I use a MKMapView to display about 700 annotations in total. My issue is that sometimes I get a huge log like this:

2013-06-05 17:32:12.395 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 324): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.396 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 480): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.396 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 30): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.396 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.396 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 1818): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 234): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.397 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 90): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.398 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 174): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.398 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 18): featureID: 1547811419 key: 73.35.7 (512)
2013-06-05 17:32:12.398 tiet[1493:1c52b] Can't render polygon (can't reserve indicies: 162): featureID: 1547811419 ke
ios mkmapview
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