Hyunsik Choi created TAJO-106:
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Summary: Design and Implement Vectors class
Key: TAJO-106
URL: https://issues.apache.org/jira/browse/TAJO-106
Project: Tajo
Issue Type: Sub-task
Components: physical operator
Reporter: Hyunsik Choi
The class 'Vectors' is the a base data structure that contains a number of rows
in the DSM (decomposition storage model) manner. In other words, Vectors object
should have a list of columns, each of which is an array of primitive types,
such as int, long, and double. Also, what each column values can be nullable
should be considered for its design.
The cache effect also should be considered for determining the size of each
vector. According to the MonetDB/X100 paper, 1000 values for each vector are
the best size for cache effect.
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