How to improve query performance by two and more array fields in MongoDB? -

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i have collection of objects have multiple array fields. like:

{     sponsors: {       lead_sponsor: {          name: "mark",          type: "individual"       }       collaborators: [          {name: "company ltd.", type: "company"},          {name: "industry company ltd.", type: "company"}       ]     },     terms: ["some term", "some term 2", "some term 3"],     keywords: ["word1", "word2", "word3", "word4"],     description: "here might big text detailed description",     status: "active", }

how can optimize query next one?

{   status: "active",    $or: [     {"lead_sponsor.name": /company/i},      {"collaborators.name": /company/i},     {"terms": /phrase/i},     {"keywords": /phrase/i},     {"description": /phrase/i},   ] }

compound indexes cannot have more 1 array field. if copy data array fields new field searcharray , add compound index includes array? approach?


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