It seems like a stream processing engine that uses a custom query language similar to SQL (well, even though the syntax doesn't look like SQL, the documentation

It seems like a stream processing engine that uses a custom query language similar to SQL (well, even though the syntax doesn't look like SQL, the documentation says so). The website is not helpful enough considering that your target audience is actually developers. "Run queries 100x to 1000x faster" doesn't mean anything.