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- Memory_overcommitment abstract "Memory overcommitment is a concept in computing that covers the assignment of more memory to virtual computing devices than the physical machine they are hosted on actually has. This is possible because virtual machines do not necessarily use as much memory at any one point as they are assigned, creating a buffer. If four virtual machines each have 1GB of memory on a physical machine with 4GB of memory, but those virtual machines are only using 500MB, it is possible to create additional virtual machines that take advantage of the 500MB each existing machine is leaving free. Memory swapping is then used to handle spikes in memory usage. The disadvantage of this approach is that memory swap files are slower to read from than 'actual' memory, which can lead to performance drops.While memory overcommitment is usually talked about in the context of virtualization, it is actually a generalised concept; Windows NT contained overcommitment features, as do most modern generalised operating systems, including the Linux kernel.".
- Memory_overcommitment wikiPageID "41961615".
- Memory_overcommitment wikiPageLength "2068".
- Memory_overcommitment wikiPageOutDegree "8".
- Memory_overcommitment wikiPageRevisionID "658496503".
- Memory_overcommitment wikiPageWikiLink Category:Hardware_virtualization.
- Memory_overcommitment wikiPageWikiLink Category:Virtual_machines.
- Memory_overcommitment wikiPageWikiLink Computing.
- Memory_overcommitment wikiPageWikiLink Linux_kernel.
- Memory_overcommitment wikiPageWikiLink Paging.
- Memory_overcommitment wikiPageWikiLink Random-access_memory.
- Memory_overcommitment wikiPageWikiLink Virtualization.
- Memory_overcommitment wikiPageWikiLink Windows_NT.
- Memory_overcommitment wikiPageWikiLinkText "Memory overcommitment".
- Memory_overcommitment wikiPageWikiLinkText "memory over-provisioning".
- Memory_overcommitment wikiPageWikiLinkText "memory overcommitment".
- Memory_overcommitment wikiPageUsesTemplate Template:Reflist.
- Memory_overcommitment subject Category:Hardware_virtualization.
- Memory_overcommitment subject Category:Virtual_machines.
- Memory_overcommitment hypernym Concept.
- Memory_overcommitment comment "Memory overcommitment is a concept in computing that covers the assignment of more memory to virtual computing devices than the physical machine they are hosted on actually has. This is possible because virtual machines do not necessarily use as much memory at any one point as they are assigned, creating a buffer.".
- Memory_overcommitment label "Memory overcommitment".
- Memory_overcommitment sameAs Q16978069.
- Memory_overcommitment sameAs m.0_s3f4t.
- Memory_overcommitment sameAs Q16978069.
- Memory_overcommitment wasDerivedFrom Memory_overcommitment?oldid=658496503.
- Memory_overcommitment isPrimaryTopicOf Memory_overcommitment.