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document the search context is freed if the scroll is not extended #34739

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Merged
merged 2 commits into from
Oct 25, 2018
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document the search context is freed if the scroll is not extended #34739

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f6b7ac2
document the search context is freed if the scroll is not extended
scampi Oct 23, 2018
7776151
improved wording as per suggestion
scampi Oct 25, 2018
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4 changes: 3 additions & 1 deletion docs/reference/search/request/scroll.asciidoc
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Expand Up @@ -109,7 +109,9 @@ request) tells Elasticsearch how long it should keep the search context alive.
Its value (e.g. `1m`, see <<time-units>>) does not need to be long enough to
process all data -- it just needs to be long enough to process the previous
batch of results. Each `scroll` request (with the `scroll` parameter) sets a
new expiry time.
new expiry time. If a `scroll` request doesn't pass in the `scroll`
parameter, then the search context will be freed as part of _that_ `scroll`
request.

Normally, the background merge process optimizes the
index by merging together smaller segments to create new bigger segments, at
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