The ReplacingMergeTree Alternative for Predictable ClickHouse Deduplication
If you've run into ReplacingMergeTree's unpredictable merge timing, FINAL query overhead, or inability to handle late events, GlassFlow fixes all three by moving deduplication upstream, before data reaches ClickHouse.
More control
With GlassFlow your data is immediately deduplicated. That means that your query results are correct without any delays.
Less Load
Drop duplicates and reduce the data volume on your ClickHouse. That makes your system faster and cheaper to run.
Clean Data
By deduplicating before ingestion you ensure that only clean data reaches your ClickHouse.
How GlassFlow compares to ReplacingMergeTree
See how GlassFlow performs against to ClickHouse's ReplacingMergeTree or any self-built services for data deduplication
Deduplication
Immediate range
Late event management
Stateful store included
Quick to start
Reduced load for ClickHouse
Low maintanance effort
Open source
ClickHouse
ReplaceMergingTree
Go
Service
Why Teams Move Away from ReplacingMergeTree
Uncontrollable merge timing, FINAL query overhead, and no late-event handling. Read why RMT falls short for real-time deduplication and what to use instead.
Frequently asked questions
Feel free to contact us if you have any questions after reviewing our FAQs.
