Metadata Update Management In a Multi-Tiered Memory
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Feb 26, 2013
filing date -
Feb 26, 2013
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Abstract
Method and apparatus for managing data in a memory. In accordance with some embodiments, metadata updates are stored in a first tier of a a multi-tier non-volatile memory structure responsive to access operations associated with data objects in the memory structure. The stored metadata updates are logged in a second, lower tier of the memory structure. The stored metadata updates are further migrated to a different location within the first tier responsive to an accumulated count of said access operations.
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