To learn more about Prometheus's query language, including how to do compute percentiles from histograms, how to deal with timestamp-based metrics, or how to query for service instance health, head on to How To Query Prometheus on Ubuntu 14.04 Part 2.
Fungus gnats are not at all harmful to people or pets. However, when you begin to find them swarming plants in the house or greenhouse, it's time to get rid of the fungus gnats. First things first, make sure fungus gnats are the real culprit; they are often confused with fruit flies. Fungus gnats look like small mosquitoes just 1/16 inch to 1/8 inch long.
Fungus Gnats. Adult fungus gnats are tiny, measuring no more than 1/8 in length. Fungus gnats have a very short lifespan. The adult female fungus gnat will lay up to 300 eggs in damp soil then in about a week or so, the adult male and female will die. During their life span, fungus gnats carry plant disease from one host plant to another, creating big problems for home gardeners.