[1pt] [doc] Please specify default batch size in README.MD about crud HOT 3 CLOSED

    local result, err = server.net_box:call('crud.select', {'person_cross_ref', {{ '=', 'PartyUId', partyUId }}, {first = 1000} })
    log.info("CRUD RESULT rows " .. #result.rows ) -- ..", " .. utils.dump(result.rows))

    result, err = server.net_box:eval('return box.space.person_cross_ref:select()')
    log.info("SPACE RESULT rows = " .. #result)

CRUD RESULT rows 100
SPACE RESULT rows = 116

return {
    ---
    --- This migration creates cross-reference storage space 'person_cross_ref'.
    ---
    --- For each person there is a set of cross-reference records:
    --- {
    ---     partyUId = 'P123',
    ---     crossRefData = {{externalId, systemNumber, endDate}, ...}
    --- }
    ---
    up = function()
        local utils = require('migrator.utils')
        local s = box.schema.create_space('person_cross_ref', { if_not_exists = true })

        s:format({
            -- vshard bucket id
            { name = 'bucket_id', type = 'unsigned', is_nullable = false },

            -- global record ID in  Customer HUB
            { name = 'partyUId', type = 'string', is_nullable = false },

            --  cross-reference array of objects
            --  {
            --      externalId      -- string, person id in external system
            --      systemNumber    -- string, the id of external system
            --      endDate,        -- number, cross-ref validity unix-time (ms)
            --  }
            { name = 'crossRefData', type = 'array', is_nullable = true },
        })

        s:create_index('person_cross_ref_pk', {
            parts = { 'partyUId' },
            unique = true,
            if_not_exists = true,
            type = 'TREE'
        })

        s:create_index('bucket_id', {
            parts = { 'bucket_id' },
            unique = false,
            if_not_exists = true,
            type = 'TREE'
        })

        utils.register_sharding_key('person_cross_ref', { 'bucket_id' })
        return true
    end
}

 'cartridge == 2.3.0-1',
  'crud == 0.4.0-1',