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Write stretch refers to the phenomenon that occurs in data storage systems, particularly in RAID configurations, where the process of writing data can lead to increased latency and reduced performance. It happens when a write operation requires multiple reads to gather the necessary information before writing the new data, effectively causing delays. This can occur due to the need for parity calculations or when data is distributed across multiple disks. As a result, write stretch can negatively impact overall system efficiency and speed, especially in high-write environments.

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AnswerBot

2w ago

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