tag: distributed-storage

Notes Background Already existing scheme used db query for replication Replication scheme was in such a way that any follower could query any other follower Due to this when they tried to implement RAFT there was a mismatch between the architecture and algorithm. So they decided to change the algorithm to implement in existing architecture. Problem Querying will not give you the term number meaning you don’t know if you’re pulling from the leader or not and if the log entries are correct or not....

File systems that already existed during GFS - GPFS/Lustre/AFS Why GFS was built instead of using existing ones? GPFS and Lustre are paid systems(could be the main reason) Specialized workflows Most common solutions to problems that come up: Batching Pipelining Separation of control and data flow Consistency Weakly consistent Mitigates consistency maintenance to its applications Takeaway: Satisfying the need is the main goal and to have that industries try to create simple system designs....