ClickHouse Bulk Inserts: Avoiding Overstuffing Your Instance
2025-02-14
Migrating large datasets to ClickHouse? Avoid performance bottlenecks by understanding MergeTree's data merging process. This article details best practices for bulk inserts, including batching data into larger chunks, pacing inserts to avoid overwhelming the background merge process, and leveraging tools like Jitsu Bulker, clickhouse-bulk, PeerDB, DLT, and the upcoming Dispatch. Optimize your ingestion workflow and prevent the dreaded 'too many parts' error.