4 invocations of hook_node_update_index()

hook_search_execute in drupal/modules/search/search.api.php
Execute a search for a set of key words.
hook_update_index in drupal/modules/search/search.api.php
Update the search index for this module.
node_search_execute in drupal/modules/node/node.module
Implements hook_search_execute().
_node_index_node in drupal/modules/node/node.module
Indexes a single node.