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    • 5. 发明授权
    • Method and system for transforming data between disparate capacity database systems
    • 在不同容量数据库系统之间转换数据的方法和系统
    • US06738773B1
    • 2004-05-18
    • US09562992
    • 2000-05-01
    • Philip P. ReunertMohanraj DharmarajanJeffrey G. OrtPeter Zatloukal
    • Philip P. ReunertMohanraj DharmarajanJeffrey G. OrtPeter Zatloukal
    • G06F1730
    • G06F17/30557G06F17/30569Y10S707/99931Y10S707/99938Y10S707/99945Y10S707/99952
    • In many computer systems, the rate of data from an input source may become significantly faster than a processor's ability to respond. This situation occurs when a faster and more modern system writes to an older and slower legacy system. The result of this interaction between disparate capacity systems may be system failure or data corruption, particularly due to overloading the slower system's input queue to the point where it can no longer catch up to its workload. The invention provides a method, system, and computer-readable medium having computer-executable instructions for transferring data between disparate capacity systems. The method comprises the steps of receiving transactions from a first computer system at a first rate and providing the transactions to a second computer system, wherein the second computer system receives the transactions at a second rate. The second computer system may be a database legacy database server and the first computer system may be an updated database server The second rate is set at a capacity of the second computer system. The method further delays for a predetermined period of time the transactions when the first rate exceeds the second rate. The predetermined period of time is a function of the second rate.
    • 在许多计算机系统中,来自输入源的数据速率可能比处理器的响应能力快得多。 当更快更现代的系统写入较旧的和较慢的遗留系统时,会出现这种情况。 不同容量系统之间的这种交互的结果可能是系统故障或数据损坏,特别是由于将较慢系统的输入队列过载到无法追赶其工作负载的地步。 本发明提供了一种具有用于在不同容量系统之间传送数据的计算机可执行指令的方法,系统和计算机可读介质。 该方法包括以第一速率从第一计算机系统接收事务并将事务提供给第二计算机系统的步骤,其中第二计算机系统以第二速率接收事务。 第二计算机系统可以是数据库旧数据库服务器,并且第一计算机系统可以是更新的数据库服务器。第二速率被设置为第二计算机系统的容量。 当第一速率超过第二速率时,该方法进一步延迟交易的预定时间段。 预定时间段是第二速率的函数。