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This article provides a concise reference of the most frequently used Linkerd CLI commands and their associated flags, detailing how each command interacts with the control plane, injects proxies, and offers diagnostic and management capabilities for Kubernetes service meshes.
This step‑by‑step tutorial shows how to build Undermoon from source, deploy a memory broker, coordinator, two server proxies and four Redis nodes on a single machine, register them via JSON APIs, create a named cluster, and verify its operation with redis‑cli.
This guide walks through setting up an Undermoon Redis cluster using Docker Compose, covering prerequisites, building images, registering proxies, creating and scaling the cluster, and demonstrating automatic failover with concrete command‑line examples.
This guide walks through building Helm charts, deploying the Undermoon operator, creating and scaling a Redis Cluster on Kubernetes, and configuring the undermoon‑scheduler to ensure master‑replica placement across nodes, with detailed commands and parameter explanations.
Undermoon is an open‑source system that implements a self‑managing Redis cluster using the Redis Cluster protocol, offering horizontal scalability, high availability, HTTP‑API management, automatic master‑replica failover, and rapid expansion, with its architecture detailed across metadata storage, coordinator, storage cluster, and chunk components.
The article explains how Undermoon’s Chunk, composed of two proxies and four Redis nodes spread across two machines, forms the core building block for a balanced Redis cluster topology and load‑balancing strategy, detailing its node layout, failover behavior, and simple allocation algorithm.
The article explains how the Rust‑based Undermoon project implements the Redis Cluster Protocol using a server‑side proxy, detailing the protocol’s responsibilities, the advantages of this approach over traditional proxies, and providing step‑by‑step commands and code examples for deployment.
This guide explains how to measure the performance impact of the Sentry SDK on web servers by using the open‑source Sentry SDK Benchmark suite, which runs baseline and instrumented versions of TechEmpower framework tests inside Docker Compose and reports latency and resource usage.
When a Longhorn volume fails to mount on a CentOS 7.6 node with the error ‘fsck found errors on device’, you can diagnose the issue via pod logs, download and install a newer e2fsck, then run fsck.ext4 with appropriate options to repair the filesystem and restore the volume.
This guide shows how to use the Bitnami Helm chart to quickly deploy a Redis Cluster in a Kubernetes "redis" namespace, customize its values.yaml, retrieve the auto‑generated password, and add RedisInsight with a persistent volume for web‑based management.
