Default language.

Configuring the Ignore Words List for FTS indexing

You can configure the  () engine to ignore frequently used words, such as and, the, because, and so on, or words that you do not want to be indexed. Adding entries to the Ignore Words List saves space in the index and speeds up text searches. The option has a default set of ignored words to modify.

Related topics

Enabling-exact-matches-for-full-text-searches

To define or modify the Ignore Words List for FTS:

You can use the arsftsnostem.stp file to avoid the stemming of words before their usage as ignored words in the . For example, if the arsftsnostem.stp file contains the word already then only the word already is used as an ignored word. 

  • (For SaaS deployments only) Contact BMC Support to update the arsfts.stp file.

Consider the following important points about and the Ignore Words List:

  • The Ignore Words List is different for each supported language.
  • You must perform indexing if you create an entry in the Thesaurus file before restarting the .
  • When you initiate full text search on a computer, the searcher uses the ignore words defined on the corresponding indexer server. The searcher does not use the ignore words defined on the computer on which  is initiated.
  • When you initiate  on a computer, the value of the AR_SERVER_INFO_FT_SUPPORT_EXACT_MATCH_SEARCH configuration on the corresponding indexer server is used to perform the . The value of this configuration on the computer on which  is initiated has no role to play in .
  • You must re-index the data for the changes to the Ignore Words List to take effect.
  • Accrue searches that contain words from the Ignore Words List do not find any matching  requests for those words. However, the accrue search retrieves requests for the other search terms. For restrictions on , see Limitations-of-FTS.
  •  does not support full-text search if you have a read-only database. For more information about using a read-only database, see Using read-only database.

 

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