@Override
protected void cleanup(Context context) throws IOException, InterruptedException {
super.cleanup(context);
table.flushCommits();
table.close();
connection.close();
}
private void loadIPs() {
dns = new HashMap(100000000); // ���貢��
unknownHosts = new HashMap(1000000);
querying = new HashMap(100000);
try {
int statsCommit = 500000;
HConnection connection = HConnectionManager.createConnection(HBaseConfiguration.create());
HTableInterface fetchFailTable = connection.getTable("fetchFail");
Scan scan = new Scan();
scan.setCaching(statsCommit);
List<Filter> filters = new ArrayList<Filter>();
Filter filter = new ColumnPrefixFilter(Bytes.toBytes("ip"));
filters.add(filter);
FilterList filterList = new FilterList(filters);
scan.setFilter(filterList);
ResultScanner rs = fetchFailTable.getScanner(scan);
long cnt = 0;
for (Result r : rs) {
NavigableMap<byte[], byte[]> map = r.getFamilyMap(Bytes.toBytes("cf"));
String ip = Bytes.toString(map.get(Bytes.toBytes("ip")));
String host = Bytes.toString(r.getRow()).split("��")[0];
if (host != null && ip != null) {
dns.put(host, ip);
}
if (++cnt % statsCommit == 0) {
LOG.info("loadIPs url=" + Bytes.toString(r.getRow()) + " cnt=" + cnt);
}
}
rs.close();
fetchFailTable.close();
LOG.info("load hostip cache=" + dns.size());
connection.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
//
}
}