Indexer command line options, each separated by whitespace and thus cannot contain embedded whitespace characters.

Key: indexer_options
Type: String
Can be set in: collection.cfg


This option specifies additional configuration options that can be supplied to the indexer. The PArallel Document Retrieval Engine indexer is a powerful engine that can be finely controlled through a large list of options that can be given to it. These options can be specified in the data source configuration. The list of options available is outlined in the padre usage.

Default Value



Increase the size of metadata fields to 10000 characters and index no more than 1000 documents

indexer_options=-mdsfml10000 -maxdocs1000

⚠ Caveats

  • Indexing will not occur if the indexer is given an invalid option.

  • Indexer options can affect Funnelback’s performance, so change them with caution.

  • Options in group A are generally useful only when running PADRE from a command line and usually should not be included in the index_options