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From OTel to Rotel: Petabyte-scale tracing with 4x greater throughput

ClickHouse · published 25 November 2025

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Host

https://rotel.dev/

rotel.dev

Scaling our Observability platform beyond 100 Petabytes by embracing wide events and replacing OTel Read at the source ↗

clickhouse.com

https://clickhouse.com/docs/use-cases/observability/clickstack/getting-started?loc=blog-cta-14-try-clickhouse-for-observability-with-clickstack-get-started&utm_blogctaid=14

clickhouse.com

https://clickhouse.com/docs/use-cases/observability/clickstack/ingesting-data/schemas

clickhouse.com

https://clickhouse.com/docs/sql-reference/data-types/map

clickhouse.com

How we built a new powerful JSON data type for ClickHouse Read at the source ↗

clickhouse.com

https://gist.github.com/mheffner/dc332a61f3b9ba1d03fd7c7d5c1b7fbb

gist.github.com

https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen

pkg.go.dev

https://github.com/streamfold/otel-loadgen

github.com

https://github.com/streamfold/rotel-clickhouse-benchmark/blob/main/docker-compose-otelcoll.yml

github.com

https://github.com/streamfold/rotel-clickhouse-benchmark/blob/main/docker-compose-rotel.yml

github.com

https://github.com/ClickHouse/clickhouse-rs/blob/main/examples/data_types_new_json.rs

github.com

https://clickhouse.com/docs/sql-reference/data-types/data-types-binary-encoding

clickhouse.com

https://github.com/streamfold/rotel/pull/200

github.com

Async: What is blocking? Read at the source ↗

ryhl.io

https://github.com/fede1024/rust-rdkafka

github.com

https://www.brendangregg.com/blog/2014-11-09/differential-flame-graphs.html

brendangregg.com

https://jemalloc.net/

jemalloc.net

https://jasone.github.io/2025/06/12/jemalloc-postmortem/

jasone.github.io

https://github.com/PSeitz/lz4_flex

github.com

https://doc.rust-lang.org/book/ch20-01-unsafe-rust.html

doc.rust-lang.org

How Netflix optimized its petabyte-scale logging system with ClickHouse Read at the source ↗

clickhouse.com

https://kccncna2025.sched.com/event/29Kgb

kccncna2025.sched.com

https://rotel.dev/discord

rotel.dev

https://github.com/streamfold/rotel

github.com

ClickHouse Input format matchup: Which is fastest & most efficient Read at the source ↗

clickhouse.com

https://vector.dev/

vector.dev

https://github.com/vectordotdev/vector/discussions/21018

github.com

https://github.com/vectordotdev/vector/issues/17307

github.com

https://fluentbit.io/

fluentbit.io

https://github.com/fluent/fluent-bit/issues/11121

github.com

https://clickhouse.com/docs/observability/integrating-opentelemetry

clickhouse.com

https://github.com/streamfold/rotel/blob/main/src/bin/clickhouse-ddl/README.md

github.com