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- Dancing_tree abstract "In computer science, a dancing tree is a tree data structure similar to B+ trees. It was invented by Hans Reiser, for use by the Reiser4 file system. As opposed to self-balancing binary search trees that attempt to keep their nodes balanced at all times, dancing trees only balance their nodes when flushing data to a disk (either because of memory constraints or because a transaction has completed).The idea behind this is to speed up file system operations by delaying optimization of the tree and only writing to disk when necessary, as writing to disk is thousands of times slower than writing to memory. Also, because this optimization is done less often than with other tree data structures, the optimization can be more extensive.In some sense, this can be considered to be a self-balancing binary search tree that is optimized for storage on a slow medium, in that the on-disc form will always be balanced but will get no mid-transaction writes; doing so eases the difficulty (at the time) of adding and removing nodes, and instead performs these (slow) rebalancing operations at the same time as the (much slower) write to the storage medium.However, a (negative) side effect of this behavior is witnessed in cases of unexpected shutdown, incomplete data writes, and other occurrences that may prevent the final (balanced) transaction from completing. In general, dancing trees will pose a greater difficulty for data recovery from incomplete transactions than a normal tree; though this can be addressed by either adding extra transaction logs or developing an algorithm to locate data on disk not previously present, then going through with the optimizations once more before continuing with any other pending operations/transactions.".
- Dancing_tree wikiPageExternalLink reiser4-1-internal-tree.html.
- Dancing_tree wikiPageExternalLink dancing_tree.
- Dancing_tree wikiPageID "1605712".
- Dancing_tree wikiPageRevisionID "542563092".
- Dancing_tree hasPhotoCollection Dancing_tree.
- Dancing_tree subject Category:Computer_file_systems.
- Dancing_tree subject Category:Trees_(data_structures).
- Dancing_tree type Abstraction100002137.
- Dancing_tree type Arrangement105726596.
- Dancing_tree type ClassificationSystem105727220.
- Dancing_tree type Cognition100023271.
- Dancing_tree type ComputerFileSystems.
- Dancing_tree type FileSystem105732614.
- Dancing_tree type PsychologicalFeature100023100.
- Dancing_tree type Structure105726345.
- Dancing_tree comment "In computer science, a dancing tree is a tree data structure similar to B+ trees. It was invented by Hans Reiser, for use by the Reiser4 file system.".
- Dancing_tree label "Dancing tree".
- Dancing_tree label "Dancing tree".
- Dancing_tree label "Танцующее дерево".
- Dancing_tree sameAs Dancing_tree.
- Dancing_tree sameAs m.05g2fg.
- Dancing_tree sameAs Q2078122.
- Dancing_tree sameAs Q2078122.
- Dancing_tree sameAs Dancing_tree.
- Dancing_tree wasDerivedFrom Dancing_tree?oldid=542563092.
- Dancing_tree isPrimaryTopicOf Dancing_tree.