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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15518) Add Per-Table metrics back
Date Mon, 13 Nov 2017 22:05:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250329#comment-16250329
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Hudson commented on HBASE-15518:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-2.0 #848 (See [https://builds.apache.org/job/HBase-2.0/848/])
HBASE-19244 Fix simple typos in HBASE-15518 descriptions (Clay B.) (tedyu: rev 31287d8931c8e1f3c92806a688d2c3ff6cfd5f7e)
* (edit) hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsTableSource.java


> Add Per-Table metrics back
> --------------------------
>
>                 Key: HBASE-15518
>                 URL: https://issues.apache.org/jira/browse/HBASE-15518
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Enis Soztutar
>            Assignee: Alicia Ying Shu
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15518-v1.patch, HBASE-15518-v2.patch, HBASE-15518-v3.patch
>
>
> We used to have per-table metrics, but it was removed in some restructuring. We have
per-region metrics, and per-regionserver metrics, but nothing in between. 
> For majority of users, per-region is too granular, they are mostly interested in table
level aggregates. This is especially useful in multi-tenant cases where a table's disk usage,
number of requests, etc can be made much more visible. 
> In this jira, we'll add the basic infrastructure to add a single (or a few) per-table
metrics. Than we can improve on that by adding remaining metrics from the region server level.

> The plan is to NOT aggregate per-table metrics at master for now. Just aggregation of
per-region metrics at the per-table level for every regionserver. 



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