majority availability
operations execute when nodes comprise a majority and can communicate with one another
majority availability in a sentence
“Raft achieves majority availability: operations proceed as long as a quorum is reachable.”
Related Words
sticky availability
a client receives a response if executing against state that reflects its past transactions, even during failures
read skew
a transaction observes part but not all of another transaction's writes, producing an inconsistent view
write skew
two transactions each write different objects, with each failing to observe the other's writes
fractured read
one transaction writes two objects; another reads the current version of one but an older version of the other
dirty write
transactions overwrite one another forming a cycle linked purely by write-write dependencies (G0)
aborted read
an aborted transaction's write is visible to a committed transaction (G1a)