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From "Amit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-1849) DataStore GC support for heterogeneous deployments using a shared datastore
Date Thu, 05 Jun 2014 10:38:01 GMT

    [ https://issues.apache.org/jira/browse/OAK-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14018660#comment-14018660
] 

Amit Jain commented on OAK-1849:
--------------------------------

+1
Yeah, the above approach should be reasonably fast for the FileDataStore.

So, 'root directory' can be extrapolated to a different logical collection for the respective
DataStores like a different bucket for S3DataStore and if we need to support MongoBlobStore
then a different collection in mongo.



> DataStore GC support for heterogeneous deployments using a shared datastore
> ---------------------------------------------------------------------------
>
>                 Key: OAK-1849
>                 URL: https://issues.apache.org/jira/browse/OAK-1849
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>            Reporter: Amit Jain
>
> If the deployment is such that there are 2 or more different instances with a shared
datastore, triggering Datastore GC from one instance will result in blobs used by another
instance getting deleted, causing data loss.



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