Re: Review Request 71565: RANGER-2589 : Introduce Ranger API to return Ranger's JVM resource status metric

[Fatima Khan]

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/71565/
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(Updated Oct. 7, 2019, 5:47 p.m.)


Review request for ranger, Ankita Sinha, Gautam Borad, Abhay Kulkarni, Madhan 
Neethiraj, Mehul Parikh, Nikhil P, Pradeep Agrawal, Ramesh Mani, and Selvamohan 
Neethiraj.


Bugs: RANGER-2589
    https://issues.apache.org/jira/browse/RANGER-2589


Repository: ranger


Description
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Important JVM attributes can be returned via Ranger REST API : 

heap memory usage
GC time
# of open threads
# of open file descriptors


Diffs
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  agents-common/src/main/java/org/apache/ranger/plugin/model/RangerMetrics.java 
PRE-CREATION 
  security-admin/src/main/java/org/apache/ranger/rest/MetricsREST.java 
PRE-CREATION 
  security-admin/src/main/java/org/apache/ranger/util/RangerMetricsUtil.java 
PRE-CREATION 
  security-admin/src/main/resources/conf.dist/security-applicationContext.xml 
672d4a6 


Diff: https://reviews.apache.org/r/71565/diff/6/


Testing (updated)
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Getting the desired json
{
  "data": {
    "jvm": {
      "os.spec": "Linux, amd64, 4.15.0-65-generic",
      "os.vcpus": "4",
      "memory": {
        "heapInit": "1073741824",
        "heapMax": "1024983040",
        "heapCommitted": "1024983040",
        "heapUsed": "284762328",
        "nonHeapInit": "2555904",
        "nonHeapMax": "662700032",
        "nonHeapCommitted": "102694912",
        "nonHeapUsed": "98983000",
        "memory_pool_usages": {
          "PS Eden Space": {
            "init": 268435456,
            "used": 246715792,
            "committed": 260046848,
            "max": 261619712
          },
          "PS Survivor Space": {
            "init": 44564480,
            "used": 30075104,
            "committed": 48758784,
            "max": 48758784
          },
          "PS Old Gen": {
            "init": 716177408,
            "used": 7971432,
            "committed": 716177408,
            "max": 716177408
          }
        }
      }
    },
    "vm": {
      "JVM Machine Actual Name": "OpenJDK 64-Bit Server VM",
      "version": "25.222-b10",
      "JVM Machine Representation Name": "15526@fipl5",
      "Up time of JVM": 10414,
      "JVM Vendor Name": "Private Build"
    }
  }
}


Thanks,

Fatima Khan