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From "Amit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-4598) Collection of references retrieves less when large number of blobs added
Date Tue, 26 Jul 2016 05:43:20 GMT

    [ 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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