Aggregations changesedit

Deprecated global_ordinals_hash and global_ordinals_low_cardinality execution hints for terms aggregations have been removededit

These execution_hint are removed and should be replaced by global_ordinals.

search.max_buckets in the cluster settingedit

The dynamic cluster setting named search.max_buckets now defaults to 10,000 (instead of unlimited in the previous version). Requests that try to return more than the limit will fail with an exception.

missing option of the composite aggregation has been removededit

The missing option of the composite aggregation, deprecated in 6.x, has been removed. missing_bucket should be used instead.

Replaced params._agg with state context variable in scripted metric aggregationsedit

The object used to share aggregation state between the scripts in a Scripted Metric Aggregation is now a variable called state available in the script context, rather than being provided via the params object as params._agg.

The old params._agg variable is still available as well.