Siddharth Wagle created AMBARI-16695:
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Summary: HDFS Alerts: add minimum values to AMS alerts
Key: AMBARI-16695
URL: https://issues.apache.org/jira/browse/AMBARI-16695
Project: Ambari
Issue Type: Improvement
Reporter: Siddharth Wagle
Assignee: Siddharth Wagle
There are new HDFS alerts that watch growth rates. Some (like RPC) have
"minimum" values, meaning we ignore growth until we are past a certain value
(like latency in seconds).
There are a few other alerts that I think also need minimums. Or maybe need
higher warning thresholds. Or both...
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NameNode Heap Usage (Daily) increase_nn_heap_usage_daily
I'm getting these WARNINGS with a Heap of < 100MB.
{code}
The variance for this alert is 25MB which is 30% of the 82MB average (16MB is
the limit).
{code}
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HDFS Storage Capacity Usage (Weekly)
namenode_increase_in_storage_capacity_usage_weekly
I'm getting these WARNINGS when only using such a small amount of storage...
{code}
The variance for this alert is 21,328B which is 20% of the 107,758B average
(10,776B is the limit)
{code}
Here is what is used...
{code}
Disk Usage (DFS Used) 112.0 KB / 428.1 GB (0.00%)
Disk Usage (Non DFS Used) 32.0 GB / 428.1 GB (7.47%)
{code}
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