PRESERVING PAST STATES OF FILE SYSTEM NODES

PRESERVING PAST STATES OF FILE SYSTEM NODES

A selective tuple versioning is used on a files system for preserving past states of file system nodes by adding a bitmap to a row for a node within a file system table for preserving the past state of the node in a file system, receiving a request for updating the node along with a node identificat...

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Hauptverfasser: LEVY ASAF, KUVENT AVIV, BACHAR YARIV
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator LEVY ASAF
KUVENT AVIV
BACHAR YARIV
description A selective tuple versioning is used on a files system for preserving past states of file system nodes by adding a bitmap to a row for a node within a file system table for preserving the past state of the node in a file system, receiving a request for updating the node along with a node identification (ID) and associated attributes of the node needing to be updated, generating a second time value indicating the time of the updating, and duplicating the row for the node into a new row in the file system table with an end time set equal to the second time value if the bit in the bitmap for the node is set.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title PRESERVING PAST STATES OF FILE SYSTEM NODES
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