ORION is a tool that runs IO performance tests that model Oracle RDBMS IO workloads measures the performance of small (2-32K) IOs and large (128K+) IOs at various load levels. Each Orion data point is done at a specific mix of small and large IO loads sustained for a duration. Anywhere from a single data point to a two-dimensional array of data points can be tested by setting the right options.
An Orion test consists of data points at various small and large IO load levels. These points can be represented as a two-dimensional matrix: Each column in the matrix represents a fixed small IO load. Each row represents a fixed large IO load. The first row is with no large IO load and the first column is with no small IO load. An Orion test can be a single point, a row, a column or the whole matrix.
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