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https://issues.apache.org/jira/browse/HDDS-710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16778779#comment-16778779
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Anu Engineer commented on HDDS-710:
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How about we do, Container ID = 44 bit, Local ID = 20 bit and 32 bit BCS ID
that would be a 64 + 32 = 96 bit for a block ID. That should be pretty good for
most use cases.
> Make Block Commit Sequence (BCS) opaque to clients
> --------------------------------------------------
>
> Key: HDDS-710
> URL: https://issues.apache.org/jira/browse/HDDS-710
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Client
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Priority: Critical
>
> An immutable block is identified by the following:
> - Container ID
> - Local Block ID
> - BCS (Block Commit Sequence ID)
> All of these values are currently exposed to the client. Instead we can have
> a composite block ID that hides these details from the client. A first
> thought is a naive implementation that generates a 192-bit (3x64-bit) block
> ID.
> Proposed by [~anu] in HDDS-676.
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