Zepto’s 45% ClickHouse Ingestion Boost via Open‑Source Connector Rewrite
Zepto rewrote the ClickHouse Kafka Connect sink, cutting GC pauses and adding smarter batching, raising sustained ingestion from 10 MB/s to ~15 MB/s – a 45% throughput lift. They open‑sourced two PRs, so any team using ClickHouse at scale can apply the same fixes. This shows how low‑level connector tuning can rescue pipelines stymied by managed services.