Sunday, February 4, 2018

Collecting jstat data





The jstat utility uses the built-in instrumentation in the Java HotSpot VM to provide information about performance and resource consumption of running applications.

The tool can be used when diagnosing performance issues, and in particular issues related to heap sizing and garbage collection.

Syntax:
```
$ jstat -gc   <PID>
```

Example:


Here Column names are defined as below.