high availability
an inconsistently defined term meaning either majority availability or total availability depending on context
high availability in a sentence
“The SLA promised high availability, but the fine print defined it as majority-quorum operations only.”
Related Words
total availability
every non-faulty node executes any operation even in the presence of node or network failures
majority availability
operations execute when nodes comprise a majority and can communicate with one another
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