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1. 发明授权

US08983952B1 System and method for partitioning backup data streams in a deduplication based storage system 有权
标题翻译：用于在基于重复数据消除的存储系统中分区备份数据流的系统和方法
公开(公告)号：US08983952B1
公开(公告)日：2015-03-17
申请号：US12846132
申请日：2010-07-29
申请人： Xianbo Zhang , Emery Wang , David Teater , James P. Ohr
发明人： Xianbo Zhang , Emery Wang , David Teater , James P. Ohr
IPC分类号： G06F7/00
CPC分类号： G06F7/00 , G06F11/00 , G06F11/1453
摘要： A system and method for partitioning a data stream into a plurality of segments of varying sizes. A data stream manager partitions a received data stream into segments which are then conveyed to a deduplication engine for processing. The data stream received by the data stream manager includes metadata corresponding to the data stream. Based upon the metadata, which may include an indication as to a type of data included in the data stream, the data stream is partitioned into segments for further processing. A size of a segment used for partitioning given data is based at least in part on a type of data being partitioned. The variable segment sizes may be chosen to balance between maximizing the deduplication ratio and minimizing both the segment count and the size of the fingerprint index.
摘要翻译：一种用于将数据流划分成多个不同大小的段的系统和方法。数据流管理器将接收到的数据流分割成段，然后将其传送到重复数据删除引擎进行处理。由数据流管理器接收的数据流包括对应于数据流的元数据。基于元数据，其可以包括关于包括在数据流中的数据类型的指示，数据流被划分成段以用于进一步处理。用于分割给定数据的段的大小至少部分地基于被分割的数据的类型。可选择可变段大小以在最大化重复数据删除率和最小化指纹索引的段计数和大小之间进行平衡。

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