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From Tamás Cservenák (JIRA) <>
Subject [jira] Closed: (MINDEXER-18) Indexer is OOM prone while indexing large ZIP files
Date Wed, 30 Mar 2011 10:12:22 GMT


Tamás Cservenák closed MINDEXER-18.

    Resolution: Fixed

Fixed in rev1086891 and rev1086892

> Indexer is OOM prone while indexing large ZIP files
> ---------------------------------------------------
>                 Key: MINDEXER-18
>                 URL:
>             Project: Maven Indexer
>          Issue Type: Improvement
>    Affects Versions: 4.0.0
>            Reporter: Tamás Cservenák
>            Assignee: Tamás Cservenák
>             Fix For: 4.1.0
> Indexer is OOM prone while indexing large ZIP files.
> Users reported that indexer tends to OOM while indexing huge (400MB+) WAR and other ZIP
packed files.
> This is most likely related to JVM NIO bug:
> Doing ZIP bencharks, searching for alternative ZIP solutions
> More details:
> Solution: Indexer accesses ZIP files over newly introduced ZipFacade, not directly using
Java's ZipFile anymore. This facade "decides" what implementation should be used. Benchmarking
showed Java's ZipFile as the fastest one, but is OOM prone.
> Next one by speed is TrueZip, but is slower since it's pure java.
> The facade on ZIP files bigger than 100MB will use TrueZip, and on smaller Java's ZIP
solution, the threshold is configurable. See NEXUS-4100 for more.

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