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Full-Text Search is one of those tools people use every day without realizing it. If you ever googled "golang coverage report" or tried to find "indoor wireless camera" on an e-commerce website, you used some kind of full-text search. Full-Text Search (FTS) is a technique for searching text in a collection of documents. A document can refer to a web page, a newspaper article, an email message, or

Note This post was updated on 2016-08-13: added python-rapidjson; updated simplejson and ujson. A couple of weeks ago after spending some time with Python profiler, I discovered that Python’s json module is not as fast as I expected. I decided to benchmark alternative JSON libraries. Libraries # json simplejson 3.8.2 ujson 1.35 python-rapidjson 0.0.6 python-cjson, yajl-py and jsonlib are not inclu

Note This post was updated on 2021-04-25. Go has a powerful built-in profiler that supports CPU, memory, goroutine and block (contention) profiling. Enabling the profiler # Go provides a low-level profiling API runtime/pprof, but if you are developing a long-running service, it's more convenient to work with a high-level net/http/pprof package. All you need to enable the profiler is to import net/