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https://issues.apache.org/jira/browse/IGNITE-6903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16290738#comment-16290738
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Vladimir Ozerov commented on IGNITE-6903:
-----------------------------------------

[~NIzhikov], 
There are two types of indexes in Ignite - one is so-called "primary index" or 
"hash index". It is stored in partitions files. Second type - SQL indexes. They 
are stored in "index.bin". For this reason, using 
{{PageIdAllocator.INDEX_PARTITION}} is wrong approach because you log only some 
indexes. 
And from user perspective it would be much more important to track statistics 
of individual indexes, rather than mixed statistics from multiple indexes and 
multible tables/caches/groups.

> Implement new JMX metrics for Indexing
> --------------------------------------
>
>                 Key: IGNITE-6903
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6903
>             Project: Ignite
>          Issue Type: New Feature
>            Reporter: Anton Vinogradov
>            Assignee: Nikolay Izhikov
>            Priority: Critical
>              Labels: iep-6, important
>             Fix For: 2.4
>
>
> These additional metrics and methods should be implemented:
> - Space occupied by indexes.



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