Managing data in storage according to a log structure

Provided are a computer program product, system, and method for managing data in a storage. Each index entry in and index identifies a log address in the log of one of the records. Each record in the log includes a key and value, and the log addresses map to physical addresses in the storage. A plur...

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Main Authors Sangeetha Seshadri, Lawrence Yiumchee Chiu, Paul Henri Muench
Format Patent
LanguageEnglish
Published 29.11.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract Provided are a computer program product, system, and method for managing data in a storage. Each index entry in and index identifies a log address in the log of one of the records. Each record in the log includes a key and value, and the log addresses map to physical addresses in the storage. A plurality of processed log addresses in the log are processed by determining whether the index indicates that the processed log address includes a current version of the record in the log; adding the record at the processed log address to a selected log address in the log in response to determining that the index indicates that the processed log address comprises the current version of the record; and deleting a record at the physical address in the storage to which the processed log address maps.
AbstractList Provided are a computer program product, system, and method for managing data in a storage. Each index entry in and index identifies a log address in the log of one of the records. Each record in the log includes a key and value, and the log addresses map to physical addresses in the storage. A plurality of processed log addresses in the log are processed by determining whether the index indicates that the processed log address includes a current version of the record in the log; adding the record at the processed log address to a selected log address in the log in response to determining that the index indicates that the processed log address comprises the current version of the record; and deleting a record at the physical address in the storage to which the processed log address maps.
Author Paul Henri Muench
Lawrence Yiumchee Chiu
Sangeetha Seshadri
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Snippet Provided are a computer program product, system, and method for managing data in a storage. Each index entry in and index identifies a log address in the log...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Managing data in storage according to a log structure
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