August 2019
Intermediate to advanced
256 pages
6h 43m
English
book
Hands-On Enterprise Java Microservices with Eclipse MicroProfile
by Cesar Saavedra, Heiko W. Rupp, Jeff Mesnil, Pavol Loffay, Antoine Sabot-Durand, Scott Stark
Content preview from Hands-On Enterprise Java Microservices with Eclipse MicroProfile
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Meter
A meter measures the rate at which the decorated method is called over time. For a JAX-RS endpoint, this would be the number of requests per second. Meters can be declared via an annotation:
@GET@Path("/m")@Metered(absolute = true)public String getMetered() { return "Metered called";}
When a client requests the data from the meter, the server supplies the mean rate, as well as one-, five-, and fifteen-minute moving averages. The latter may be familiar to some readers from the Unix/Linux uptime command.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.