Field notes on distributed data engineering.
Deep dives from the KodeSync Resources practice — replication architecture, high-availability failure modes, and the career pathways that shape database infrastructure teams.
Distributed Systems
Conflict-Free Replicated Data Types (CRDTs) in Multi-Region Databases
Where conflict-free replicated data types belong in multi-region database architecture, which variants to choose, and the costs they carry in production.
Read article Failure modesSolving Split-Brain Scenarios in High-Availability Distributed Clusters
Preventing and recovering from split-brain in high-availability database clusters using quorum design, fencing, and witness placement.
Read article Data pipelinesReal-Time Change Data Capture (CDC) Architecture with Debezium and Kafka
Designing a production change data capture pipeline with Debezium and Kafka: log decoding, schema evolution, ordering, and delivery guarantees.
Read article PostgreSQLOptimizing PostgreSQL Replication Lag in High-Write Environments
Diagnosing and reducing PostgreSQL streaming replication lag under heavy write load, from WAL generation to replica apply throughput.
Read article Multi-cloudActive-Active Multi-Cloud Database Replication: Overcoming Network Partitions
Running active-active database replication across cloud providers: partition behaviour, conflict policy, routing, and the operational discipline it demands.
Read articleImmigration & Careers
STEM OPT Training Plans for Database Architects and Data Synchronization Engineers
How to structure a defensible STEM OPT training plan for database architects and data synchronization engineers, with measurable objectives and supervision evidence.
Read article CPT placementsWorking on CPT Authorization within Distributed Database Infrastructure
What curricular practical training requires when the placement involves distributed database infrastructure, clustering, and replication engineering.
Read article Petition strategyH-1B Petition Preparation for High-Availability Data Systems Specialists
Building an H-1B petition for high-availability data systems specialists: specialty occupation evidence, role documentation, and technical exhibits that hold up.
Read article Degree evidenceProving Complex Degree Relevance for Database Infrastructure Roles
How to demonstrate that a mathematics, physics, or engineering degree directly qualifies a candidate for database infrastructure and replication engineering work.
Read article Permanent residenceH-1B to Green Card: Navigating Labor Certification for Database Engineers
A practical view of the PERM labor certification stage for database engineers, from job description drafting to recruitment and audit readiness.
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