hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Janos Gub (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17436) Add facility to provide more information for Other Regions seen on Master UI
Date Fri, 21 Apr 2017 12:47:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Janos Gub updated HBASE-17436:
    Attachment: initial.patch

Attaching initial patch. In short I introduced metrics classes for RegionStates, and I update
them from the AssignmentManager. In JMX each region's state is booked as a tag. I am not sure
if it is the best way to do this, e.g. if the metrics are read and the AssignmentManager is
deleting a region I think we can easily run into a ConcurrentModificationException. As an
alternative I was thinking about somehow propagating the state to the regions and make this
similar to the MetricsRegionAggregateSource. [~tedyu@apache.org] could you please share your

> Add facility to provide more information for Other Regions seen on Master UI
> ----------------------------------------------------------------------------
>                 Key: HBASE-17436
>                 URL: https://issues.apache.org/jira/browse/HBASE-17436
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Janos Gub
>              Labels: ui
>         Attachments: initial.patch
> [~rpednekar] and I were looking at a case where the count displayed under Other Regions
was high (~1200).
> Since the table page just maintains a count instead of List of region names, it is very
difficult for user to determine which regions belong to this category.
> We should provide facility to provide more details for this category (LOG, JMX, etc).

This message was sent by Atlassian JIRA

View raw message