InterviewBit Problems   Highly Available Database


About the Highly Available Database category (1)
How do we store redundant data? (5)
Is Latency an important metric for us? (5)
Do Mapping, replica and coordinating nodes all exist on the ring? (1)
For a read to be consistent(return the latest write), we need to keep W + R > (4)
How many machines per shard ? How does a read / write look in every shard? (4)
Multi masters in storage system (1)
Size of the value for a key can increase as mentioned earlier. But the solution w (2)
Master Slave Architecture (1)
Should the data stored be normalized? (http://www.studytonight.com/dbms/database-normalization.php) (4)
What is the minimum number of machines required to store the data? (4)
What if a machine goes down? (4)
How does a write/read happen in our system? (13)
Can a peer to peer system be highly available in case of a DB machine dying? (6)
We are writing multiple copies of data on different nodes and since we are doing (2)
How exactly do peer-to-peer systems work? Doesn't there still have to be a high-l (4)
Highly Available Database Consistency vs Availability? (1)
Nice course. I only think it is a little bit long (2)
One thing I don't get is previously it mentioned 10K QPS and the size of one valu (3)
You say " we would need to compromise with consistency if we have availability an (2)
Is sharding required? (1)
What kind of consistency can we provide? (3)
Does P, W and R predefined ? Or they change dynamically as per new machines addit (2)
I see, I was originally a bit confused about consistent hashing using peer-peer s (2)
How will we exactly shard data for a peer to peer system? (2)