![]() This ability to index your data such that it can be quickly and easily searched is one of Splunk’s strengths it is sometimes referred to as a search engine for machine data and it can help you understand the cause of faults, track availability, capacity and performance, manage configuration and security of your server elements, and so on. You can categorize events by type so you can start to work out when and how long your system spend processing certain categories of event, or what errors occur in relation to those events. An event might just be an error entry from a log file or the output from a performance metric, such as a perfmon counter. Each event has a timestamp, host, source, and source type. Raw data is parsed into “events” and stored in indexes, which are Splunk’s data repository, to make the raw data searchable and discoverable. Whatever data you need to collect, you’ll likely find an app or add-on that is preconfigured to collect it, or can configure it manually. Splunk data collectors gather the data from your data sources (logs, feeds, metrics, files and so on) across a range of different platforms, networks, servers, applications, databases and services. It also provides analytical and machine learning tools to help you understand how you need to respond, to improve the system. Splunk collects, parses, indexes and searches “big data”, or really any log data or machine data, including performance metrics, generated by the various parts of your infrastructure. However, Splunk offers a broad range of data collection and analysis tools so the intent of this brief section is to paint the SQL Server monitoring part into this bigger picture. This article tackles only Splunk’s SQL Server monitoring capabilities, what it covers and what, in my opinion, it misses. In this article I’ll explore how Splunk works to monitor SQL Server, explaining the metrics it gathers and making a case for why you will need to augment the capabilities of Splunk with SQL Monitor, a dedicated tool for SQL Server monitoring. Specifically, Splunk can be used to monitor SQL Server instances. One of the many capabilities of Splunk is real time monitoring of IT infrastructure.
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