title: How to sync data between master and slave node in distributed systems
body: <p>Can I get the clarification for the below question?</p>
  
  <p>Given that 2 nodes one is R/W and another was a backup node, the backup node can have out of sync data, I have give few APIs like load, extract metadata, delete, update.
  Can any tell me that what is algorithm can be used that the end of the algorithm both nodes have the same data</p>