CDC Replication Slot Lag and Postgres Database Bloat
Stalled replication slots can fill your disk with unbounded WAL retention.
Stalled replication slots can fill your disk with unbounded WAL retention.
Anchor reads to the change log to bootstrap large tables without data loss.
Production CDC pipelines need coordination across three layers to truly deliver exactly once.
Design pipelines around 24-hour retention and two-consumer limits.
Resume tokens protect change streams only until the oplog overwrites them.
Understanding four key primitives prevents logical replication failures in production.
CDC writes demand different partitioning and clustering strategies than batch loads.
Prioritize migration sequencing over speed to avoid wasting months on low-value pipelines.
Capture only the changes that matter using CDC patterns tailored to your latency needs.
CDC and ClickHouse's ReplacingMergeTree enable sub-second analytical freshness.
Warehouse-native and pipeline-based ingestion each excel in different production conditions.
How multiple database sources create coordination headaches when converging into one warehouse.