INSERTING DATA INTO AN IN-MEMORY DISTRIBUTED NODAL DATABASE
First Claim
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1. A parallel computer system comprising:
- a plurality of fully functional compute nodes; and
a database loader for pre-loading an in-memory database to optimize database efficiency by clustering database attributes, wherein clustering database attributes comprises placing data corresponding to a first attribute for a plurality of records together on a first node in the database and placing data corresponding to a second attribute for the plurality of records together on a second node in the database.
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Abstract
A method and apparatus loads data to an in-memory database across multiple nodes in a parallel computing system. A database loader uses SQL flags, historical information gained from monitoring prior query execution times and patterns, and node and network configuration to determine how to effectively cluster data attributes across multiple nodes. The database loader may also allow a system administrator to force placement of database structures in particular nodes.
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20 Claims
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1. A parallel computer system comprising:
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a plurality of fully functional compute nodes; and a database loader for pre-loading an in-memory database to optimize database efficiency by clustering database attributes, wherein clustering database attributes comprises placing data corresponding to a first attribute for a plurality of records together on a first node in the database and placing data corresponding to a second attribute for the plurality of records together on a second node in the database. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer implemented method for pre-loading an in-memory database into the compute nodes of a parallel computer system, the method comprising the steps of:
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receiving a database structure to load into the in-memory database; determining an optimized data node mapping to cluster database attributes across multiple nodes, wherein clustering database attributes across multiple nodes comprises placing data corresponding to a first attribute for a plurality of records together on a first node in the database and placing data corresponding to a second attribute for the plurality of records together on a second node in the database; and loading the database structure into the in-memory database with the determined optimized data node mapping. - View Dependent Claims (10, 11, 12, 13)
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14. A computer-readable article of manufacture comprising:
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a database loader for pre-loading an in-memory database to optimize database efficiency by clustering database attributes, wherein clustering database attributes comprises placing data corresponding to a first attribute for a plurality of records together on a first node in the database and placing data corresponding to a second attribute for the plurality of records together on a second node in the database; and tangible computer recordable media bearing the database loader. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification