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From "Thejas M Nair (JIRA)" <>
Subject [jira] [Commented] (HIVE-13480) Add hadoop2 metrics reporter for Codahale metrics
Date Wed, 20 Apr 2016 01:35:25 GMT


Thejas M Nair commented on HIVE-13480:

I think we should look into setting the component automatically from HS2/metastore startup
code instead of setting it via a config.
But that can be a follow up task.

> Add hadoop2 metrics reporter for Codahale metrics
> -------------------------------------------------
>                 Key: HIVE-13480
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sushanth Sowmyan
>            Assignee: Sushanth Sowmyan
>         Attachments: HIVE-13480.2.patch, HIVE-13480.3.patch, HIVE-13480.patch
> Multiple other apache components allow sending metrics over to Hadoop2 metrics, which
allow for monitoring solutions like Ambari Metrics Server to work against that to show metrics
for components in one place. Our Codahale metrics works very well, so ideally, we would like
to bridge the two, to allow Codahale to add a Hadoop2 reporter that enables us to continue
to use Codahale metrics (i.e. not write another custom metrics impl) but report using Hadoop2.
> Apache Phoenix also had such a recent usecase and were in the process of adding in a
stub piece that allows this forwarding. We should use the same reporter to minimize redundancy
while pushing metrics to a centralized solution like Hadoop2 Metrics/AMS.

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