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Shortcut query phase using the results of other shards (#51852) #53659

Merged
merged 6 commits into from
Mar 18, 2020
Merged

Shortcut query phase using the results of other shards (#51852) #53659

merged 6 commits into from
Mar 18, 2020

Commits on Mar 17, 2020

  1. Shortcut query phase using the results of other shards (elastic#51852) 

    This commit, built on top of elastic#51708, allows to modify shard search requests based on informations collected on other shards. It is intended to speed up sorted queries on time-based indices. For queries that are only interested in the top documents.

This change will rewrite the shard queries to match none if the bottom sort value computed in prior shards is better than all values in the shard.
For queries that mix top documents and aggregations this change will reset the size of the top documents to 0 instead of rewriting to match none.
This means that we don't need to keep a search context open for this shard since we know in advance that it doesn't contain any competitive hit.
    @jimczi
    jimczi committed Mar 17, 2020
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  2. fix test compilation after backport

    @jimczi
    jimczi committed Mar 17, 2020
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  3. fix rest test

    @jimczi
    jimczi committed Mar 17, 2020
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  4. fix rest test (take 2)

    @jimczi
    jimczi committed Mar 17, 2020
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  5. split rest tests to skip bwc tests on versions < 7.7

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    jimczi committed Mar 17, 2020
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  6. add missing params in new rest tests

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    jimczi committed Mar 17, 2020
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