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From "Aleksey Plekhanov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6867) Implement new JMX metrics for topology monitoring
Date Fri, 01 Dec 2017 16:50:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274612#comment-16274612

Aleksey Plekhanov commented on IGNITE-6867:

# There are "cluster metrics" extend "local node metrics", not "cluster" extend "local node".
For metrics, inheritance seems right to me, since some cluster metrics senseless for local
# Node attribute value is {{Object}}. In the method {{groupNodes}} attribute value returned
without any transformation. But in the method {{countNodes}}, parameter for operation invoked
by jconsole will be {{String}} and it is better to be compared to {{String}} representation
of attribute value.
# This will not work. AFAIK, we can't use MXBean returned by operation, at least in jconsole.

> Implement new JMX metrics for topology monitoring
> -------------------------------------------------
>                 Key: IGNITE-6867
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6867
>             Project: Ignite
>          Issue Type: New Feature
>            Reporter: Aleksey Plekhanov
>            Assignee: Pavel Pereslegin
>              Labels: iep-6, jmx
>             Fix For: 2.4
> These additional metrics and methods should be implemented:
> * Current topology version
> * Total server nodes count
> * Total client nodes count
> * Method to count nodes filtered by some node attribute
> * Method to count nodes grouped by some node attribute
> There is already a ticket to implement first 2 metrics from this list (IGNITE-6844)

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