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https://issues.apache.org/jira/browse/AMBARI-5707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017422#comment-14017422
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Pradeep Gollakota commented on AMBARI-5707:
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I too agree that it may not be the best idea for Ambari to rebuild components
of the stack. However, I would like to see a pluggable architecture for
Metrics. For example, we use Datadog heavily, so it would be great if Ambari
could plug into our existing metrics infrastructure and pull graphs directly
from Datadog.
> Replace Ganglia with high performant and pluggable Metrics System
> -----------------------------------------------------------------
>
> Key: AMBARI-5707
> URL: https://issues.apache.org/jira/browse/AMBARI-5707
> Project: Ambari
> Issue Type: New Feature
> Components: agent, controller
> Affects Versions: 1.6.0
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Priority: Critical
> Attachments: MetricsSystemArch.png
>
>
> Ambari Metrics System
> - Ability to collect metrics from Hadoop and other Stack services
> - Ability to retain metrics at a high precision for a configurable time
> period (say 5 days)
> - Ability to automatically purge metrics after retention period
> - At collection time, provide clear integration point for external system
> (such as TSDB)
> - At purge time, provide clear integration point for metrics retention by
> external system
> - Should provide default options for external metrics retention (say “HDFS”)
> - Provide tools / utilities for analyzing metrics in retention system (say
> “Hive schema, Pig scripts, etc” that can be used with the default retention
> store “HDFS”)
> System Requirements
> - Must be portable and platform independent
> - Must not conflict with any existing metrics system (such as Ganglia)
> - Must not conflict with existing SNMP infra
> - Must not run as root
> - Must have HA story (no SPOF)
> Usage
> - Ability to obtain metrics from Ambari REST API (point in time and temporal)
> - Ability to view metric graphs in Ambari Web (currently, fixed)
> - Ability to configure custom metric graphs in Ambari Web (currently, we have
> metric graphs “fixed” into the UI)
> - Need to improve metric graph “navigation” in Ambari Web (currently, metric
> graphs do not allow navigation at arbitrary timeframes, but only at ganglia
> aggregation intervals)
> - Ability to “view cluster” at point in time (i.e. see all metrics at that
> point)
> - Ability to define metrics (and how + where to obtain) in Stack Definitions
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