Patent ID: 7113936
Filing Date: 2006-09-26
Classification: H03M,Y10S

Abstract:
1. A method for storing statistics comprising: collecting statistics in connection with performing an operation in a computer system; storing said statistics in a statistics table; determining at least one device having corresponding statistics in said statistics table in which statistics related to said at least one device are currently being used in processing in connection with optimization being performed by an optimizer; and selectively loading into memory, in accordance with said processing in connection with said optimization being performed by said optimizer, only a portion of data from said statistics table, said portion including said corresponding statistics, wherein each occurrence of statistics included in said statistics table is associated with a device volume identifier and a timestamp having a corresponding timestamp identifier, and said each occurrence of statistics is accessed using an index, said index including said timestamp identifier, said timestamp identifier being an integer value in a predetermined range of integer values wherein said range has a size in accordance with a number of occurrences of statistics for said device volume identifier.