Mind map

Distribution Models

Mariana Hidalgo Sandoval Spanish

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Distribution Models

Single server
- No distribution
- One machine
  - Reads
  - Writes
  - Running database
- Convenient
  - Graph databases
Sharding
- Better performance
  - Many user accesses
  - Not alone
    - Data resiliency
Master-Slave Replication
- Disadvantages
  - Inconsistency
- All nodes
  - Read
  - Receive updates
- Reporting updates
  - Most nodes
Peer-to-Peer Replication
- Roles
  - One master node
    - Propagates updates
  - Slave nodes / readers
- Advantages
  - Scaling
    - Supports intensive reading
  - No available master
    - Slaves can still read
  - Quick recovery
    - Replacement
      - Master by one slave
- Disadvantages
  - Not good for intensive writing
  - Inconsistency
    - Incomplete propagation of updates
Sharing and Replication Combination
- Numerous masters
  - One master per data item

Description: Mind Map on Distribution Models, created by Mariana Hidalgo Sandoval on 01/09/2021.
Created by: Mariana Hidalgo Sandoval
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