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CAPPLES - A Capacity Planning and Performance Analysis Method for the Migration of Legacy Systems

机译：Capples - 遗留系统迁移的容量规划和性能分析方法

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摘要

Many organizations have a number of mission-critical systems that are out-of-date, but that are essential to their activities and cannot be discontinued. This problem is known as the Legacy System Dilemma, and it is usually solved by the migration of the existing systems to a completely new environment. Although there are many strategies and tools to perform this migration, no methods are available for evaluating the performance of the new system before its migration has been completed. This paper presents CAPPLES, a capacity planning and performance analysis method for the migration of legacy systems. A real case study is presented where CAPPLES was successfully applied to predict the behaviour of a new version of a mission-critical legacy system. Details of how to use CAPPLES, such as the characterisation of the synthetic workload and the simulation of the new system, are also provided.
机译：许多组织有许多任务关键的系统，这些系统已过时，但这对他们的活动至关重要，无法停止。这个问题被称为遗留系统困境，通常通过现有系统的迁移来解决一个完全新的环境。虽然有许多策略和工具来执行此迁移，但在迁移完成之前，没有可用于评估新系统的性能的方法。本文介绍了传统系统迁移的容量规划和性能分析方法。介绍了一个真实的案例研究，其中成功应用了胶板以预测新版本的任务关键遗留系统的行为。还提供了如何使用功能的详细信息，例如合成工作量的表征和新系统的仿真。

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