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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (OAK-8066) Nodes with many direct children can lead to OOME when saving
Date Mon, 15 Apr 2019 09:20:13 GMT

     [ https://issues.apache.org/jira/browse/OAK-8066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davide Giannella closed OAK-8066.
---------------------------------

bulk close 1.12.0

> Nodes with many direct children can lead to OOME when saving
> ------------------------------------------------------------
>
>                 Key: OAK-8066
>                 URL: https://issues.apache.org/jira/browse/OAK-8066
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>            Priority: Major
>              Labels: TarMK
>             Fix For: 1.12.0
>
>
> {{DefaultSegmentWriter}} keeps a map of [child nodes|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/DefaultSegmentWriter.java#L805]
of a node being written. This can lead to high memory consumption in the case where many child
nodes are added at the same time. The latter could happen in the case where a node needs to
be rewritten because of an increase in the GC generation from a concurrently completed revision
garbage collection.



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