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https://issues.apache.org/jira/browse/OAK-4789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra reassigned OAK-4789:
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Assignee: Chetan Mehrotra
> SegmentBlob should return null contentIdentity for inlined blobs
> ----------------------------------------------------------------
>
> Key: OAK-4789
> URL: https://issues.apache.org/jira/browse/OAK-4789
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar, segmentmk
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Priority: Minor
> Fix For: 1.6
>
>
> When a external BlobStore is configured with SegmentNodeStore then blob can
> exist in 3 forms
> # Blob inlined in segment storage - If blob length is <= 16512 then blob
> would be inlined in segment store
> # Blob inlined in BlobStore - Most BlobStore implementation also support
> inlining of blob content as part of blobId if the size is less than certain
> threshold. For {{FileDataStore}} this is determined by {{minRecordLength}}.
> If this is less than #1 then such a case would not happen
> # Blob whose content are stored in BlobStore without inlining
> Currently {{SegmentBlob}} returns recordId for {{getContentIdentity}} call
> for inlined blobs. This would cause this value to change if same blob is
> stored in a different segmentstore. As discussed
> [here|https://issues.apache.org/jira/browse/OAK-4712?focusedCommentId=15476477&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15476477]
> this causes ambiguity in certain cases.
> Given that {{getContentIdentity}} can return null it would be better if
> SegmentBlob returns null for inlined blob.
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