# Announcing Silk: a silky smooth fiber runtime for ClickHouse

DevFeed: [Announcing Silk: a silky smooth fiber runtime for ClickHouse](<https://devfeed.tech/articles/announcing-silk-a-silky-smooth-fiber-runtime-for-clickhouse-5570.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/silk>)

Author: James Cunningham; Vadim Skipin

Published: 2026-06-25T19:37:21Z

Content type: release

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [C++](<https://devfeed.tech/topics/c-plus-plus.md>), [networking](<https://devfeed.tech/topics/networking.md>)

Tags: [c-plus-plus](<https://devfeed.tech/tags/c-plus-plus.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [concurrency](<https://devfeed.tech/tags/concurrency.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [distributed-systems](<https://devfeed.tech/tags/distributed-systems.md>), [io-uring](<https://devfeed.tech/tags/io-uring.md>), [latency](<https://devfeed.tech/tags/latency.md>), [open-source](<https://devfeed.tech/tags/open-source.md>)

## AI overview

Silk is a new open-source C++ stackful-fiber runtime for ClickHouse. It combines NUMA-aware work stealing, io_uring-based I/O, and no steady-state heap allocation to support high-concurrency networking and file I/O.

## Source excerpt

Silk is a new open-source C++ fiber runtime built for ClickHouse, combining a NUMA-aware work-stealing scheduler, io_uring I/O, and zero heap allocation in the steady state to deliver nanosecond-level fiber yields and dramatically lower tail latency for h