In computing, a log file is a file that records either events that occur in an operating system or other software runs, or messages between different users of a communication software. Logging is the act of keeping a log. In the simplest case, messages are written to a single log file. Source: Wikipedia
Used to transport and aggregate our metrics from each system into our destination. This destination could be a file or a database or something else. Logstash works on a system of plugins for input, filtering and output. In this case, our input is Collectd and out output is Elasticsearch.
Sumo Logic simplifies how you collect and analyze machine data so that you can gain deep visibility across your full application and infrastructure stack. With the Sumo Logic service, you can accelerate modern application delivery, monitor and troubleshoot in real time and improve your security and compliance posture.
Cloud Event Management can receive events from various monitoring sources, either on premise or in the cloud. Events indicate that something has happened on an application, service, or another monitored object.
IBM Cloud Log Analysis is deprecated. As of 30 April 2019, you cannot provision new Log Analysis instances, and all Lite plan instances are deleted. Existing premium plan instances are supported until 30 September 2019. To continue managing system and application logs in IBM Cloud, set up IBM Log Analysis with LogDNA.