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Distributed storage for sequential data

LogDevice is a scalable distributed log storage system that offers durability, high availability, and total order of records under failures. It is designed for a variety of workloads including event streaming, replication pipelines, transaction logs, and deferred work journals.
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Scalable

Store up to a million logs on a single cluster.

Fault-tolerant

Log records are replicated across multiple nodes and failure domains.

Highly available

LogDevice handles full node/rack failures like a breeze. It is also resilient to slow or degraded nodes.

Efficient

A storage engine optimized for logs supports both SSD and HDD storage.

Designed from the ground up for data logging of all types.

LogDevice is designed from the ground up to serve many types of logs with high reliability and efficiency at scale. It is also highly tunable allowing each use case to be optimized for the right set of trade-offs in the durability-efficiency and consistency-availability space.

LogDevice is heavily used for high-durability low-latency streaming use cases as well as high-throughput machine-learning pipelines. The customizability that LogDevice offers makes it a versatile building block in many situations.

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