DIRECTORY PROCESSING METHOD AND APPARATUS, AND STORAGE SYSTEM
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United States of America Patent
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Issued Date -
Nov 5, 2020
app pub date -
Jul 17, 2020
filing date -
Jan 19, 2018
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Abstract
A directory processing method and apparatus are provided to resolve a problem that a directory occupies a relatively large quantity of caches in an existing directory processing solution. The method includes: receiving, by a first data node, a first request sent by a second data node; searching for, by the first data node, a matched directory entry in a directory of the first data node based on tag information and index information in a first physical address; creating, when no matched directory entry is found, a first directory entry of the directory based on the first request, where the first directory entry includes the tag information, first indication information, first pointer information, and first status information, the first pointer information is used to indicate that data in the memory address corresponding to the indication bit that is set to valid is read by the second data node.
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