db.setProperty(ODatabase.OPTIONS.SECURITY.toString(), Boolean.FALSE);
db.open("admin", "aaa");
final long begin = System.currentTimeMillis();
db.backup(new FileOutputStream(exportFilePath), null, null, new OCommandOutputListener() {
@Override
public void onMessage(String iText) {
OLogManager.instance().info(this, iText);
}
}, compressionLevel, bufferSize);