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From "Mark Miller (JIRA)" <>
Subject [jira] Commented: (SOLR-1145) Patch to set IndexWriter.defaultInfoStream from solr.xml
Date Fri, 19 Jun 2009 13:55:07 GMT


Mark Miller commented on SOLR-1145:

Also, with lots of cores, even if you used the logging config to isolate the infostream log,
it would be very difficult to isolate each core to its own file. And again, it seems like
it would be difficult to deal with the log with multiple cores mixing up the IndexWriter debug
logging in the same file.

> Patch to set IndexWriter.defaultInfoStream from solr.xml
> --------------------------------------------------------
>                 Key: SOLR-1145
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Chris Harris
>             Fix For: 1.4
>         Attachments: SOLR-1145.patch, SOLR-1145.patch, SOLR-1145.patch
> Lucene IndexWriters use an infoStream to log detailed info about indexing operations
for debugging purpose. This patch is an extremely simple way to allow logging this info to
a file from within Solr: After applying the patch, set the new "defaultInfoStreamFilePath"
attribute of the solr element in solr.xml to the path of the file where you'd like to save
the logging information.
> Note that, in a multi-core setup, all cores will end up logging to the same infoStream
log file. This may not be desired. (But it does justify putting the setting in solr.xml rather
than solrconfig.xml.)

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