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// Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0.
fn main() {
use std::thread;
use std::time::Duration;
use prometheus::Encoder;
// A default ProcessCollector is registered automatically.
let mut buffer = Vec::new();
let encoder = prometheus::TextEncoder::new();
for _ in 0..5 {
let metric_families = prometheus::gather();
encoder.encode(&metric_families, &mut buffer).unwrap();
// Output to the standard output.
println!("{}", String::from_utf8(buffer.clone()).unwrap());
buffer.clear();
thread::sleep(Duration::from_secs(1));
}
}
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