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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-2725) Make tika-server robust against ooms/infinite loops/memory leaks
Date Wed, 12 Sep 2018 00:10:00 GMT

    [ https://issues.apache.org/jira/browse/TIKA-2725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16611392#comment-16611392
] 

Hudson commented on TIKA-2725:
------------------------------

SUCCESS: Integrated in Jenkins build tika-branch-1x #85 (See [https://builds.apache.org/job/tika-branch-1x/85/])
TIKA-2725 -- first working draft...include commit with conflicts (tallison: [https://github.com/apache/tika/commit/3af35f17836c1c39f420e4cbe79b24fe7bca3ede])
* (edit) tika-server/src/main/java/org/apache/tika/server/resource/TikaResource.java


> Make tika-server robust against ooms/infinite loops/memory leaks
> ----------------------------------------------------------------
>
>                 Key: TIKA-2725
>                 URL: https://issues.apache.org/jira/browse/TIKA-2725
>             Project: Tika
>          Issue Type: Task
>            Reporter: Tim Allison
>            Assignee: Tim Allison
>            Priority: Major
>             Fix For: 1.19, 2.0.0
>
>
> Currently, tika-server is vulnerable to ooms, inifinite loops and memory leaks.  I see
two ways of making it robust:
> 1) use the ForkParser
> 2) have tika-server spawn a child process that actually runs the server, put a watcher
thread in the child that will kill the child on oom/timeout/after x files.  The parent process
can then restart the child if it dies. 
> I somewhat prefer 2) so that we don't have to doubly pass the inputstream.  I propose
2), and I propose making it optional in Tika 1.x, but then the default in Tika 2.x.  We could
also add a status ping from parent to child in case the child gets caught up in stop the world
gc (h/t [~bleskes]).
> Other options/recommendations?



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