writes follow reads
reading a value seals the past; later writes must take effect after the writes that were observed
writes follow reads in a sentence
“Writes follow reads ensures a process cannot undermine causality by overwriting what it observed.”
Related Words
high availability
an inconsistently defined term meaning either majority availability or total availability depending on context
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