Alibaba Cloud System Event is a functionality for Elastic Compute Service (ECS), which helps users to better understand the running status of an ECS instance. A system event is a scheduled and recorded maintenance event of ECS service. System events occur when updates, invalid operations, unexpected system failures, or unexpected hardware or software failures are detected on your ECS instance. Moreover, you will receive notification about the details of the event in the console when it occurs, including the event response plan and event cycle.
When an ECS user receives a notification from Alibaba Cloud, he or she can acknowledge the planned underlying maintenance for ECS instance by system event. The user can then choose the appropriate time window to execute the system event as well as operation activities according to individual business needs. By providing users this flexibility, users can reduce the impact on system reliability and business continuity.
Alibaba Cloud's System Event function for Elastic Compute Service (ECS) gives customers better control over their computing resources.
This blog describes the features of Alibaba Cloud System Event in detail:
There are many monitoring tools available in the market including, Nagios, Zabbix, Icinga and many more. But, all these tools are heavy and difficult to use for new users. Ganglia is an easy-to-use, free, open source and scalable distributed monitoring system that can be used for high-performance computing systems such as clusters and Grids. It uses XML for data representation, XDR for compact, portable data transport, and RRDtool for data storage and visualization. You can see live or recorded statistics of CPU load averages or network utilization for many servers. Ganglia has a built-in web interface that is optimized for mobile devices, and also allows you to export data in .csv and .json formats.
In this tutorial, we will learn how to install and configure Ganglia on an Alibaba Cloud Elastic Compute Service (ECS) Ubuntu 18.04 server.
Apache ActiveMQ is a free, open source message broker software written in Java. It is used for the communication between two distributed processes or applications that have different or incompatible languages. Apache ActiveMQ is designed for high-performance clustering and communication, and supports a wide range of language clients and protocols such as, Java, C, C++, Ruby and Python.
In this tutorial, we will learn how to install and configure Apache ActiveMQ on an Alibaba Cloud Elastic Compute Service (ECS) Ubuntu 18.04 server.
Alibaba Cloud Elastic Compute Service (ECS) provides fast memory and the latest Intel CPUs to help you to power your cloud applications and achieve faster results with low latency.
Deploy ECS instances with just a few clicks from the easy-to-use console and scale capacity up or down based on real-time demands.
The lifecycle of an ECS instance begins when the instance is created and ends when the instance is released. This topic describes the states that an ECS instance may go through during its lifecycle.
An ECS instance is the smallest unit that can provide compute capabilities and services for your business. Compute capabilities vary based on instance types. This topic describes available ECS instance families, including their features, specifications, and application scenarios.
ECS instances are categorized into different instance families based on their usage scenarios. Each instance family is divided into different instance types based on their CPU and memory specifications. ECS instance type defines the basic properties of an ECS instance, such as CPU, clock speed, and memory. In addition to the instance type, you must also configure the Elastic Block Storage (EBS) devices, image, and network type when you create an ECS instance.
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