### Apache Karaf Cellar 3.x - Documentation ## Apache Software Foundation Apache Karaf Cellar 3.x - Documentation User Guide 1. Introduction 1.1. Karaf Cellar use cases 1.2. Cross topology Sources 2.3. Building on Windows 2.4. Building on Unix 3. Deploy Cellar 3.1. Registering Cellar features 3.2. Starting Cellar 3.3. Optional features 5.3. Node Components: listener, producer producer, handler, consume, and synchronizer 5.6. Listeners 6. Clustered resources 7. Cellar groups 7.1. New group 7.2. Clustered Resources and Cluster Groups 7.2.1. Features 7.2.2. Bundles 7.2.3. Configurations

### Apache Karaf Cellar 4.x - Documentation Apache Software Foundation Apache Karaf Cellar 4.x - Documentation User Guide 1. Introduction 1.1. Use Cases 1.2. Cross topology 1 3. Building on Windows 2.4. Building on Unix 3. Deploy Cellar 3.1. Registering Cellar features 3.2. Starting Cellar 3.3. Optional features 4. Core runtime and Hazelcast 4.1. Hazelcast cluster identification 4.2. Network 5. Cellar nodes 5.1. Nodes identification 5.2. Testing nodes 5.3. Node Components: listener, producer, handler, consume,

Apache Karaf Users' Guide Copyright 2011 The Apache Software Foundation The PDF format of the Karaf Manual has been generated by Prince XML (http://www.princexml.com). ## Table of contents Overview Developers Guide # Apache Karaf Overview Apache Karaf is a OSGi-based runtime which provides a lightweight container onto which various components and applications can be deployed. Apache Karaf uses either either Apache Felix Framework or Eclipse Equinox OSGi frameworks, and provide additional features on top of the framework. Apache Karaf can be scaled from a very lightweight container to a fully features enterprise

# Apache Karaf Cave 4.x - Documentation Apache Software Foundation Apache Karaf Cave 4.x - Documentation Overview User Guide 1. Installation 1.1. Pre-installation requirements 1.2. Registration Registration of the Apache Karaf Cave features 1.3. Starting Apache Karaf Cave Server 2. Repository 2.1. Create 2.2. List 3. Populate repository 3.1. Upload a single artifact 3.2. Populate from an external access 6. Maven wrapper service 7. Administration 7.1.JMX 7.2. REST ## Overview Apache Karaf Cave is an Apache Karaf sub-project. Cave is an implementation of the OSGi Repository specification, providing

### Apache Karaf Decanter 1.x - Documentation Apache Software Foundation Apache Karaf Decanter 1.x - Documentation 1. User Guide 1.1. Introduction 1.2. Collectors 1.2.1. Log 4. Custom SLA Alerter ### 1. User Guide #### 1.1. Introduction Apache Karaf Decanter is monitoring solution running in Apache Karaf. It’s composed in three parts: - Collectors are responsible of harvesting that you want. Apache Karaf Decanter provides Karaf features for each collector, appender, SLA alerter. The first thing to do is to add the Decanter features repository in Karaf: karaf@root()> feature:repo-add

# APACHE KARAF DECANTER 2.X - DOCUMENTATION Apache Software Foundation ### APACHE KARAF DECANTER 2.X - DOCUMENTATION 1. User Guide ..... 1 1.1. Introduction ..... 1 1.2. Collectors ..... 1 1.2 Custom Processor ..... 61 ### 1. USER GUIDE #### 1.1. INTRODUCTION Apache Karaf Decanter is a monitoring solution running in Apache Karaf. It’s composed of three parts: - Collectors are responsible for that you want. Apache Karaf Decanter provides Karaf features for each collector, appender, alerter. The first thing to do is to add the Decanter features repository in Karaf: karaf@root()> feature:repo-add

# Apache Karaf Cave 3.x - Documentation Apache Software Foundation Apache Karaf Cave 3.x - Documentation Overview User Guide 1. Installation 1.1. Pre-installation requirements 1.2. Registration Registration of the Apache Karaf Cave features 1.3. Starting Apache Karaf Cave Server 2. Repository 2.1. Create 2.2. List 2.3. Repository and OBR service 2.4. Destroy 2.5. What's next 3. Populate repository bundles access 7. Administration ## Overview Apache Karaf Cave is an Apache Karaf sub-project. It provides an OSGi Bundle Repository (OBR) and Karaf Features Repository (KFR). OBR provides a service

### Apache Karaf Container 4.x - Documentation Apache Software Foundation Apache Karaf Container 4.x - Documentation 1. Overview 2. Quick Start 2.1. Prerequisites 2.2. Start the server 2 and uninstalling the sample application 2.6. Stopping Karaf 2.7. Cleaning the Karaf state 2.8. Summary 3. Update Notes (from Karaf 3.x to 4.x versions) 3.1. Distributions 3.2. Commands Update guide 4. User Guide 4.1. Installation 4.1.1. Requirements 4.1.2. Using Apache Karaf binary distributions 4.1.3. Post-Installation steps 4.1.4. Building from Sources

## 分布式KV存储Cellar演进之路 ## 美团点评·基础架构 齐泽斌 ## 促进软件开发领域知识与创新的传播  关注InfoQ官方信息 及时获取QCon软件开发者大会演讲视频信息 ![Image](/uploads/doc 美团点评基础架构部，存储研发团队负责人 • Cellar：分布式KV存储服务 • Databus：数据库变更实时传输服务 • Venus：图片服务 ## 11 年毕业于天津大学 11 年到 14 年任职于百度，负责分布式文件系统和 KV 存储系统研发 有多年分布式存储研发经验 ## 目录 - Cellar起源 - 中心节点架构演进 - 节点高可用和异地容灾 - 服务可用性提升 - Cellar规划 ## ## 目录 - Cellar起源 - 中心节点架构演进 - 节点高可用和异地容灾 - 服务可用性提升 - Cellar规划 ## Cellar起源 Cellar，英文原意是酒窖，项目取名Cellar，一方面借用其储藏之意，同时，也希望使用Cellar的用户，可以像用酒窖藏酒一样，越存越香。 ## Cellar起源 • 14年初 美团引入阿里Tair作为NoSQL存储 • 14年底

The Apache Software Foundation Wicket 10.x Reference Guide ## Table of Contents 1. Introduction ..... 1 2. How to use the example code ..... 2 3. Why should I learn Wicket? ..... 3 3.1. We all wicketstuff-lambda-components ..... 321 Appendix C: Lost In Redirection With Apache Wicket ..... 322 Appendix D: Working with Karaf ..... 327 D.1. Wicket feature ..... 327 Appendix E: Contributing to guide ..... 329 ### Chapter 1. Introduction Wicket has been around since 2004 and it has been an Apache project since 2007. During these years it has proved to be a solid and valuable solution for building