# Index Content

This set of topics describe how to index your data, and make sure that only the data that you want is indexed.

- The Index Process. Describes the order of processing steps that IDOL goes through when it indexes data.

- The Index Process in a Distributed System. Describes the order of processing steps that IDOL goes through when it indexes data with a DIH.

- The Index Flush Process. Describes how the IDOL flush process works.

- Remove Duplicates. Remove duplicate content, during indexing.

- Compact the Index. Clean up and optimize the IDOL Index.

- Back Up and Restore the Data Index. Back up your index, regularly or on demand. See also: IDOL Maintenance.

- Memory Usage in IDOL Server. Details of memory usage in IDOL Server and the different memory indexes.

- Disk Usage in IDOL. Details of disk usage in IDOL Server and the different indexes on disk.

- Storage of Document Content. Details of the functionality that is unavailable when you do not store document content in your index.

- Document Tracking. How to use document tracking to monitor documents in the index process.

_FT_HTML5_bannerTitle.htm