reader_fetch.close();
File file_parse = new File(getSegmentPath(), "parse_data/info.avro");
if (file_parse.exists()) {
DbReader<ParseData> reader_parse = new DbReader<ParseData>(ParseData.class, file_parse);
ParseData parseresult = null;
while (reader_parse.hasNext()) {
parseresult = reader_parse.readNext();
for (Link link : parseresult.getLinks()) {
datum = new CrawlDatum();
datum.setUrl(link.getUrl());
datum.setStatus(CrawlDatum.STATUS_DB_UNFETCHED);
if (indexmap.containsKey(datum.getUrl())) {
continue;