Bypass highlight query terms extraction on empty fields #32090
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Dealing with empty fields in the highlight phase can slow down the query because the query terms extraction is done independently on each field. This change shortcuts the highlighting performed by the unified highlighter for fields that are not present in the document. In such cases there is nothing to higlight so we don't need to visit the query to build the highligh builder.
jimczi
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>enhancement
:Search Relevance/Highlighting
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Pinging @elastic/es-search-aggs |
jimczi
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Jul 16, 2018
Dealing with empty fields in the highlight phase can slow down the query because the query terms extraction is done independently on each field. This change shortcuts the highlighting performed by the unified highlighter for fields that are not present in the document. In such cases there is nothing to higlight so we don't need to visit the query to build the highligh builder.
martijnvg
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Jul 17, 2018
* es/6.x: Scripting: Remove dead code from painless module (#32064) (#32104) Painless: Move and Rename Several Methods in the lookup package (#32105) Bypass highlight query terms extraction on empty fields (#32090) Core: Backport java time date formatters (#31997) Switch non-x-pack to new style requests (#32106) SQL: allow LEFT and RIGHT as function names (#32066) Painless: Separate PainlessLookup into PainlessLookup and PainlessLookupBuilder (#32054) [test] turn on host io cache for opensuse (#32053) DOCS: put LIMIT 10 to the SQL query (#32065)
martijnvg
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Jul 17, 2018
* es/master: Add Index UUID to `/_stats` Response (#31871) Painless: Move and Rename Several Methods in the lookup package (#32105) Bypass highlight query terms extraction on empty fields (#32090) Switch non-x-pack to new style requests (#32106) [Rollup] Add new capabilities endpoint for concrete rollup indices (#30401) Revert "[test] disable packaging tests for suse boxes" SQL: allow LEFT and RIGHT as function names (#32066) DOCS: put LIMIT 10 to the SQL query (#32065) [test] turn on host io cache for opensuse (#32053) Tweaked Elasticsearch Service links for SEO
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Dealing with empty fields in the highlight phase can
slow down the query because the query terms extraction is done independently
on each field. This change shortcuts the highlighting performed by the unified highlighter
for fields that are not present in the document. In such cases there is nothing to higlight so
we don't need to visit the query to build the highligh builder.