Google Maps Marker Cluster Problem use array 2k register


`
dummyData() {

    return [
        // 2000 register 
        {
            "position": {
                "lat": 28.63453791,
                "lng": -106.0809951
            },
            "name": "Starbucks - HI - Aiea  03642",
            "address": "Pearlridge Center_98-125\nKaonohi Street_Aiea, Hawaii 96701",
            "icon": "./assets/imgs/pin.png"
        },
        ....
        {
            "position": {
                "lat": 16.753872,
                "lng": -93.114883
            },
            "name": "Starbucks - HI - Aiea  03642",
            "address": "Pearlridge Center_98-125\nKaonohi Street_Aiea, Hawaii 96701",
            "icon": "./assets/imgs/pin.png"
        },

}`

I have been using this in my projects for marker clusters:

let mc = new MarkerClusterer(this.map, this.markers, {
        zoomOnClick: true,
        styles: [{
          url: 'assets/images/icon.svg',
          height: 50,
          width: 50,
          anchor: [0, 0],
          textColor: '#ffffff',
          textSize: 24
        }]
      });