Explains the Leader and Followers distributed system pattern with a practical .NET implementation to ensure single authority and prevent data corruption.
A tutorial on setting up a three-node Postgres cluster using EDB's PGD CLI for high availability and logical replication in AWS.
Explains the difference between confirmed_flush_lsn and restart_lsn in PostgreSQL replication slots for troubleshooting and optimization.
Explains the difference between restart_lsn and confirmed_flush_lsn in PostgreSQL replication slots for troubleshooting and optimization.
Explains the limitations of physical and logical replication in Postgres and introduces EDB Postgres Distributed as a solution for production-grade needs.
Explains MongoDB's causal consistency feature, its API, and how it solves read-your-writes and monotonic read problems in replica sets.
Review of PolarDB-SCC, Alibaba's cloud-native database system that uses RDMA and new protocols to guarantee strongly consistent reads from read-only nodes.
Troubleshooting guide for ESXi UNMAP command failing to reclaim space on replicated Dell EqualLogic SAN volumes, including cause and solution.
