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Thomas Mueller commented on OAK-5272:
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> But blobs from different DS, is that even happening in reality?
[~alexander.klimetschek] I agree it's probably not common, but I think it can
happen:
* when migrating from one DS to another (e.g. from FileDataStore to S3)
* when migrating from SHA-1 to SHA-256
* when using "multi-stage" DS (e.g. S3, plus Amazon Glacier)
While it is "rare", I think having a clear, fast solution would be better, so
that we have few exceptional cases.
> Expose BlobStore API to provide information whether blob id is content hashed
> -----------------------------------------------------------------------------
>
> Key: OAK-5272
> URL: https://issues.apache.org/jira/browse/OAK-5272
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: blob
> Reporter: Amit Jain
> Priority: Major
>
> As per discussion in OAK-5253 it's better to have some information from the
> BlobStore(s) whether the blob id can be solely relied upon for comparison.
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