$Splunk(SPLK)$ As a product, splunk is definitely a set of solutions behind it, so what problem does splunk solve? Splunk is a big data platform, the core is log analysis. From unstructured data, from massive data to medium, we can use splunk to quickly search and locate relevant information, and analyze and process it in time, then to decision makers. Passing information quickly, this is his value. This is also why many large companies are willing to spend more money on splunk products, rather than looking for this relatively low-quality benchmark open source products. It can solve five major problems. One is how to avoid IT's critical service downtime. The other is that our application is in the process of running. There is always something unsatisfactory. Then we need to find out where the unsatisfactory place is, and then Improve it, the third is security and anti-fraud, this includes various security detection, anti-fraud is also in the security category, the fourth is business analysis, through log analysis to improve service value, to obtain higher returns, the fifth is to monitor and analyze everything Interconnected terminals.