@Before
public void setup() throws Exception {
TEST_UTIL = new HBaseTestingUtility();
TEST_UTIL.startMiniZKCluster();
conf = TEST_UTIL.getConfiguration();
// Use a different ZK wrapper instance for each tests.
zkw =
new ZooKeeperWatcher(conf, "split-log-manager-tests" + UUID.randomUUID().toString(), null);
ZKUtil.deleteChildrenRecursively(zkw, zkw.baseZNode);
ZKUtil.createAndFailSilent(zkw, zkw.baseZNode);
assertTrue(ZKUtil.checkExists(zkw, zkw.baseZNode) != -1);
LOG.debug(zkw.baseZNode + " created");
ZKUtil.createAndFailSilent(zkw, zkw.splitLogZNode);
assertTrue(ZKUtil.checkExists(zkw, zkw.splitLogZNode) != -1);
LOG.debug(zkw.splitLogZNode + " created");
stopped = false;
resetCounters();
// By default, we let the test manage the error as before, so the server
// does not appear as dead from the master point of view, only from the split log pov.
Mockito.when(sm.isServerOnline(Mockito.any(ServerName.class))).thenReturn(true);
Mockito.when(master.getServerManager()).thenReturn(sm);
to = 4000;
conf.setInt("hbase.splitlog.manager.timeout", to);
conf.setInt("hbase.splitlog.manager.unassigned.timeout", 2 * to);
conf.setInt("hbase.splitlog.manager.timeoutmonitor.period", 100);
to = to + 4 * 100;
}
@Test
public void testRemoveStaleRecoveringRegionsDuringMasterInitialization() throws Exception {
// this test is for when distributed log replay is enabled
if (!UTIL.getConfiguration().getBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, false)) return;
LOG.info("Starting testRemoveStaleRecoveringRegionsDuringMasterInitialization");
HMaster master = UTIL.getMiniHBaseCluster().getMaster();
MasterFileSystem fs = master.getMasterFileSystem();
String failedRegion = "failedRegoin1";
String staleRegion = "staleRegion";
ServerName inRecoveryServerName = ServerName.valueOf("mgr,1,1");
ServerName previouselyFaildServerName = ServerName.valueOf("previous,1,1");
String walPath =
"/hbase/data/.logs/" + inRecoveryServerName.getServerName() + "-splitting/test";
// Create a ZKW to use in the test
ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(UTIL);
zkw.getRecoverableZooKeeper()
.create(
ZKSplitLog.getEncodedNodeName(zkw, walPath),
new SplitLogTask.Owned(inRecoveryServerName, fs.getLogRecoveryMode()).toByteArray(),
Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
String staleRegionPath = ZKUtil.joinZNode(zkw.recoveringRegionsZNode, staleRegion);
ZKUtil.createWithParents(zkw, staleRegionPath);
String inRecoveringRegionPath = ZKUtil.joinZNode(zkw.recoveringRegionsZNode, failedRegion);
inRecoveringRegionPath =
ZKUtil.joinZNode(inRecoveringRegionPath, inRecoveryServerName.getServerName());
ZKUtil.createWithParents(zkw, inRecoveringRegionPath);
Set<ServerName> servers = new HashSet<ServerName>();
servers.add(previouselyFaildServerName);
fs.removeStaleRecoveringRegionsFromZK(servers);
// verification
assertFalse(ZKUtil.checkExists(zkw, staleRegionPath) != -1);
assertTrue(ZKUtil.checkExists(zkw, inRecoveringRegionPath) != -1);
ZKUtil.deleteChildrenRecursively(zkw, zkw.recoveringRegionsZNode);
ZKUtil.deleteChildrenRecursively(zkw, zkw.splitLogZNode);
zkw.close();
}
@Before
public void setup() throws Exception {
TEST_UTIL.startMiniZKCluster();
conf = TEST_UTIL.getConfiguration();
zkw = new ZooKeeperWatcher(conf, "split-log-manager-tests", null);
ZKUtil.deleteChildrenRecursively(zkw, zkw.baseZNode);
ZKUtil.createAndFailSilent(zkw, zkw.baseZNode);
assertTrue(ZKUtil.checkExists(zkw, zkw.baseZNode) != -1);
LOG.debug(zkw.baseZNode + " created");
ZKUtil.createAndFailSilent(zkw, zkw.splitLogZNode);
assertTrue(ZKUtil.checkExists(zkw, zkw.splitLogZNode) != -1);
LOG.debug(zkw.splitLogZNode + " created");
stopped = false;
resetCounters();
}