The most helpful thing is the open source big data engine, heps to process and serve large scale data in real time with very low latency time. Its content recommendations are very useful for the modern day real-time analysis. Also, it is more flexible and scalable with advanced query techniques which makes it more easy to use. Review collected by and hosted on G2.com.
Integrating vespa with existing systems and workflows can be challenging, particularly if systems were based on different technologies. Documentation and customer support for an open source is not at the top notch when compared to the real time products. Since it is highly specialized it may overkill for simpler applications with less demanding requirements. Review collected by and hosted on G2.com.