course prep arena ask shorts stories you ?

0 / 100 xp → junior

~course prep arena ask shorts stories you

Loading page…

~/himanshutty1

~/himanshu$cd ~/next-page

[ok]resolve route

[..]stream page

← all concepts

Tunable consistency.

also: consistency level · consistency levels · per-query consistency

Choosing the consistency level per operation, such as Cassandra's ONE, QUORUM or ALL, or DynamoDB's strongly consistent reads.

the two-minute refresher

DynamoDB: eventually consistent reads by default, strongly consistent reads on request (slower, costlier).
Cassandra: consistency level per query, from ONE to QUORUM to ALL.
Use strong reads for checkout and inventory, cheap reads for browsing.

Where the course teaches it

W05 · Day 1Consistency Modelslearn it →

Related concepts

Quorum
CAP theorem
Strong consistency