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From "Alexey Goncharuk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6679) Clean up some deprecated cache metrics
Date Thu, 02 Nov 2017 14:04:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16235782#comment-16235782
] 

Alexey Goncharuk commented on IGNITE-6679:
------------------------------------------

Pavel is right, we cannot remove methods from the public API. The methods should be deprecated.
I would also return 0 from them rather than throwing an exception because this may break or
make inefficient monitoring tools attached to these metrics.

> Clean up some deprecated cache metrics 
> ---------------------------------------
>
>                 Key: IGNITE-6679
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6679
>             Project: Ignite
>          Issue Type: Improvement
>      Security Level: Public(Viewable by anyone) 
>          Components: cache
>            Reporter: Sergey Puchnin
>            Assignee: Amelchev Nikita
>              Labels: Newbie
>             Fix For: 2.4
>
>
> An old optimistic serializable mode implementation was removed in 2.0 but some cache
metrics still present in CacheMetrics interface. 
> Need to clean up and remove these metrics:
> *TxCommitQueueSize*
> *TxPrepareQueueSize*
> *TxStartVersionCountsSize*
> *TxDhtCommitQueueSize*
> *TxDhtPrepareQueueSize*
> *TxDhtStartVersionCountsSize*
> An algorithm for page eviction was changed and metric *DhtEvictQueueCurrentSize* should
be removed also.



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