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To avoid downtime, high-availability systems may instead perform the backup on a snapshot—a read-only copy of the data set frozen at a point in time—and allow applications to continue writing to their data. Most snapshot implementations are efficient and can create snapshots in O(1). In other words, the time and I/O needed to create the ...
describe the content: notes regarding the quality of video content, rating, description (for example, during a sport event, keywords like goal, red card will be associated to some clips) classify media: metadata allows producers to sort the media or to easily and quickly find a video content (a TV news could urgently need some archive content ...
Provides incremental backups with the ability to download every snapshot. ElephantDrive Any number of versions can be kept for any amount of time. Google Drive Old versions of files are kept for 30 days or 100 revisions. Revisions can be set not to be automatically deleted. IASO Backup
In databases, and transaction processing (transaction management), snapshot isolation is a guarantee that all reads made in a transaction will see a consistent snapshot of the database (in practice it reads the last committed values that existed at the time it started), and the transaction itself will successfully commit only if no updates it has made conflict with any concurrent updates made ...
Wikipedia:Pushing to 1.0, a project about generating a reviewed layer for Wikipedia content, has side-discussions about [re]using snapshots of such a beast. Wikipedia:Stable versions looks are producing static and reviewed versions of articles most suitable from print at any given time.
Isolation is typically enforced at the database level. However, various client-side systems can also be used. It can be controlled in application frameworks or runtime containers such as J2EE Entity Beans [2] On older systems, it may be implemented systemically (by the application developers), for example through the use of temporary tables.
Snapshot, a 2005 novel by Garry Disher; Snapshot (novella), a 2017 novella by Brandon Sanderson; SNAPSHOT or SNAP-10A, a 1965 American nuclear-powered satellite; Snap shot (ice hockey), a fast shot made by snapping the wrists; Snapshots, a 2016 Canadian reality program for children; Snapshots, a 2005 jukebox musical of Stephen Schwartz songs
Common snapshot subjects include the events of everyday life, often portraying family members, friends, pets, children playing, birthday parties and other celebrations, sunsets, tourist attractions and the like. Snapshots can be technically "imperfect" or amateurish: poorly framed or composed, out of focus, and/or inappropriately lighted by ...