Siddharth Wagle created AMBARI-3178:
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Summary: Incorrect HDFS Garbage Collection Time on "Heatmap"
Key: AMBARI-3178
URL: https://issues.apache.org/jira/browse/AMBARI-3178
Project: Ambari
Issue Type: Bug
Components: controller
Affects Versions: 1.4.1
Reporter: Siddharth Wagle
Assignee: Siddharth Wagle
Fix For: 1.4.1
Attachments: AMBARI-3178.patch
Precondition: hadoop is installed with default settings.
Steps:
1. Go to "Heatmaps" page.
2. Select "HDFS Garbage Collection Time" metric
Result:
Random hosts indicate large HDFS Garbage Collection Time(more than 1d).
JMX value of GcTimeMillis is normal.
API call:
{code}
http://<ambari-server-host>:8080/api/v1/clusters/c1/services/HDFS/components/DATANODE?fields=host_components/metrics/jvm/gcTimeMillis&_=1378849540894
{code}
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