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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-535) MergeCommand reads complete tree into memory
Date Mon, 14 Jan 2013 10:56:12 GMT

    [ https://issues.apache.org/jira/browse/OAK-535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552571#comment-13552571
] 

Marcel Reutegger commented on OAK-535:
--------------------------------------

Please note that the diff aggregation is pretty quick'n'dirty and creates a very verbose diff
with absolute paths for every diff operation.
                
> MergeCommand reads complete tree into memory
> --------------------------------------------
>
>                 Key: OAK-535
>                 URL: https://issues.apache.org/jira/browse/OAK-535
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: mongomk
>    Affects Versions: 0.5
>            Reporter: Marcel Reutegger
>         Attachments: mergefixattempt.patch, OAK-535.patch
>
>
> Merging commits to a branch back to head in MongoMK calls MergeCommand, which reads the
complete tree into memory. The more content is in the repository, the longer it takes to store
even a simple update as a property change.

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