143 lines
4.2 KiB
Plaintext
143 lines
4.2 KiB
Plaintext
[[scroll-api]]
|
|
=== Scroll API
|
|
++++
|
|
<titleabbrev>Scroll</titleabbrev>
|
|
++++
|
|
|
|
Retrieves the next batch of results for a <<scroll-search-results,scrolling
|
|
search>>.
|
|
|
|
////
|
|
[source,console]
|
|
--------------------------------------------------
|
|
GET /_search?scroll=1m
|
|
{
|
|
"size": 1,
|
|
"query": {
|
|
"match_all": {}
|
|
}
|
|
}
|
|
--------------------------------------------------
|
|
// TEST[setup:my_index]
|
|
////
|
|
|
|
[source,console]
|
|
--------------------------------------------------
|
|
GET /_search/scroll
|
|
{
|
|
"scroll_id" : "DXF1ZXJ5QW5kRmV0Y2gBAAAAAAAAAD4WYm9laVYtZndUQlNsdDcwakFMNjU1QQ=="
|
|
}
|
|
--------------------------------------------------
|
|
// TEST[continued]
|
|
// TEST[s/DXF1ZXJ5QW5kRmV0Y2gBAAAAAAAAAD4WYm9laVYtZndUQlNsdDcwakFMNjU1QQ==/$body._scroll_id/]
|
|
|
|
[[scroll-api-request]]
|
|
==== {api-request-title}
|
|
|
|
`GET /_search/scroll/<scroll_id>`
|
|
deprecated:[7.0.0]
|
|
|
|
`GET /_search/scroll`
|
|
|
|
`POST /_search/scroll/<scroll_id>`
|
|
deprecated:[7.0.0]
|
|
|
|
`POST /_search/scroll`
|
|
|
|
[[scroll-api-desc]]
|
|
==== {api-description-title}
|
|
|
|
You can use the scroll API to retrieve large sets of results from a single
|
|
<<scroll-search-results,scrolling search>> request.
|
|
|
|
The scroll API requires a scroll ID. To get a scroll ID, submit a
|
|
<<search-search,search API>> request that includes an argument for the
|
|
<<search-api-scroll-query-param,`scroll` query parameter>>. The `scroll`
|
|
parameter indicates how long {es} should retain the
|
|
<<scroll-search-context,search context>> for the request.
|
|
|
|
The search response returns a scroll ID in the `_scroll_id` response body
|
|
parameter. You can then use the scroll ID with the scroll API to retrieve the
|
|
next batch of results for the request.
|
|
|
|
You can also use the scroll API to specify a new `scroll` parameter that extends
|
|
or shortens the retention period for the search context.
|
|
|
|
See <<scroll-search-results>>.
|
|
|
|
IMPORTANT: Results from a scrolling search reflect the state of the index at the
|
|
time of the initial search request. Subsequent indexing or document changes only
|
|
affect later search and scroll requests.
|
|
|
|
[[scroll-api-path-params]]
|
|
==== {api-path-parms-title}
|
|
|
|
`<scroll_id>`::
|
|
deprecated:[7.0.0]
|
|
(Optional, string)
|
|
Scroll ID of the search.
|
|
+
|
|
IMPORTANT: Scroll IDs can be long. We recommend only specifying scroll IDs using
|
|
the <<scroll-api-scroll-id-param,`scroll_id` request body parameter>>.
|
|
|
|
[[scroll-api-query-params]]
|
|
==== {api-query-parms-title}
|
|
|
|
`scroll`::
|
|
(Optional, <<time-units,time value>>)
|
|
Period to retain the <<scroll-search-context,search context>> for scrolling. See
|
|
<<scroll-search-results>>.
|
|
+
|
|
This value overrides the duration set by the original search API request's
|
|
`scroll` parameter.
|
|
+
|
|
By default, this value cannot exceed `1d` (24 hours). You can change
|
|
this limit using the `search.max_keep_alive` cluster-level setting.
|
|
+
|
|
IMPORTANT: You can also specify this value using the `scroll` request body
|
|
parameter. If both parameters are specified, only the query parameter is used.
|
|
|
|
`scroll_id`::
|
|
deprecated:[7.0.0]
|
|
(Optional, string)
|
|
Scroll ID for the search.
|
|
+
|
|
IMPORTANT: Scroll IDs can be long. We recommend only specifying scroll IDs using
|
|
the <<scroll-api-scroll-id-param,`scroll_id` request body parameter>>.
|
|
|
|
`rest_total_hits_as_int`::
|
|
(Optional, boolean)
|
|
If `true`, the API response's `hit.total` property is returned as an integer.
|
|
If `false`, the API response's `hit.total` property is returned as an object.
|
|
Defaults to `false`.
|
|
|
|
[role="child_attributes"]
|
|
[[scroll-api-request-body]]
|
|
==== {api-request-body-title}
|
|
|
|
`scroll`::
|
|
(Optional, <<time-units,time value>>)
|
|
Period to retain the <<scroll-search-context,search context>> for scrolling. See
|
|
<<scroll-search-results>>.
|
|
+
|
|
This value overrides the duration set by the original search API request's
|
|
`scroll` parameter.
|
|
+
|
|
By default, this value cannot exceed `1d` (24 hours). You can change
|
|
this limit using the `search.max_keep_alive` cluster-level setting.
|
|
+
|
|
IMPORTANT: You can also specify this value using the `scroll` query
|
|
parameter. If both parameters are specified, only the query parameter is used.
|
|
|
|
[[scroll-api-scroll-id-param]]
|
|
`scroll_id`::
|
|
(Required, string)
|
|
Scroll ID for the search.
|
|
|
|
[role="child_attributes"]
|
|
[[scroll-api-response-body]]
|
|
==== {api-response-body-title}
|
|
|
|
The scroll API returns the same response body as the search API. See the search
|
|
API's <<search-api-response-body,response body parameters>>.
|