Centralized And Distributed Version Control System

 Centralized and distributed refer to the architecture of version control systems (VCS) like SVN (Subversion) and Git, respectively.

Centralized Version Control System (SVN):
  • In SVN, there is a single, central repository where all files and their history are stored.
  • Developers check out files from this central repository to work on them locally.
  • Changes made by developers are committed directly to the central repository.
  • Each developer typically has their own working copy of the files, but they all synchronize with the central repository.
Distributed Version Control System (Git):
  • In Git, every developer has a complete copy of the repository, including its full history, on their local machine.
  • Developers can work independently on their local copies of the repository, making commits and creating branches without needing access to a central server.
  • Changes are shared between developers by pushing and pulling commits between repositories.
  • There is no single point of failure, and developers can work offline without needing access to a central server.

Key Differences:

  • Network Dependency: SVN requires a network connection to the central server for most operations, while Git allows developers to work offline.
  • Flexibility: Git offers more flexibility in branching and merging due to its distributed nature, whereas SVN's branching and merging can be more cumbersome.
  • Speed: Git operations are often faster than SVN, especially for operations like branching, merging, and history traversal, due to its local repository structure.

In summary, centralized systems like SVN are simpler to set up and manage, but they can be less flexible and scalable for large projects or distributed teams. Distributed systems like Git offer more flexibility and performance benefits, especially for collaborative development workflows and larger projects.

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