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Avoid I/O operations when rewriting shard search request (#54044) #54139

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Merged
merged 1 commit into from
Mar 25, 2020

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@jimczi jimczi commented Mar 25, 2020

Backport of #54044

This commit ensures that we rewrite the shard request with a short-lived can_match searcher.
This is required for frozen indices since the high level rewrite is now performed on a network thread where we don't want to perform I/O.

Closes elastic#53985
@jimczi jimczi merged commit 3b4751b into elastic:7.x Mar 25, 2020
@jimczi jimczi deleted the rewrite_search_can_match_backport branch March 25, 2020 08:02
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