the plurality of nodes, wherein each main memory of the plurality of nodes includes: a local memory storage configured to load data from all memory tables and all memory indexes to the main memory of each of the plurality of nodes when the DBMS is starting up; and a remote memory storage configured to read needed data, if the needed data is not found in the local memory storage, from a remote node and store the needed data, wherein the remote node is one of the plurality of nodes.
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