Ejemplo n.º 1
0
  @Test
  public void testOrphanTaskAcquisition() throws Exception {
    LOG.info("TestOrphanTaskAcquisition");

    String tasknode = ZKSplitLog.getEncodedNodeName(zkw, "orphan/test/slash");
    zkw.getRecoverableZooKeeper()
        .create(
            tasknode,
            TaskState.TASK_OWNED.get("dummy-worker"),
            Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);

    int to = 1000;
    conf.setInt("hbase.splitlog.manager.timeout", to);
    conf.setInt("hbase.splitlog.manager.timeoutmonitor.period", 100);
    to = to + 2 * 100;

    slm = new SplitLogManager(zkw, conf, stopper, "dummy-master", null);
    slm.finishInitialization();
    waitForCounter(tot_mgr_orphan_task_acquired, 0, 1, 100);
    Task task = slm.findOrCreateOrphanTask(tasknode);
    assertTrue(task.isOrphan());
    waitForCounter(tot_mgr_heartbeat, 0, 1, 100);
    assertFalse(task.isUnassigned());
    long curt = System.currentTimeMillis();
    assertTrue((task.last_update <= curt) && (task.last_update > (curt - 1000)));
    LOG.info("waiting for manager to resubmit the orphan task");
    waitForCounter(tot_mgr_resubmit, 0, 1, to + 100);
    assertTrue(task.isUnassigned());
    waitForCounter(tot_mgr_rescan, 0, 1, to + 100);
  }
Ejemplo n.º 2
0
 private void waitForCounter(Expr e, long oldval, long newval, long timems) {
   long curt = System.currentTimeMillis();
   long endt = curt + timems;
   while (curt < endt) {
     if (e.eval() == oldval) {
       try {
         Thread.sleep(10);
       } catch (InterruptedException eintr) {
       }
       curt = System.currentTimeMillis();
     } else {
       assertEquals(newval, e.eval());
       return;
     }
   }
   assertTrue(false);
 }