Analysis of Replication Lag in a Database System
A business system recently experienced significant lag on its replica databases, failing to catch up with the primary database, posing considerable operational risks. Despite low CPU, IO, and network usage on the replica servers, indicating no resource bottlenecks, parallel replay was enibled. The SHOW PROCESSLIST command showed continuous repl ...
Posted on Wed, 02 Sep 2026 16:07:07 +0000 by slindstr