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A technical comparison of OpenTelemetry → Kafka → ClickHouse vs OpenTelemetry → GlassFlow → ClickHouse. Learn where Kafka adds real value and where it adds operational overhead your observability pipeline doesn't need.

This guide shows you how to stream OTLP data, perform deduplication and PII masking with GlassFlow and send data directly into ClickHouse for high-performance, low-cost observability.

GlassFlow now supports native OpenTelemetry ingestion — so your traces, logs, and metrics arrive in ClickHouse deduplicated, enriched, and query-ready

A demo using GlassFlow to deduplicate and filter Kafka events before they reach ClickHouse for real-time fraud detection.

Teams kept asking if Glassflow would scale, so we rebuilt it to grow from small to massive workloads without changing your pipeline.

Turn messy logs into analytics-ready data with GlassFlow & ClickHouse.

This is what happens when vertical scaling becomes your bottleneck

Learn how AI systems push Kafka to ClickHouse beyond what most pipelines were built for.

Managing AI backfills safely in ClickHouse clusters.

Build a complete observability pipeline from telemetry to insights.

Build real-time analytics with Kafka and ClickHouse.

Remove duplicate events before they reach ClickHouse.

ReplacingMergeTree deduplication in ClickHouse – and its limitations.

Deduplication with GlassFlow: Fixing the limits of ClickHouse merges

We compared GlassFlow and ClickPipes for ClickHouse deduplication

Understand and compare ClickHouse’s AggregatingMergeTree engine

Open-source observability stack: ClickHouse, GlassFlow & Coroot.

Open source observability with ClickStack and GlassFlow

How ClickHouse powers observability at AI scale: Fast, efficient and ready for growth

When Kafka fits and when alternatives make sense.

Compare Snowflake and ClickHouse for modern analytics.

Migrating from Snowflake to ClickHouse: Step-by-Step Guide

Compare Amazon Redshift and ClickHouse for modern analytics.

Migrating from Redshift to ClickHouse: Step-by-Step Guide

Migrating from Bigquery to ClickHouse: Step-by-Step Guide

Learn ClickHouse JOINs step by step: types, examples & best practices.

ClickHouse doesn't handle JOINs like traditional databases. We explain why (rule-based planning, no data shuffling, memory limits) and what to do about it.

Why denormalization slows down ClickHouse and what to do instead.

Struggling with JOINs in ClickHouse? Learn how to handle them efficiently.

Solve ClickHouse JOIN limitations with GlassFlow.

Speed up ClickHouse queries using keys, indexes, dedup & JOIN optimization

Materialized Views in ClickHouse: Benefits and Limits

How to fix common problems with Materialized Views in ClickHouse

From data lakes to ClickHouse: mastering real-time data transformation.

A practical overview of the ClickHouse ecosystem and its key tools.

Managed ClickHouse services compared by features, pricing and use case.

Set up real-time ETL pipelines to ClickHouse with GlassFlow and Docker.

Deduplicate streaming logs before ClickHouse-no code, no duplicates.

Joining Kafka Streams Before ClickHouse with GlassFlow

Simplify Cloudflare’s ClickHouse log analytics with GlassFlow: faster, cleaner.

Simplify Kafka-to-ClickHouse Pipelines with GlassFlow and Altinity.Cloud

Understand asynchronous inserts in ClickHouse with a practical example.

Which Kafka-to-ClickHouse method is right for your stack?

Why integrating Flink with ClickHouse is difficult – key challenges explained

Flink + ClickHouse: Integration challenges explained.

Compares Flink alternatives for real-time ClickHouse integration.

Why companies build custom Go ingestion services for ClickHouse pipelines.

Stream Bitcoin to ClickHouse in real time-without duplicate records

Learn how we will solve the biggest challenges of Kafka users with ClickHouse.

Deep dive on raw data ingestions from Kafka to ClickHouse.

Learn the root of the duplication and JOINs issues of Kafka to ClickHouse.

Deep dive on limitations of ReplacingMergeTree and Materialized Views.

Apache Flink isn't the solution for duplications and JOINs on ClickHouse.

Learn the details on how GlassFlow will solve Duplications and JOINs.

ClickHouse Glossary: Key terms for engines, joins & real-time data

GlassFlow has successfully raised its seed round. Learn more about our journey.