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From "Alexand Polyakov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6564) Incorrect calculation size and keySize for cluster cache metrics
Date Thu, 27 Dec 2018 03:33:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16729298#comment-16729298
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Alexand Polyakov commented on IGNITE-6564:
------------------------------------------

left three open questions
* are the counters correctly evaluated in CacheMetricsEntitiesCountTest
||Cache||Size||offHeapEntriesCnt||offHeapPrimaryEntriesCnt||offHeapBackupEntriesCnt||heapEntriesCnt||
|CacheMode = REPLICATED|cacheSize|cacheSize * GRID_CNT|cacheSize|cacheSize * (GRID_CNT - 1)|0|
|CacheMode = PARTITIONED, Backups = 1|cacheSize|cacheSize * 2|cacheSize|cacheSize|0|
|CacheMode = PARTITIONED, Backups = 1, NearCache|cacheSize|cacheSize * 2|cacheSize|cacheSize|216|
|CacheMode = LOCAL|cacheSize|cacheSize|cacheSize|0|0|

* how to calculate heapsize for NearCache, set the value obtained empirically 216
* how the assessment is carried out in the checkCache method (clarification is needed, since
the calculated and actual figures differ from the theoretical ones)

> Incorrect calculation size and keySize for cluster cache metrics
> ----------------------------------------------------------------
>
>                 Key: IGNITE-6564
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6564
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.2
>            Reporter: Ilya Kasnacheev
>            Assignee: Alexand Polyakov
>            Priority: Minor
>              Labels: iep-6
>
> They are currently not passed by ring and therefore only taken from current node, which
returns incorrect (local) value.
> See CacheMetricsSnapshot class.



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