@AfterClass
public static void tearDownAfterClass() throws Exception {
if (admin != null) {
admin.close();
}
TEST_UTIL.shutdownMiniZKCluster();
}
@SuppressWarnings("deprecation")
@Test(timeout = 300000)
public void testReplicaAndReplication() throws Exception {
HTableDescriptor hdt = HTU.createTableDescriptor("testReplicaAndReplication");
hdt.setRegionReplication(NB_SERVERS);
HColumnDescriptor fam = new HColumnDescriptor(row);
fam.setScope(HConstants.REPLICATION_SCOPE_GLOBAL);
hdt.addFamily(fam);
hdt.addCoprocessor(SlowMeCopro.class.getName());
HTU.getHBaseAdmin().createTable(hdt, HBaseTestingUtility.KEYS_FOR_HBA_CREATE_TABLE);
Configuration conf2 = HBaseConfiguration.create(HTU.getConfiguration());
conf2.set(HConstants.HBASE_CLIENT_INSTANCE_ID, String.valueOf(-1));
conf2.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/2");
MiniZooKeeperCluster miniZK = HTU.getZkCluster();
HTU2 = new HBaseTestingUtility(conf2);
HTU2.setZkCluster(miniZK);
HTU2.startMiniCluster(NB_SERVERS);
LOG.info("Setup second Zk");
HTU2.getHBaseAdmin().createTable(hdt, HBaseTestingUtility.KEYS_FOR_HBA_CREATE_TABLE);
ReplicationAdmin admin = new ReplicationAdmin(HTU.getConfiguration());
admin.addPeer("2", HTU2.getClusterKey());
admin.close();
Put p = new Put(row);
p.add(row, row, row);
final Table table = HTU.getConnection().getTable(hdt.getTableName());
table.put(p);
HTU.getHBaseAdmin().flush(table.getName());
LOG.info("Put & flush done on the first cluster. Now doing a get on the same cluster.");
Waiter.waitFor(
HTU.getConfiguration(),
1000,
new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
try {
SlowMeCopro.cdl.set(new CountDownLatch(1));
Get g = new Get(row);
g.setConsistency(Consistency.TIMELINE);
Result r = table.get(g);
Assert.assertTrue(r.isStale());
return !r.isEmpty();
} finally {
SlowMeCopro.cdl.get().countDown();
SlowMeCopro.sleepTime.set(0);
}
}
});
table.close();
LOG.info("stale get on the first cluster done. Now for the second.");
final Table table2 = HTU.getConnection().getTable(hdt.getTableName());
Waiter.waitFor(
HTU.getConfiguration(),
1000,
new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
try {
SlowMeCopro.cdl.set(new CountDownLatch(1));
Get g = new Get(row);
g.setConsistency(Consistency.TIMELINE);
Result r = table2.get(g);
Assert.assertTrue(r.isStale());
return !r.isEmpty();
} finally {
SlowMeCopro.cdl.get().countDown();
SlowMeCopro.sleepTime.set(0);
}
}
});
table2.close();
HTU.getHBaseAdmin().disableTable(hdt.getTableName());
HTU.deleteTable(hdt.getTableName());
HTU2.getHBaseAdmin().disableTable(hdt.getTableName());
HTU2.deleteTable(hdt.getTableName());
// We shutdown HTU2 minicluster later, in afterClass(), as shutting down
// the minicluster has negative impact of deleting all HConnections in JVM.
}