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Consistent hashing

In computer science, consistent hashing is a special kind of hashing technique such that when a hash table is resized, only n / m {\displaystyle n/m} keys need to be remapped on average where n {\displaystyle n} is the number of keys and m {\displaystyle m} is the number of slots. Consistent hashing evenly distributes cache keys across shards, even if…

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Basic technique

Comparison with rendezvous hashing and other alternatives

Examples

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Consistent hashing

Nodes63
Edges62
Triples89
Avg. degree1.97
Density0.031746
Components1

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Consistent hashing

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related to Works cited · 20
Consistent hashing → Advanced Algorithms, Ankur, April, Archived, February, Gregory, Introduction, July, March, Massachusetts Institute, Moitra, October, PDF, Retrieved, Roughgarden, Stanford University, Technology, The Modern Algorithmic Toolbox, Tim, Valiant
related to Basic technique · 17
Consistent hashing → BLOB, BLOBs, But, Consistent, Each BLOB, For, However, ID, In, IP, Likewise, Phi, Psi, The, This, Usually, UUID
related to External links · 14
Consistent hashing → AkamaiJump Consistent Hashing, CC, Consistent Hash AlgorithmRendezvous Hashing, Consistent HashingImplementations, Creation, Danny Lewin, ErlangGoJavaPHPRubyPythonPython, Fast, Hashing, June, Michael Nielsen, Minimal Memory, PerlPerl6, Understanding Consistent
related to history · 13
Consistent hashing → Akamai Technologies, Computing, Daniel Lewin, David Karger, Each, In Akamai's, MIT, Symposium, Teradata, The, Theory, This, Thomson Leighton
related to Examples · 9
Consistent hashing → Amazon's, Apache CassandraData, Couchbase, DynamoData, Known, Object Storage Service SwiftPartitioning, ScyllaDBData, SpiceDBChord, VoldemortAkka's
related to Practical extensions · 7
Consistent hashing → Another, BLOB, BLOBs, In, This, To, When
related to Comparison with rendezvous hashing and other alternatives · 4
Consistent hashing → Because, If, It, Rendezvous
is a · 2
Consistent hashing → special case of rendezvous hashing, special kind of hashing technique such that when a hash table is resized
related to Complexity · 2
Consistent hashing → K/N, The

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Important terminology

hashing consistent server servers blob hash displaystyle used cluster blobs web circle unit number keys technique distributed added rendezvous removed

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Consistent hashingis aspecial kind of hashing technique such that when a hash table is resized0.90text
Consistent hashingis aspecial case of rendezvous hashing0.90text
a distributed hash table.Teradata used this technique in their distributed databaseinstance ofThe paper was later re-purposed to address technical challenge of keeping track of a file in peer-to-peer networks0.80text
Consistent hashingrelated to Basic techniqueIn0.60section
Consistent hashingrelated to Basic techniqueBLOB0.60section
Consistent hashingrelated to Basic techniqueID0.60section
Consistent hashingrelated to Basic techniqueHowever0.60section
Consistent hashingrelated to Basic techniqueBLOBs0.60section
Consistent hashingrelated to Basic techniqueConsistent0.60section
Consistent hashingrelated to Basic techniqueThe0.60section
Consistent hashingrelated to Basic techniqueFor0.60section
Consistent hashingrelated to Basic techniquePhi0.60section

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