How can a distributed system be consistent and available (CA)? Because I would argue when a network partition occurs, CA cannot be possible in a way where every node of the network, even the partio...

Elasticsearch is a distributed system. As per the CAP theorem, it can satisfy any 2 out of 3 properties. Which one is compromised in Elasticsearch?

This is from Kubernetes documentation: Consistent and highly-available key value store used as Kubernetes' backing store for all cluster data. Does Kubernetes have a separate mechanism internally...

Everywhere I look, I see that MongoDB is CP. But when I dig in I see it is eventually consistent. Is it CP when you use safe=true? If so, does that mean that when I write with safe=true, all replic...

Recently, S3 announces strong read-after-write consistency. I'm curious as to how one can program that. Doesn't it violate the CAP theorem? In my mind, the simplest way is to wait for the replicati...

If you have scaled SQL server with one DB for writes and multiple DBs for reads. Wouldn't there be a delay for data to be replicated from the write DB to the to other read databases? In which case ...

I just started reading about Hadoop and came across the CAP Theorem. Can you please throw some light on which two components of CAP would be applicable to a HDFS system?

If I understand the CAP Theorem correctly, availability means that the cluster continues to operate even if a node goes down. I've seen a lot of people (http://blog.nahurst.com/tag/guide) list RD...

Two points I don’t understand about RDBMS being CA in CAP Theorem : 1) It says RDBMS is not Partition Tolerant but how is RDBMS any less Partition Tolerant than other technologies like MongoDB or ...

I have a question on Elasticsearch. With respect to CAP theorem what does Elasticsearch follow out of the three? Some say its CA while some say its AP. Does it depend? I was also reading up on this...

There is a great talk here about simulating partition issues in Cassandra with Kingsby's Jesper library. My question is - with Cassandra are you mainly concerned with the Partitioning part of the...

We have the first version of an application based on a microservice architecture. We used REST for external and internal communication. Now we want to switch to AP from CP (CAP theorem)* and use a...

I am starting to learn about Apache Kafka. This https://engineering.linkedin.com/kafka/intra-cluster-replication-apache-kafka article states that Kafka is a CA system inside the CAP-Theorem. So it ...

Is that correct that ZooKeeper is always CP (in terms of CAP theorem)? Or is there anyway to use it as AP for service discovery needs?

Where does Oracle RDBMS stand in the CAP Theorem ? I believe it provides Consistency and Availability (via replicas and hot/standby databases) and it is very less Partition tolerant. The databas...

The CAP theorem seems logical to me. I understand that: If I have consistency on a distributed system, I have to wait for all transactions. The cost of ACID is the time to duplicate data on all th...

Using DynamoDB, two independent clients trying to write to the same item at the same time, using conditional writes, and trying to change the value that the condition is referencing. Obviously, one...

Why is using HBase a better choice than using Cassandra with Hadoop? Can anyone please give a detailed explanation on this? Thanks