Open-Channel SSD and Zoned Namespace (ZNS): Architecture, Benefits, and Performance with RocksDB and ZenFS

This article explains the principles of Open-Channel SSDs, their evolution into Zoned Namespace (ZNS) technology, compares performance of a commercial ZNS drive with traditional SSDs, and explores how databases like RocksDB and the ZenFS file system can exploit ZNS for higher efficiency and lower latency.

Flash Translation LayerOpen-Channel SSDRocksDB

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Open-Channel SSD and Zoned Namespace (ZNS): Architecture, Benefits, and Performance with RocksDB and ZenFS

Efficient Ops

May 14, 2020 · Databases

How Baidu’s Open-Channel SSD Boosts KV Store Performance and Cuts Write Amplification

This article examines the limitations of traditional key‑value storage, explains Baidu’s high‑performance KV engine built on Open‑Channel SSDs, and shows how direct flash access dramatically reduces write and read amplification while improving bandwidth, space utilization, and overall QoS.

NVMeOpen-Channel SSDStorage Engine

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How Baidu’s Open-Channel SSD Boosts KV Store Performance and Cuts Write Amplification

Architecture Digest

Mar 22, 2018 · Fundamentals

Recent Trends and Hot Topics in Storage Technologies: Open‑Channel SSD, NVM, Learned Indexes, LSM‑Tree Optimizations, and Crash Consistency

This article surveys current storage research and industry developments, covering Open‑Channel SSD architecture, non‑volatile memory programming models, machine‑learning‑driven learned indexes, LSM‑Tree performance improvements, crash‑consistency verification, and recent virtualization and container‑storage advances.

LSM‑TreeLearned IndexNVM

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Recent Trends and Hot Topics in Storage Technologies: Open‑Channel SSD, NVM, Learned Indexes, LSM‑Tree Optimizations, and Crash Consistency