MarkLogic supports XQuery and JavaScript as native languages. XQuery is a very natural way to work with XML, just as JavaScript is a very natural way to work with JSON. However, sometimes it’s useful to cross over and work with JSON using XQuery or vice versa. This post has some tips on using XQuery to […]
MarkLogic is both a database and a search engine. Sometimes, you know you only want one result from your search. What’s a good way to do that? Using MarkLogic’s Server-side JavaScript, here’s one way to do it: const query = …; // foreshadowing — there’s a better way! cts.search(query).toArray().slice(0, 1) We get the results of […]
In NiFi, FlowFiles are pieces of data that a processor needs to work on. In this case, NiFi is calling a MarkLogic query for each FlowFile. The metric shown in the graph is FlowFiles processed by NiFi over 5 minute intervals. There are peaks around 16,000, but mostly lower, which wasn’t the throughput I needed. […]
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