private KeyValueBuilder kvBuilder;
private PMetaData newEmptyMetaData() {
long maxSizeBytes = props.getLong(QueryServices.MAX_CLIENT_METADATA_CACHE_SIZE_ATTRIB,
QueryServicesOptions.DEFAULT_MAX_CLIENT_METADATA_CACHE_SIZE);
return new PMetaDataImpl(INITIAL_META_DATA_TABLE_CAPACITY, maxSizeBytes);
}