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From "Bill Au (JIRA)" <>
Subject [jira] Commented: (SOLR-857) Memory Leak during the indexing of large xml files
Date Mon, 17 Nov 2008 03:04:49 GMT


Bill Au commented on SOLR-857:

HashMap$Entry is on top of your list there.  I would look for a large HashMap in the heap

> Memory Leak during the indexing of large xml files
> --------------------------------------------------
>                 Key: SOLR-857
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 1.3
>         Environment: Verified on Ubuntu 8.0.4 (1.7GB RAM, 2.4GHz dual core) and Windows
XP (2GB RAM, 2GHz pentium) both with a Java5 SDK
>            Reporter: Ruben Jimenez
>         Attachments:, schema.xml, solr256MBHeap.jpg
> While indexing a set of SOLR xml files that contain 5000 document adds within them and
are about 30MB each, SOLR 1.3 seems to continually use more and more memory until the heap
is exhausted, while the same files are indexed without issue with SOLR 1.2.
> Steps used to reproduce.
> 1 - Download SOLR 1.3
> 2 - Modify example schema.xml to match fields required
> 3 - start example server with following command java -Xms512m -Xmx1024m -XX:MaxPermSize=128m
-jar start.jar
> 4 - Index files as follow java -Xmx128m -jar .../examples/exampledocs/post.jar *.xml
> Directory with xml files contains about 100 xml files each of about 30MB each.  While
indexing after about the 25th file SOLR 1.3 runs out of memory, while SOLR 1.2 is able to
index the entire set of files without any problems.

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