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Conference: KubeCon + CloudNativeCon Europe 2022
Authors: James Zhang, Xinye Tao
2022-05-19
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TiKV has introduced new features to improve its service quality in cloud storage, including Raft Engine and Prioritized I/O Rate Limiting.
- TiKV is a distributed storage engine that can scale out to hundreds of nodes and replicate both wall and data files to provide high availability.
- Cloud storage hardware can be a challenge due to its internal complexity, higher latency, and shared hardware with other users.
- To reduce cost and improve scalability, TiKV has introduced two new features: Raft Engine and Prioritized I/O Rate Limiting.
- Raft Engine is a new log store for TiKV that maintains an email index of all log entries, reducing background works and compressing log entries with lz4 to reduce nearly 30% of all server writes.
- Prioritized I/O Rate Limiting categorizes all system I/Os into three different priorities and assigns individual I/O limits to those priorities, adjusting the I/O limits for lower priorities after an overflow to decrease the global I/O usage of the system.
Conference: KubeCon + CloudNativeCon Europe 2022
Authors: Tomasz Pietrek
2022-05-18
NATS is a high performance cloud native distributed communications utility that allows you to build globally available and secure applications based on streams and services that are both fast and simple to operate. In this talk you will learn about the advanced features of NATS JetStream persistence implementation that includes both Key-Value & Object Store use-cases. You will also see a demo showcasing the flexibility of the NATS newly added Materialized Views capabilities. We will also discuss how it integrates with other CNCF projects, and simplifies your distributed application code base with functions like: watches, history, & sealed streams that are seamlessly integrated via the NATS CLI & API.Click here to view captioning/translation in the MeetingPlay platform!