Splunk offers amazing capabilities of monitoring, analyzing and visualizing data at large scale. Splunk provides the ability to ingest large amounts of data and extract useful information from them. It uses this information for creating dashboards, panels, reports and alerts, and has the inbuilt ability to extract any type of logs of websites, devices, APIs, sensors in any format like CSV, JSON, XML, etc. which can be static or real-time data. There are many useful features available in Splunk, some of which are mentioned below:
Monitoring: Splunk allows you to monitor terabytes of data. It provides a powerful SPL (Search Processing Language) to monitor huge log files and extract fields of interest from them. You can forward data from different devices, ingest data into your Splunk, and monitor that data in real-time.
Alerts: Splunk provides an alert mechanism to intimate users about critical events and sends those alerts via email, message or other such options. Splunk even allows to define customized alert actions.
Search: Splunk offers the ability to apply free-form searches and investigate log files, raw events, and statistical information using its SPL and eventually convert the results into charts.
Report: Splunk allows users to easily create real-time reports that can be scheduled to run at any pre-defined intervals and these reports can be shared with other users.
Dashboards and Visualizations: Splunk offers powerful capabilities to rich dashboards and visualization that helps consolidate data from various reports to portray a particular use case with drill-down capability. Splunk provides support for using JavaScript for custom visualizations and 3rd party JavaScript libraries for dashboards.