Building an undo log for in-memory blocks of data
Provided are techniques for building an undo log for in-memory blocks of data. Permission on a block of data in memory is set to prevent updates to that block of data using a memory protection function. In response to an update operation attempting to update the block of data in the memory, an inter...
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| creator | Lashley Scott D Miller, III John F |
| description | Provided are techniques for building an undo log for in-memory blocks of data. Permission on a block of data in memory is set to prevent updates to that block of data using a memory protection function. In response to an update operation attempting to update the block of data in the memory, an interrupt with a location of the block of data is received, the block of data is copied to an undo log entry in an undo log, and the permission on the block of data in the memory is set to allow the update to that block of data to proceed using the memory protection function. |
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Permission on a block of data in memory is set to prevent updates to that block of data using a memory protection function. In response to an update operation attempting to update the block of data in the memory, an interrupt with a location of the block of data is received, the block of data is copied to an undo log entry in an undo log, and the permission on the block of data in the memory is set to allow the update to that block of data to proceed using the memory protection function.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170103&DB=EPODOC&CC=US&NR=9535854B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170103&DB=EPODOC&CC=US&NR=9535854B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Lashley Scott D</creatorcontrib><creatorcontrib>Miller, III John F</creatorcontrib><title>Building an undo log for in-memory blocks of data</title><description>Provided are techniques for building an undo log for in-memory blocks of data. Permission on a block of data in memory is set to prevent updates to that block of data using a memory protection function. In response to an update operation attempting to update the block of data in the memory, an interrupt with a location of the block of data is received, the block of data is copied to an undo log entry in an undo log, and the permission on the block of data in the memory is set to allow the update to that block of data to proceed using the memory protection function.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB0Ks3MScnMS1dIzFMozUvJV8jJT1dIyy9SyMzTzU3NzS-qVEjKyU_OLlbIT1NISSxJ5GFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHBlqbGphamJk5GxkQoAQDw6iq-</recordid><startdate>20170103</startdate><enddate>20170103</enddate><creator>Lashley Scott D</creator><creator>Miller, III John F</creator><scope>EVB</scope></search><sort><creationdate>20170103</creationdate><title>Building an undo log for in-memory blocks of data</title><author>Lashley Scott D ; Miller, III John F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9535854B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>Lashley Scott D</creatorcontrib><creatorcontrib>Miller, III John F</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lashley Scott D</au><au>Miller, III John F</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Building an undo log for in-memory blocks of data</title><date>2017-01-03</date><risdate>2017</risdate><abstract>Provided are techniques for building an undo log for in-memory blocks of data. Permission on a block of data in memory is set to prevent updates to that block of data using a memory protection function. In response to an update operation attempting to update the block of data in the memory, an interrupt with a location of the block of data is received, the block of data is copied to an undo log entry in an undo log, and the permission on the block of data in the memory is set to allow the update to that block of data to proceed using the memory protection function.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Building an undo log for in-memory blocks of data |
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