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https://issues.apache.org/jira/browse/HDDS-14355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-14355:
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Summary: Allow OM to skip allocateBlock for zero-sized key (was: OM should
skip allocateBlock for zero-sized key)
> Allow OM to skip allocateBlock for zero-sized key
> -------------------------------------------------
>
> Key: HDDS-14355
> URL: https://issues.apache.org/jira/browse/HDDS-14355
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Ivan Andika
> Assignee: Ivan Andika
> Priority: Major
>
> Currently, it seems that OMKeyRequest#allocateBlock calls SCM's allocateBlock
> RPC even if the requested size is 0, we can skip this call since the
> allocateBlock is redundant.
> Test should validate that SCM allocateBlock should never be called when
> uploading a zero-sized key either by OMKeyCreateRequest or
> OMAllocateBlockRequest (from the BlockOutputStreamEntryPool#allocateNewBlock).
> This might be useful if we only want to test the write OM metadata
> performance without involving HDDS layer (i.e. SCM and DN).
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