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db.incremental_update_type

Allows the selection of different modes for keeping database collections up to date.

Key: db.incremental_update_type
Type: DatabaseGathererUpdateTypes allowed values: none, update_table or incremental_sql
Can be set in: collection.cfg

Description

This parameter specifies the type of incremental updating which should be used for a database collection. Available options are as follows :

  • none - Only full updates are performed
  • update_table - A table of update events is used to update the search index
  • incremental_sql - Information about previous updates (time and largest key seen) are used to select only new records

See the incremental SQL and update table name pages for more information on each option.

Default Value

(none)

Examples

db.incremental_update_type=incremental_sql
db.incremental_update_type=update_table

See Also

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v15.22.0