@Test
public void testVLSNConsistencyJoinGroup()
throws UnknownMasterException, DatabaseException, InterruptedException {
createGroup();
ReplicatedEnvironment masterRep = repEnvInfo[0].getEnv();
assertEquals(State.MASTER, masterRep.getState());
leaveGroupAllButMaster();
/* Populates just the master. */
populateDB(masterRep, TEST_DB_NAME, 100);
UUID uuid = RepInternal.getRepImpl(masterRep).getRepNode().getUUID();
long masterVLSN =
RepInternal.getRepImpl(masterRep).getVLSNIndex().getRange().getLast().getSequence()
+ 2 /* 1 new entry + txn commit record */;
JoinCommitThread jt = new JoinCommitThread(new CommitToken(uuid, masterVLSN), repEnvInfo[1]);
jt.start();
Thread.sleep(5000);
// supply the vlsn it's waiting for. Record count MUST sync up with
// the expected masterVLSN
populateDB(masterRep, TEST_DB_NAME, 1);
jt.join(JOIN_WAIT_TIME);
assertTrue(!jt.isAlive());
assertNull("Join thread exception", jt.testException);
}
@Test
public void testDefaultJoinGroup() throws UnknownMasterException, DatabaseException {
createGroup();
ReplicatedEnvironment masterRep = repEnvInfo[0].getEnv();
assertEquals(State.MASTER, masterRep.getState());
leaveGroupAllButMaster();
/* Populates just the master. */
CommitToken ct = populateDB(masterRep, TEST_DB_NAME, 100);
/* Replicas should have caught up when they re-open their handles. */
for (RepEnvInfo ri : repEnvInfo) {
ReplicatedEnvironment rep = (ri.getEnv() == null) ? ri.openEnv() : ri.getEnv();
VLSN repVLSN = RepInternal.getRepImpl(rep).getVLSNIndex().getRange().getLast();
assertTrue(new VLSN(ct.getVLSN()).compareTo(repVLSN) <= 0);
}
}
