[jira] [Reopened] (IGNITE-5124) MemoryMetrics API Improvements

["Pavel Tupitsyn (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-5124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel Tupitsyn reopened IGNITE-5124:
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      Assignee: Pavel Tupitsyn  (was: Sergey Chugunov)

> MemoryMetrics API Improvements
> ------------------------------
>
>                 Key: IGNITE-5124
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5124
>             Project: Ignite
>          Issue Type: Task
>          Components: general
>            Reporter: Denis Magda
>            Assignee: Pavel Tupitsyn
>              Labels: important
>             Fix For: 2.1
>
>
> * Ignite.memoryMetrics() returns a collection of metrics. However, it’s unclear what exactly the collection includes. Is every element of the collection is a latest snapshot of a specific memory region defined by memory policy and the the total size of the collection is equal to the total number of such regions configured on a node? This has to be clarified in java doc before 2.0 release.
> * I would have Ignite.memoryMetrics(name) methods that will return the metrics for a concrete region configured by memory policy. It’s fine to add the method under 2.1 (create a ticket).
> * I would add “setRateInterval” and “setSubIntervals” methods to MemoryPolicyConfiguration because now I have to get a JMX bean if to want to change the parameter. Again, feel free do this under 2.0 or move to 2.1 if there is no time for that.
> Original discussion: http://apache-ignite-developers.2346864.n4.nabble.com/MemoryMetrics-interface-inconsistencies-td17156.html



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