Key-value Stores

Question 1

Supports read and write with HTTP tools?

Answer 1

etcd

Question 2

Stores data in hierarchical directories

Answer 2

etcd

Question 3

Can use SSL for client certificate expiration

Answer 3

etcd

Question 4

Can use TTLs for key expiraton

Answer 4

etcd

Question 5

Benchmarked at 1000s of writes per instance

Answer 5

etcd

Question 6

Distributed through the Raft protocol

Answer 6

etcd

Question 7

Store can be accessed through the Consul KV subcommands HTTP API, and Consul UI

Answer 7

Consul KV

Question 8

Keys can incldue any character

Answer 8

Consul KV

Question 9

There are no restrictions on the type of object stored

Answer 9

Consul KV

Question 10

Uses watches to monitor for updates

Answer 10

Consul KV

Question 11

A coordination service for distributed applications

Answer 11

Zookeeper

Question 12

The service is replicated across a group of hosts called an ensemble

Answer 12

zookeeper

Question 13

Each instance keeps an in-memory image of the state

Answer 13

Zookeeper

Question 14

Uses a znode to represent a data object

Answer 14

zookeepr

Question 15

data is kept in memory

Answer 15

zookeeper

Question 16

Can be called a key value database

Answer 16

Key value store

Question 17

Provides scaling for larger data sets

Answer 17

key value store

Question 18

Stores data as a set of unique identifiers with an associated value

Answer 18

key value store

Question 19

data transfer is pass/fail no partial transactions

Answer 19

zookeeper