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From "Karl Wright (JIRA)" <>
Subject [jira] [Commented] (CONNECTORS-1489) ManifoldCF stops running with GC Overhead Limit Exceeded
Date Sat, 05 May 2018 10:10:00 GMT


Karl Wright commented on CONNECTORS-1489:

Hi [~shashank.raj], this is actually a result of your setup, and is not a bug with ManifoldCF.

You need to be aware of the following things when sizing the agents process:
(1) If you are not using the extracting update handler, the ENTIRE document is fetched into
(2) This can occur at the same time for every worker thread.
(3) In order to size your JVM properly with your configuration, you must therefore multiply
the number of worker threads by the document maximum size (as you configure in your Solr connection),
and add 100MB for overhead.


> ManifoldCF stops running with GC Overhead Limit Exceeded
> --------------------------------------------------------
>                 Key: CONNECTORS-1489
>                 URL:
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Lucene/SOLR connector
>    Affects Versions: ManifoldCF 2.9.1
>            Reporter: Shashank Raj
>            Assignee: Karl Wright
>            Priority: Critical
> Hello Karl,
> GC Overhead heap error occurs each time and tomcat closes. Heap allocated is 7Gb(Xmx).
Is there any other reason this issue is coming up? I am using ManifoldCF's tika. 
> I have Unchecked "Use Update Extract" and max doc size as 50mb.

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