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HBASE-7172 TestSplitLogManager.testVanishingTaskZNode() fails when run individually and is flaky 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1414973 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Enis Soztutar 2012-11-28 22:38:00 +00:00
parent e6053a6160
commit b79c62dcbd
2 changed files with 32 additions and 54 deletions
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2
hbase-server/src/main/java/org/apache/hadoop/hbase/master/SplitLogManager.java
View File

@ -340,8 +340,10 @@ public class SplitLogManager extends ZooKeeperListener {
LOG.warn("No more task remaining (ZK or task map), splitting "
+ "should have completed. Remaining tasks in ZK " + remainingInZK
+ ", active tasks in map " + actual);
if (remainingInZK == 0 && actual == 0) {
return;
}
}
batch.wait(100);
if (stopper.isStopped()) {
LOG.warn("Stopped while waiting for log splits to be completed");

82
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
View File

@ -48,7 +48,6 @@ import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.SplitLogTask;
import org.apache.hadoop.hbase.Stoppable;
@ -64,10 +63,8 @@ import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.ZooDefs.Ids;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
@ -87,15 +84,10 @@ public class TestSplitLogManager {
private static boolean stopped = false;
private SplitLogManager slm;
private Configuration conf;
private int to;
private static HBaseTestingUtility TEST_UTIL;
/**
* Additional amount of time we wait for events to happen. Added where unit
* test failures have been observed.
*/
private static final int EXTRA_TOLERANCE_MS = 200;
static Stoppable stopper = new Stoppable() {
@Override
public void stop(String why) {
@ -131,6 +123,12 @@ public class TestSplitLogManager {
// 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;
}
@After
@ -220,25 +218,20 @@ public class TestSplitLogManager {
zkw.getRecoverableZooKeeper().create(tasknode, slt.toByteArray(), 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, master, 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);
waitForCounter(tot_mgr_heartbeat, 0, 1, to/2);
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 + 300);
waitForCounter(tot_mgr_resubmit, 0, 1, to + to/2);
assertTrue(task.isUnassigned());
waitForCounter(tot_mgr_rescan, 0, 1, to + 100);
waitForCounter(tot_mgr_rescan, 0, 1, to + to/2);
}
@Test
@ -254,12 +247,12 @@ public class TestSplitLogManager {
slm = new SplitLogManager(zkw, conf, stopper, master, DUMMY_MASTER, null);
slm.finishInitialization();
waitForCounter(tot_mgr_orphan_task_acquired, 0, 1, 100);
waitForCounter(tot_mgr_orphan_task_acquired, 0, 1, to/2);
Task task = slm.findOrCreateOrphanTask(tasknode);
assertTrue(task.isOrphan());
assertTrue(task.isUnassigned());
// wait for RESCAN node to be created
waitForCounter(tot_mgr_rescan, 0, 1, 500);
waitForCounter(tot_mgr_rescan, 0, 1, to/2);
Task task2 = slm.findOrCreateOrphanTask(tasknode);
assertTrue(task == task2);
LOG.debug("task = " + task);
@ -275,11 +268,6 @@ public class TestSplitLogManager {
public void testMultipleResubmits() throws Exception {
LOG.info("TestMultipleResbmits - no indefinite resubmissions");
int to = 1000;
conf.setInt("hbase.splitlog.manager.timeout", to);
conf.setInt("hbase.splitlog.manager.timeoutmonitor.period", 100);
to = to + 2 * 100;
conf.setInt("hbase.splitlog.max.resubmit", 2);
slm = new SplitLogManager(zkw, conf, stopper, master, DUMMY_MASTER, null);
slm.finishInitialization();
@ -292,21 +280,21 @@ public class TestSplitLogManager {
final ServerName worker3 = new ServerName("worker3,1,1");
SplitLogTask slt = new SplitLogTask.Owned(worker1);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
waitForCounter(tot_mgr_heartbeat, 0, 1, 1000);
waitForCounter(tot_mgr_resubmit, 0, 1, to + EXTRA_TOLERANCE_MS);
waitForCounter(tot_mgr_heartbeat, 0, 1, to/2);
waitForCounter(tot_mgr_resubmit, 0, 1, to + to/2);
int version1 = ZKUtil.checkExists(zkw, tasknode);
assertTrue(version1 > version);
slt = new SplitLogTask.Owned(worker2);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
waitForCounter(tot_mgr_heartbeat, 1, 2, 1000);
waitForCounter(tot_mgr_resubmit, 1, 2, to + 100);
waitForCounter(tot_mgr_heartbeat, 1, 2, to/2);
waitForCounter(tot_mgr_resubmit, 1, 2, to + to/2);
int version2 = ZKUtil.checkExists(zkw, tasknode);
assertTrue(version2 > version1);
slt = new SplitLogTask.Owned(worker3);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
waitForCounter(tot_mgr_heartbeat, 1, 2, 1000);
waitForCounter(tot_mgr_resubmit_threshold_reached, 0, 1, to + EXTRA_TOLERANCE_MS);
Thread.sleep(to + EXTRA_TOLERANCE_MS);
waitForCounter(tot_mgr_heartbeat, 1, 2, to/2);
waitForCounter(tot_mgr_resubmit_threshold_reached, 0, 1, to + to/2);
Thread.sleep(to + to/2);
assertEquals(2L, tot_mgr_resubmit.get());
}
@ -314,8 +302,6 @@ public class TestSplitLogManager {
public void testRescanCleanup() throws Exception {
LOG.info("TestRescanCleanup - ensure RESCAN nodes are cleaned up");
conf.setInt("hbase.splitlog.manager.timeout", 1000);
conf.setInt("hbase.splitlog.manager.timeoutmonitor.period", 100);
slm = new SplitLogManager(zkw, conf, stopper, master, DUMMY_MASTER, null);
slm.finishInitialization();
TaskBatch batch = new TaskBatch();
@ -325,7 +311,7 @@ public class TestSplitLogManager {
final ServerName worker1 = new ServerName("worker1,1,1");
SplitLogTask slt = new SplitLogTask.Owned(worker1);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
waitForCounter(tot_mgr_heartbeat, 0, 1, 1000);
waitForCounter(tot_mgr_heartbeat, 0, 1, to/2);
waitForCounter(new Expr() {
@Override
public long eval() {
@ -339,7 +325,7 @@ public class TestSplitLogManager {
slt = SplitLogTask.parseFrom(taskstate);
assertTrue(slt.isUnassigned(DUMMY_MASTER));
waitForCounter(tot_mgr_rescan_deleted, 0, 1, 1000);
waitForCounter(tot_mgr_rescan_deleted, 0, 1, to/2);
}
@Test
@ -358,7 +344,7 @@ public class TestSplitLogManager {
batch.wait();
}
}
waitForCounter(tot_mgr_task_deleted, 0, 1, 1000);
waitForCounter(tot_mgr_task_deleted, 0, 1, to/2);
assertTrue(ZKUtil.checkExists(zkw, tasknode) == -1);
}
@ -381,7 +367,7 @@ public class TestSplitLogManager {
batch.wait();
}
}
waitForCounter(tot_mgr_task_deleted, 0, 1, 1000);
waitForCounter(tot_mgr_task_deleted, 0, 1, to/2);
assertTrue(ZKUtil.checkExists(zkw, tasknode) == -1);
conf.setInt("hbase.splitlog.max.resubmit", SplitLogManager.DEFAULT_MAX_RESUBMIT);
}
@ -403,7 +389,7 @@ public class TestSplitLogManager {
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
int version = ZKUtil.checkExists(zkw, tasknode);
// Could be small race here.
if (tot_mgr_resubmit.get() == 0) waitForCounter(tot_mgr_resubmit, 0, 1, 1000);
if (tot_mgr_resubmit.get() == 0) waitForCounter(tot_mgr_resubmit, 0, 1, to/2);
assertEquals(tot_mgr_resubmit.get(), 1);
int version1 = ZKUtil.checkExists(zkw, tasknode);
assertTrue("version1=" + version1 + ", version=" + version, version1 > version);
@ -425,16 +411,9 @@ public class TestSplitLogManager {
zkw.getRecoverableZooKeeper().create(tasknode1, slt.toByteArray(), Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
int 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);
slm = new SplitLogManager(zkw, conf, stopper, master, DUMMY_MASTER, null);
slm.finishInitialization();
waitForCounter(tot_mgr_orphan_task_acquired, 0, 1, 100);
waitForCounter(tot_mgr_orphan_task_acquired, 0, 1, to/2);
// submit another task which will stay in unassigned mode
TaskBatch batch = new TaskBatch();
@ -471,11 +450,11 @@ public class TestSplitLogManager {
final ServerName worker1 = new ServerName("worker1,1,1");
SplitLogTask slt = new SplitLogTask.Owned(worker1);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
if (tot_mgr_heartbeat.get() == 0) waitForCounter(tot_mgr_heartbeat, 0, 1, 1000);
if (tot_mgr_heartbeat.get() == 0) waitForCounter(tot_mgr_heartbeat, 0, 1, to/2);
slm.handleDeadWorker(worker1);
if (tot_mgr_resubmit.get() == 0) waitForCounter(tot_mgr_resubmit, 0, 1, 3000);
if (tot_mgr_resubmit.get() == 0) waitForCounter(tot_mgr_resubmit, 0, 1, to+to/2);
if (tot_mgr_resubmit_dead_server_task.get() == 0) {
waitForCounter(tot_mgr_resubmit_dead_server_task, 0, 1, 3000);
waitForCounter(tot_mgr_resubmit_dead_server_task, 0, 1, to + to/2);
}
int version1 = ZKUtil.checkExists(zkw, tasknode);
@ -497,7 +476,7 @@ public class TestSplitLogManager {
SplitLogTask slt = new SplitLogTask.Owned(worker1);
ZKUtil.setData(zkw, tasknode, slt.toByteArray());
if (tot_mgr_heartbeat.get() == 0) waitForCounter(tot_mgr_heartbeat, 0, 1, 1000);
if (tot_mgr_heartbeat.get() == 0) waitForCounter(tot_mgr_heartbeat, 0, 1, to/2);
// Not yet resubmitted.
Assert.assertEquals(0, tot_mgr_resubmit.get());
@ -528,9 +507,6 @@ public class TestSplitLogManager {
public void testVanishingTaskZNode() throws Exception {
LOG.info("testVanishingTaskZNode");
int to = 1000;
conf.setInt("hbase.splitlog.manager.timeout", to);
conf.setInt("hbase.splitlog.manager.timeoutmonitor.period", 100);
conf.setInt("hbase.splitlog.manager.unassigned.timeout", 0);
slm = new SplitLogManager(zkw, conf, stopper, master, DUMMY_MASTER, null);