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https://issues.apache.org/jira/browse/IGNITE-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15906476#comment-15906476
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Kartik Somani commented on IGNITE-4797:
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[My First Bug]
The approach that I see is, I'll add the interface for getSystemAllocatedSize()
to the CacheMetrics and CacheMetricsMxBean Interface. In CacheMetricsImpl, I'll
use GridCacheContext object (cctx) object to get and return the
systemAllocatedSize using : cctx.unsafeMemory.systemAllocatedSize().
CacheLocalMetricsMxBean will then call cache.metrics0.getSystemAllocatedSize()
to return the metric.
Will this work?
> Need to expose offheap memory allocated size metric for internal data
> structures
> --------------------------------------------------------------------------------
>
> Key: IGNITE-4797
> URL: https://issues.apache.org/jira/browse/IGNITE-4797
> Project: Ignite
> Issue Type: Improvement
> Reporter: Andrey Gura
> Assignee: Kartik Somani
> Labels: newbie
> Fix For: 2.0
>
>
> Offheap caches expose offheap memory allocated size via
> {{CacheMetricsMXBean.getOffHeapAllocatedSize()}}. But this metric doesn't
> take into account offheap memory that allocated for internal data structures
> (GridUnsafeMap and LRU eviction policy).
> However Ignite collects this metric (see
> GridUnsafeMemory.systemAllocatedSize() method).
> Need to expose this metric via {{CacheMetricsMXBean}}.
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