BiteSizedChunks.comLearn one small thing at a time.

Course contentsShow

198What is Database Replication?
199Primary-Replica Architecture
200Why Replicate: Read Scaling
201Why Replicate: Availability and Failover
202Why Replicate: Geographic Distribution
203Synchronous Replication Explained
204Asynchronous Replication Explained
205Semi-Synchronous Replication
206Replication Logs and Mechanisms
207Replica Promotion and Failover Basics
208Replication Lag: What It Is and Why It Happens
209Read-After-Write Consistency Problem
210Monotonic Reads Guarantee
211Consistent Prefix Reads
212Measuring Replication Lag
213Acceptable Lag Windows by Use Case
214Session-Based Routing for Read-After-Write
215Sticky Sessions and Replica Affinity
216Timestamp-Based Consistency Checks
217Semi-Synchronous Replication Trade-offs
218Lag-Aware Load Balancing
219Application-Level Consistency Patterns
220Read-Write Splitting Fundamentals
221Application-Level Connection Management
222Proxy-Based Read-Write Splitting
223Detecting Read vs Write Queries
224Read-After-Write Consistency
225Sticky Sessions and Primary Reads
226Load Distribution Across Replicas
227Handling Replica Failures in Routing
228Monitoring Read-Write Split Effectiveness

198What is Database Replication?
199Primary-Replica Architecture
200Why Replicate: Read Scaling
201Why Replicate: Availability and Failover
202Why Replicate: Geographic Distribution
203Synchronous Replication Explained
204Asynchronous Replication Explained
205Semi-Synchronous Replication
206Replication Logs and Mechanisms
207Replica Promotion and Failover Basics
208Replication Lag: What It Is and Why It Happens
209Read-After-Write Consistency Problem
210Monotonic Reads Guarantee
211Consistent Prefix Reads
212Measuring Replication Lag
213Acceptable Lag Windows by Use Case
214Session-Based Routing for Read-After-Write
215Sticky Sessions and Replica Affinity
216Timestamp-Based Consistency Checks
217Semi-Synchronous Replication Trade-offs
218Lag-Aware Load Balancing
219Application-Level Consistency Patterns
220Read-Write Splitting Fundamentals
221Application-Level Connection Management
222Proxy-Based Read-Write Splitting
223Detecting Read vs Write Queries
224Read-After-Write Consistency
225Sticky Sessions and Primary Reads
226Load Distribution Across Replicas
227Handling Replica Failures in Routing
228Monitoring Read-Write Split Effectiveness

← System Design

Lesson 203 of 1,919·6. Database Scaling: Read ReplicasPro lesson

Synchronous Replication Explained

How synchronous replication ensures replicas have identical data by waiting for acknowledgment before completing writes.

This lesson is for subscribers

You've completed the free preview. Subscribe to unlock every lesson in every course.

See pricing Back to course