1. A log record analyzing system for monitoring a log record from at least one computerized system, said log record analyzing system comprising: a pattern repository adapted to store more than one pattern object record of different grammar types; and a parsing engine associated with said pattern repository, comprising: a raw log data input for receiving raw log data, a matching unit associated with said input for matching between said raw log data input and one of said pattern object records; and an output for outputting a parsed structured version of said raw log data using a structure extracted from said matched record.