import java.nio.file.FileSystem;

import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Jimfs;

public class Test {
    void main() {
        FileSystem fs = Jimfs.newFileSystem(Configuration.unix());
        for (int i = 0; i < 1_000_000; i++) {
            fs.getPath("/foo");
        }
    }
}