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Posted to oak-issues@jackrabbit.apache.org by "Amit Jain (JIRA)" <ji...@apache.org> on 2016/06/06 05:44:59 UTC

[jira] [Updated] (OAK-4430) DataStoreBlobStore#getAllChunkIds fetches DataRecord when not needed

     [ https://issues.apache.org/jira/browse/OAK-4430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amit Jain updated OAK-4430:
---------------------------
    Summary: DataStoreBlobStore#getAllChunkIds fetches DataRecord when not needed  (was: DataStoreBlobStore#getAllChunkIds fetched DataRecord when not needed)

> DataStoreBlobStore#getAllChunkIds fetches DataRecord when not needed
> --------------------------------------------------------------------
>
>                 Key: OAK-4430
>                 URL: https://issues.apache.org/jira/browse/OAK-4430
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: blob
>            Reporter: Amit Jain
>            Assignee: Amit Jain
>              Labels: candidate_oak_1_0, candidate_oak_1_2, candidate_oak_1_4
>             Fix For: 1.5.3
>
>
> DataStoreBlobStore#getAllChunkIds loads the DataRecord for checking that the lastModifiedTime criteria is satisfied against the given {{maxLastModifiedTime}}. 
> When the {{maxLastModifiedTime}} has a value 0 it  effectively means ignore any last modified time check (and which is the only usage currently from MarkSweepGarbageCollector). This should ignore fetching the DataRecords as this can be very expensive for e.g on calls to S3 with millions of blobs.



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