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Posted to oak-issues@jackrabbit.apache.org by "Amit Jain (JIRA)" <ji...@apache.org> on 2016/07/26 05:43:20 UTC

[jira] [Commented] (OAK-4598) Collection of references retrieves less when large number of blobs added

    [ https://issues.apache.org/jira/browse/OAK-4598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15393267#comment-15393267 ] 

Amit Jain commented on OAK-4598:
--------------------------------

Added an ignored test with http://svn.apache.org/viewvc?rev=1754070&view=rev
Adding 30000 blobs and retrieving those references fail.

> Collection of references retrieves less when large number of blobs added
> ------------------------------------------------------------------------
>
>                 Key: OAK-4598
>                 URL: https://issues.apache.org/jira/browse/OAK-4598
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar
>            Reporter: Amit Jain
>
> When large number of external blobs are added to the DataStore (50000) and a cycle of compaction executed then the reference collection logic only returns lesser number of blob references. It reports correct number of blob references when number of blobs added are less indicatingsome sort of overflow.
> Another related issue observed when testing with lesser number of blobs is that the references returned are double the amount expected, so maybe there should be some sort of de-duplication which should be added.
> Without compaction the blob references are returned correctly atleast till 100000 (ExternalBlobId#testNullBlobId)



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