Read Consistency with Database Replicas at Shopify

README.md

@@ -382,6 +382,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 	* [Replication](https://m.alphasights.com/a-primer-on-database-replication-381b319cd032)		
 		* [MySQL Parallel Replication (4 parts) at Booking.com](https://medium.com/booking-com-infrastructure/evaluating-mysql-parallel-replication-part-4-annex-under-the-hood-eb456cf8b2fb)
 		* [Mitigating MySQL Replication Lag and Reducing Read Load at Github](https://githubengineering.com/mitigating-replication-lag-and-reducing-read-load-with-freno/)
+		* [Read Consistency with Database Replicas at Shopify](https://shopify.engineering/read-consistency-database-replicas)
 		* [Black-Box Auditing: Verifying End-to-End Replication Integrity between MySQL and Redshift at Yelp](https://engineeringblog.yelp.com/2018/04/black-box-auditing.html)
 		* [Partitioning Main MySQL Database at Airbnb](https://medium.com/airbnb-engineering/how-we-partitioned-airbnb-s-main-database-in-two-weeks-55f7e006ff21)
 		* [Herb: Multi-DC Replication Engine for Schemaless Datastore at Uber](https://eng.uber.com/herb-datacenter-replication/)