《Systems Performance: Enterprise and the Cloud》读书笔记系列（二） —— 第二章（一）

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本文详细解读了《Systems Performance: Enterprise and the Cloud》的第二章第一部分，介绍了分析系统性能时的关键术语，为读者深入理解企业与云端系统性能提供基础。

分析Systems Performance常用术语简介：


1. IOPS: Input/Output operations per second is a measure of the rate of data transfer operations. For disk I/O, IOPS refers reads and writes per second.

2. Throughput: the rate of work performed. Especially in communications, the term is used to refer to data rate ( bytes per second or bits per second). In some contexts(e.g., databases), throughput can refer to the operation rate
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