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From "Jonathan Hurley (JIRA)" <>
Subject [jira] [Commented] (AMBARI-6780) SOURCE and SINK metrics not working on host-component
Date Thu, 07 Aug 2014 20:29:13 GMT


Jonathan Hurley commented on AMBARI-6780:

The heart of the problem was the metrics regex and matching. Things that were being done wrong:

- Creating categories from a given property ID (incorrect category creation when regex/methods
were present)
- Searching using startsWith or contains(...) when a regular expression was needed
- Not matching all potential subproperties when retrieving the metrics to request

We never saw these issues in YARN because of:
- There were no metrics with the same name defined both with and without regular expressions
- Luck; the patterns being matched on appears first, and thus the startsWith(...) was working

> SOURCE and SINK metrics not working on host-component
> -----------------------------------------------------
>                 Key: AMBARI-6780
>                 URL:
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 1.7.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 1.7.0
> Flume service UI is not able to show SOURCE and SINK metrics for an agent because the
following API call is not working.
> {code}
> http://flume-1:8080/api/v1/clusters/c1/hosts/flume-3.c.pramod-thangali.internal/host_components/FLUME_HANDLER?fields=metrics/flume/flume/SINK/*
> {code}
> {code}
> http://flume-1:8080/api/v1/clusters/c1/hosts/flume-3.c.pramod-thangali.internal/host_components/FLUME_HANDLER?fields=metrics/flume/flume/SOURCE/*
> {code}
> However the CHANNEL one works
> {code}
> http://flume-1:8080/api/v1/clusters/c1/hosts/flume-3.c.pramod-thangali.internal/host_components/FLUME_HANDLER?fields=metrics/flume/flume/CHANNEL/*
> {code}

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