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Posted to oak-issues@jackrabbit.apache.org by "Amit Jain (JIRA)" <ji...@apache.org> on 2016/12/08 10:26:59 UTC

[jira] [Created] (OAK-5253) Optimize AbstractBlob#equal to not do content equals when possible

Amit Jain created OAK-5253:
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             Summary: Optimize AbstractBlob#equal to not do content equals when possible
                 Key: OAK-5253
                 URL: https://issues.apache.org/jira/browse/OAK-5253
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: blob
            Reporter: Amit Jain
            Assignee: Amit Jain
             Fix For: 1.6, 1.5.16


AbstractBlob#equals tries to match content when length is equal and content identities is not null and different. Matching content triggers an expensive download of binaries for S3DataStore.
Since, right now the content identity is the content hash the check can be short -circuited when the content identities is not null and not equal to return false.

This can be revisited if we change the identity to something different.



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