Yam tsawg kawg nkaus yuav tsum phim Elasticsearch?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Yam tsawg kawg yuav tsum sib phim kho

Qhia tias tag nrho cov lus xaiv xaiv, rho tawm tus lej no yuav tsum yuav tsum tau. Qhia tias qhov feem pua ntawm tag nrho cov lus xaiv xaiv yog tsim nyog. Tus lej suav los ntawm qhov feem pua yog muab sib dhos thiab siv los ua tus yam tsawg kawg nkaus.

Kuj nug, yuav tsum Elasticsearch?

yuav tsum txhais tias: Clauses that yuav tsum phim rau cov ntaub ntawv kom suav nrog. yuav tsum txhais tau hais tias: Yog cov clauses phim, lawv nce _score; txwv tsis pub, lawv tsis muaj txiaj ntsig. Lawv tsuas yog siv los kho cov qhab nia qhov tseeb rau txhua daim ntawv. Yog lawm koj tuaj yeem siv ntau lub lim dej sab hauv yuav tsum.

Tsis tas li ntawd, koj tshawb nrhiav hauv Elasticsearch li cas? Pib nrhiav kho. Thaum koj tau noj qee cov ntaub ntawv rau hauv ib qho Elasticsearch index, koj ua tau nrhiav nws los ntawm kev xa cov lus thov mus rau _search endpoint. Nkag mus rau tag nrho suite ntawm nrhiav muaj peev xwm, koj siv cov Elasticsearch Nug DSL los qhia qhov nrhiav cov txheej txheem hauv lub cev thov.

Ib yam li ntawd, nws tau nug, dab tsi yog bool query hauv Elasticsearch?

ElasticSearch : demystifying cov bool lus nug . A nug uas phim cov ntaub ntawv txuam boolean ua ke ntawm lwm yam lus nug . Cov bool lus nug maps rau Lucene BooleanQuery. Nws yog tsim los ntawm ib los yog ntau tshaj boolean clauses, txhua clause nrog ib tug ntaus ntawv tshwm sim.

Dab tsi yog lim Elasticsearch?

nquag siv lim yuav cached txiav los ntawm Elasticsearch , kom ceev kev ua haujlwm. Lim Cov ntsiab lus teb yuav siv tau thaum twg ib nqe lus nug raug xa mus rau a lim parameter, xws li cov lim los yog must_not parameters nyob rau hauv cov lus nug bool, lub lim parameter nyob rau hauv cov lus nug tas li_score, los yog cov lim kev sib sau.