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From "Thomas Mueller (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (OAK-9052) Reindexing using --doc-traversal-mode may need a lot of memory
Date Tue, 05 May 2020 16:10:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-9052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Thomas Mueller reassigned OAK-9052:

    Assignee: Thomas Mueller

> Reindexing using --doc-traversal-mode may need a lot of memory
> --------------------------------------------------------------
>                 Key: OAK-9052
>                 URL: https://issues.apache.org/jira/browse/OAK-9052
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: indexing, mongomk
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>            Priority: Major
> Indexing using oak-run and --doc-traversal-mode uses the FlatFileStore. For aggregation,
there is a limit on memory usage, by default around 100 MB. Depending on the content structure,
this limit can be exceeded. 
> It would be good to find a way to avoid a memory limit, for example using a temporary
storage (a file, or a persistent key/value store).

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