WARNING: Version 2.1 of Elasticsearch has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
We’ve switched the default value of the
detect_noop option from
true. This means that Elasticsearch will ignore updates that don’t change
source unless you explicitly set
always computationally cheap compared to the expense of the update which can be
thought of as a delete operation followed by an index operation.