MetricsCollector

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

JmxMetricsCollector, SigarMetricsCollector
```
public interface MetricsCollector
extends java.io.Closeable
```
Metrics sampler.
Implementations of cluster system metrics collectors extend this trait.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  NodeMetrics sample()
  Samples and collects new data points.
  - Methods inherited from interface java.io.Closeable
    close

- Method Detail
  - sample
```
NodeMetrics sample()
```
    Samples and collects new data points. This method is invoked periodically and should return current metrics for this node.