The compression to apply to the data index. Use one of the following values:

0 Do not compress dynterm files (lists of conceptual terms)
1 (Deprecated; do not use)

Index a reduced amount of information for Index fields. When you set IndexCompression to 2, ordinary conceptual searches and Wildcard searches are supported, but proximity searches and field-restricted queries are not.

Type: Long
Default: 0
Required: No
Configuration Section: Server
Example: IndexCompression=2
See Also:  

This configuration parameter is a permanent setting. If you want to change this setting, you must initialize your index.