HBASE-14635 Fix flaky test TestSnapshotCloneIndependence
Signed-off-by: Matteo Bertozzi <matteo.bertozzi@cloudera.com>
This commit is contained in:
Apekshit
Matteo Bertozzi
parent
b3362ccb0c
commit
94696d4067
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@ -18,7 +18,6 @@
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package org.apache.hadoop.hbase.client;
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import java.io.IOException;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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@ -34,37 +33,55 @@ import org.apache.hadoop.hbase.TableName;
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import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;
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import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy;
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import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils;
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import org.apache.hadoop.hbase.snapshot.TestRestoreFlushSnapshotFromClient;
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import org.apache.hadoop.hbase.testclassification.ClientTests;
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import org.apache.hadoop.hbase.testclassification.LargeTests;
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import org.apache.hadoop.hbase.testclassification.MediumTests;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.Threads;
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import org.junit.After;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Ignore;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.experimental.categories.Category;
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import org.junit.rules.TestName;
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import org.junit.rules.Timeout;
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/**
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* Test to verify that the cloned table is independent of the table from which it was cloned
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*/
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@Category({LargeTests.class, ClientTests.class})
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@Category({MediumTests.class, ClientTests.class})
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public class TestSnapshotCloneIndependence {
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private static final Log LOG = LogFactory.getLog(TestSnapshotCloneIndependence.class);
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@Rule
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public Timeout globalTimeout = Timeout.seconds(60);
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@Rule
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public TestName testName = new TestName();
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protected static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
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protected static final int NUM_RS = 2;
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private static final String STRING_TABLE_NAME = "test";
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private static final String TEST_FAM_STR = "fam";
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protected static final byte[] TEST_FAM = Bytes.toBytes(TEST_FAM_STR);
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protected static final TableName TABLE_NAME = TableName.valueOf(STRING_TABLE_NAME);
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private static final int CLEANER_INTERVAL = 100;
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private FileSystem fs;
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private Path rootDir;
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private Admin admin;
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private TableName originalTableName;
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private Table originalTable;
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private TableName cloneTableName;
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private int countOriginalTable;
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String snapshotNameAsString;
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byte[] snapshotName;
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/**
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* Setup the config for the cluster and start it
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* @throws Exception on fOailure
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*/
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@BeforeClass
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public static void setupCluster() throws Exception {
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@ -104,12 +121,25 @@ public class TestSnapshotCloneIndependence {
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@Before
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public void setup() throws Exception {
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createTable(TABLE_NAME, TEST_FAM);
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fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
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rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
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admin = UTIL.getHBaseAdmin();
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originalTableName = TableName.valueOf("test" + testName.getMethodName());
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cloneTableName = TableName.valueOf("test-clone-" + originalTableName);
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snapshotNameAsString = "snapshot_" + originalTableName;
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snapshotName = Bytes.toBytes(snapshotNameAsString);
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originalTable = createTable(originalTableName, TEST_FAM);
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loadData(originalTable, TEST_FAM);
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countOriginalTable = countRows(originalTable);
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System.out.println("Original table has: " + countOriginalTable + " rows");
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}
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@After
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public void tearDown() throws Exception {
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UTIL.deleteTable(TABLE_NAME);
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UTIL.deleteTable(originalTableName);
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UTIL.deleteTable(cloneTableName);
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SnapshotTestingUtils.deleteAllSnapshots(UTIL.getHBaseAdmin());
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SnapshotTestingUtils.deleteArchiveDirectory(UTIL);
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}
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@ -127,78 +157,77 @@ public class TestSnapshotCloneIndependence {
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* Verify that adding data to the cloned table will not affect the original, and vice-versa when
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* it is taken as an online snapshot.
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*/
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@Ignore ("Flakey. Fix") @Test (timeout=300000)
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@Test
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public void testOnlineSnapshotAppendIndependent() throws Exception {
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runTestSnapshotAppendIndependent(true);
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createAndCloneSnapshot(true);
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runTestSnapshotAppendIndependent();
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}
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/**
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* Verify that adding data to the cloned table will not affect the original, and vice-versa when
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* it is taken as an offline snapshot.
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*/
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@Test (timeout=300000)
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@Ignore
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@Test
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public void testOfflineSnapshotAppendIndependent() throws Exception {
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runTestSnapshotAppendIndependent(false);
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createAndCloneSnapshot(false);
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runTestSnapshotAppendIndependent();
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}
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/**
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* Verify that adding metadata to the cloned table will not affect the original, and vice-versa
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* when it is taken as an online snapshot.
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*/
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@Test (timeout=300000)
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@Test
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public void testOnlineSnapshotMetadataChangesIndependent() throws Exception {
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runTestSnapshotMetadataChangesIndependent(true);
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createAndCloneSnapshot(true);
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runTestSnapshotMetadataChangesIndependent();
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}
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/**
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* Verify that adding netadata to the cloned table will not affect the original, and vice-versa
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* when is taken as an online snapshot.
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*/
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@Test (timeout=300000)
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@Ignore
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@Test
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public void testOfflineSnapshotMetadataChangesIndependent() throws Exception {
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runTestSnapshotMetadataChangesIndependent(false);
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createAndCloneSnapshot(false);
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runTestSnapshotMetadataChangesIndependent();
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}
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/**
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* Verify that region operations, in this case splitting a region, are independent between the
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* cloned table and the original.
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*/
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@Test (timeout=300000)
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@Ignore
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@Test
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public void testOfflineSnapshotRegionOperationsIndependent() throws Exception {
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runTestRegionOperationsIndependent(false);
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createAndCloneSnapshot(false);
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runTestRegionOperationsIndependent();
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}
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/**
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* Verify that region operations, in this case splitting a region, are independent between the
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* cloned table and the original.
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*/
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@Test (timeout=300000)
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@Test
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public void testOnlineSnapshotRegionOperationsIndependent() throws Exception {
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runTestRegionOperationsIndependent(true);
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createAndCloneSnapshot(true);
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runTestRegionOperationsIndependent();
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}
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@Test (timeout=300000)
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@Ignore
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@Test
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public void testOfflineSnapshotDeleteIndependent() throws Exception {
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runTestSnapshotDeleteIndependent(false);
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createAndCloneSnapshot(false);
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runTestSnapshotDeleteIndependent();
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}
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@Ignore ("Flakey test") @Test (timeout=300000)
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@Test
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public void testOnlineSnapshotDeleteIndependent() throws Exception {
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runTestSnapshotDeleteIndependent(true);
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createAndCloneSnapshot(true);
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runTestSnapshotDeleteIndependent();
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}
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private static void waitOnSplit(Connection c, final Table t, int originalCount) throws Exception {
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for (int i = 0; i < 200; i++) {
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try {
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Thread.sleep(500);
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} catch (InterruptedException e) {
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// Restore the interrupted status
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Thread.currentThread().interrupt();
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}
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Threads.sleepWithoutInterrupt(500);
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try (RegionLocator locator = c.getRegionLocator(t.getName())) {
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if (locator.getAllRegionLocations().size() > originalCount) {
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return;
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@ -208,240 +237,125 @@ public class TestSnapshotCloneIndependence {
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throw new Exception("Split did not increase the number of regions");
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}
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/*
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* Take a snapshot of a table, add data, and verify that this only
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* affects one table
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/**
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* Takes the snapshot of originalTable and clones the snapshot to another tables.
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* If {@code online} is false, the original table is disabled during taking snapshot, so also
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* enables it again.
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* @param online - Whether the table is online or not during the snapshot
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*/
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private void runTestSnapshotAppendIndependent(boolean online) throws Exception {
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FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
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Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
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private void createAndCloneSnapshot(boolean online) throws Exception {
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SnapshotTestingUtils.createSnapshotAndValidate(admin, originalTableName, TEST_FAM_STR,
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snapshotNameAsString, rootDir, fs, online);
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Admin admin = UTIL.getHBaseAdmin();
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final long startTime = System.currentTimeMillis();
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final TableName localTableName =
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TableName.valueOf(STRING_TABLE_NAME + startTime);
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// If offline, enable the table disabled by snapshot testing util.
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if (!online) {
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admin.enableTable(originalTableName);
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UTIL.waitTableAvailable(originalTableName);
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}
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try (Table original = createTable(localTableName, TEST_FAM)) {
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loadData(original, TEST_FAM);
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final int origTableRowCount = countRows(original);
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admin.cloneSnapshot(snapshotName, cloneTableName);
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UTIL.waitUntilAllRegionsAssigned(cloneTableName);
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}
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// Take a snapshot
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final String snapshotNameAsString = "snapshot_" + localTableName;
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byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
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/**
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* Verify that adding data to original table or clone table doesn't affect other table.
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*/
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private void runTestSnapshotAppendIndependent() throws Exception {
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try (Table clonedTable = UTIL.getConnection().getTable(cloneTableName)) {
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final int clonedTableRowCount = countRows(clonedTable);
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SnapshotTestingUtils.createSnapshotAndValidate(admin, localTableName, TEST_FAM_STR,
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snapshotNameAsString, rootDir, fs, online);
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Assert.assertEquals(
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"The line counts of original and cloned tables do not match after clone. ",
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countOriginalTable, clonedTableRowCount);
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if (!online) {
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tryDisable(admin, localTableName);
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}
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TableName cloneTableName = TableName.valueOf("test-clone-" + localTableName);
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admin.cloneSnapshot(snapshotName, cloneTableName);
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// Attempt to add data to the test
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Put p = new Put(Bytes.toBytes("new-row-" + System.currentTimeMillis()));
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p.addColumn(TEST_FAM, Bytes.toBytes("someQualifier"), Bytes.toBytes("someString"));
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originalTable.put(p);
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try (Table clonedTable = UTIL.getConnection().getTable(cloneTableName)) {
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// Verify that the new row is not in the restored table
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Assert.assertEquals("The row count of the original table was not modified by the put",
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countOriginalTable + 1, countRows(originalTable));
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Assert.assertEquals(
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"The row count of the cloned table changed as a result of addition to the original",
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clonedTableRowCount, countRows(clonedTable));
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// Make sure that all the regions are available before starting
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UTIL.waitUntilAllRegionsAssigned(cloneTableName);
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Put p2 = new Put(Bytes.toBytes("new-row-" + System.currentTimeMillis()));
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p2.addColumn(TEST_FAM, Bytes.toBytes("someQualifier"), Bytes.toBytes("someString"));
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clonedTable.put(p2);
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final int clonedTableRowCount = countRows(clonedTable);
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Assert.assertEquals(
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"The line counts of original and cloned tables do not match after clone. ",
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origTableRowCount, clonedTableRowCount);
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// Attempt to add data to the test
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final String rowKey = "new-row-" + System.currentTimeMillis();
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Put p = new Put(Bytes.toBytes(rowKey));
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p.addColumn(TEST_FAM, Bytes.toBytes("someQualifier"), Bytes.toBytes("someString"));
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original.put(p);
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// Verify that it is not present in the original table
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Assert.assertEquals("The row count of the original table was not modified by the put",
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origTableRowCount + 1, countRows(original));
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Assert.assertEquals(
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"The row count of the cloned table changed as a result of addition to the original",
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clonedTableRowCount, countRows(clonedTable));
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p = new Put(Bytes.toBytes(rowKey));
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p.addColumn(TEST_FAM, Bytes.toBytes("someQualifier"), Bytes.toBytes("someString"));
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clonedTable.put(p);
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// Verify that the new family is not in the restored table's description
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Assert.assertEquals(
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"The row count of the original table was modified by the put to the clone",
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origTableRowCount + 1, countRows(original));
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Assert.assertEquals("The row count of the cloned table was not modified by the put",
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clonedTableRowCount + 1, countRows(clonedTable));
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}
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// Verify that the row is not added to the original table.
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Assert.assertEquals(
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"The row count of the original table was modified by the put to the clone",
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countOriginalTable + 1, countRows(originalTable));
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Assert.assertEquals("The row count of the cloned table was not modified by the put",
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clonedTableRowCount + 1, countRows(clonedTable));
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}
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}
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/*
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* Take a snapshot of a table, do a split, and verify that this only affects one table
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* @param online - Whether the table is online or not during the snapshot
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/**
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* Do a split, and verify that this only affects one table
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*/
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private void runTestRegionOperationsIndependent(boolean online) throws Exception {
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FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
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Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
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// Create a table
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Admin admin = UTIL.getHBaseAdmin();
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final long startTime = System.currentTimeMillis();
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final TableName localTableName =
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TableName.valueOf(STRING_TABLE_NAME + startTime);
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Table original = createTable(localTableName, TEST_FAM);
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loadData(original, TEST_FAM);
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final int loadedTableCount = countRows(original);
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System.out.println("Original table has: " + loadedTableCount + " rows");
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final String snapshotNameAsString = "snapshot_" + localTableName;
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// Create a snapshot
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SnapshotTestingUtils.createSnapshotAndValidate(admin, localTableName, TEST_FAM_STR,
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snapshotNameAsString, rootDir, fs, online);
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if (!online) {
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tryDisable(admin, localTableName);
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}
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TableName cloneTableName = TableName.valueOf("test-clone-" + localTableName);
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// Clone the snapshot
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byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
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admin.cloneSnapshot(snapshotName, cloneTableName);
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private void runTestRegionOperationsIndependent() throws Exception {
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// Verify that region information is the same pre-split
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((ClusterConnection) UTIL.getConnection()).clearRegionCache();
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List<HRegionInfo> originalTableHRegions = admin.getTableRegions(localTableName);
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List<HRegionInfo> originalTableHRegions = admin.getTableRegions(originalTableName);
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final int originalRegionCount = originalTableHRegions.size();
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final int cloneTableRegionCount = admin.getTableRegions(cloneTableName).size();
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Assert.assertEquals(
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"The number of regions in the cloned table is different than in the original table.",
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originalRegionCount, cloneTableRegionCount);
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"The number of regions in the cloned table is different than in the original table.",
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originalRegionCount, cloneTableRegionCount);
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// Split a region on the parent table
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admin.splitRegion(originalTableHRegions.get(0).getRegionName());
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waitOnSplit(UTIL.getConnection(), original, originalRegionCount);
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waitOnSplit(UTIL.getConnection(), originalTable, originalRegionCount);
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// Verify that the cloned table region is not split
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final int cloneTableRegionCount2 = admin.getTableRegions(cloneTableName).size();
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Assert.assertEquals(
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"The number of regions in the cloned table changed though none of its regions were split.",
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cloneTableRegionCount, cloneTableRegionCount2);
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"The number of regions in the cloned table changed though none of its regions were split.",
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cloneTableRegionCount, cloneTableRegionCount2);
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}
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/*
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* Take a snapshot of a table, add metadata, and verify that this only
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* affects one table
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* @param online - Whether the table is online or not during the snapshot
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/**
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* Add metadata, and verify that this only affects one table
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*/
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private void runTestSnapshotMetadataChangesIndependent(boolean online) throws Exception {
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FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
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Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
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// Create a table
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Admin admin = UTIL.getHBaseAdmin();
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final long startTime = System.currentTimeMillis();
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final TableName localTableName =
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TableName.valueOf(STRING_TABLE_NAME + startTime);
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Table original = createTable(localTableName, TEST_FAM);
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loadData(original, TEST_FAM);
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final String snapshotNameAsString = "snapshot_" + localTableName;
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// Create a snapshot
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SnapshotTestingUtils.createSnapshotAndValidate(admin, localTableName, TEST_FAM_STR,
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snapshotNameAsString, rootDir, fs, online);
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if (!online) {
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tryDisable(admin, localTableName);
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}
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TableName cloneTableName = TableName.valueOf("test-clone-" + localTableName);
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// Clone the snapshot
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byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
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admin.cloneSnapshot(snapshotName, cloneTableName);
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private void runTestSnapshotMetadataChangesIndependent() throws Exception {
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// Add a new column family to the original table
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byte[] TEST_FAM_2 = Bytes.toBytes("fam2");
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HColumnDescriptor hcd = new HColumnDescriptor(TEST_FAM_2);
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tryDisable(admin, localTableName);
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admin.addColumnFamily(localTableName, hcd);
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admin.disableTable(originalTableName);
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admin.addColumnFamily(originalTableName, hcd);
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// Verify that it is not in the snapshot
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admin.enableTable(localTableName);
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UTIL.waitTableAvailable(localTableName);
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admin.enableTable(originalTableName);
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UTIL.waitTableAvailable(originalTableName);
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// get a description of the cloned table
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// get a list of its families
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// assert that the family is there
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HTableDescriptor originalTableDescriptor = original.getTableDescriptor();
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HTableDescriptor originalTableDescriptor = originalTable.getTableDescriptor();
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HTableDescriptor clonedTableDescriptor = admin.getTableDescriptor(cloneTableName);
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Assert.assertTrue("The original family was not found. There is something wrong. ",
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originalTableDescriptor.hasFamily(TEST_FAM));
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originalTableDescriptor.hasFamily(TEST_FAM));
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Assert.assertTrue("The original family was not found in the clone. There is something wrong. ",
|
||||
clonedTableDescriptor.hasFamily(TEST_FAM));
|
||||
clonedTableDescriptor.hasFamily(TEST_FAM));
|
||||
|
||||
Assert.assertTrue("The new family was not found. ",
|
||||
originalTableDescriptor.hasFamily(TEST_FAM_2));
|
||||
originalTableDescriptor.hasFamily(TEST_FAM_2));
|
||||
Assert.assertTrue("The new family was not found. ",
|
||||
!clonedTableDescriptor.hasFamily(TEST_FAM_2));
|
||||
!clonedTableDescriptor.hasFamily(TEST_FAM_2));
|
||||
}
|
||||
|
||||
private void tryDisable(Admin admin, TableName localTableName) throws IOException {
|
||||
int offlineRetry = 0;
|
||||
while ( offlineRetry < 5 && admin.isTableEnabled(localTableName)) {
|
||||
try {
|
||||
admin.disableTable(localTableName);
|
||||
} catch (IOException ioe) {
|
||||
LOG.warn("Error disabling the table", ioe);
|
||||
}
|
||||
offlineRetry ++;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Take a snapshot of a table, add data, and verify that deleting the snapshot does not affect
|
||||
* either table.
|
||||
* @param online - Whether the table is online or not during the snapshot
|
||||
/**
|
||||
* Verify that deleting the snapshot does not affect either table.
|
||||
*/
|
||||
private void runTestSnapshotDeleteIndependent(boolean online) throws Exception {
|
||||
FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
|
||||
Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
|
||||
|
||||
final Admin admin = UTIL.getHBaseAdmin();
|
||||
final long startTime = System.currentTimeMillis();
|
||||
final TableName localTableName =
|
||||
TableName.valueOf(STRING_TABLE_NAME + startTime);
|
||||
|
||||
try (Table original = createTable(localTableName, TEST_FAM)) {
|
||||
loadData(original, TEST_FAM);
|
||||
}
|
||||
|
||||
// Take a snapshot
|
||||
final String snapshotNameAsString = "snapshot_" + localTableName;
|
||||
byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
|
||||
|
||||
SnapshotTestingUtils.createSnapshotAndValidate(admin, localTableName, TEST_FAM_STR,
|
||||
snapshotNameAsString, rootDir, fs, online);
|
||||
|
||||
if (!online) {
|
||||
tryDisable(admin, localTableName);
|
||||
}
|
||||
|
||||
TableName cloneTableName = TableName.valueOf("test-clone-" + localTableName);
|
||||
admin.cloneSnapshot(snapshotName, cloneTableName);
|
||||
|
||||
UTIL.waitUntilAllRegionsAssigned(cloneTableName);
|
||||
|
||||
private void runTestSnapshotDeleteIndependent() throws Exception {
|
||||
// Ensure the original table does not reference the HFiles anymore
|
||||
admin.majorCompact(localTableName);
|
||||
admin.majorCompact(originalTableName);
|
||||
|
||||
// Deleting the snapshot used to break the cloned table by deleting in-use HFiles
|
||||
admin.deleteSnapshot(snapshotName);
|
||||
|
|
@ -451,7 +365,7 @@ public class TestSnapshotCloneIndependence {
|
|||
Thread.sleep(5000);
|
||||
} while (!admin.listSnapshots(snapshotNameAsString).isEmpty());
|
||||
|
||||
try (Table original = UTIL.getConnection().getTable(localTableName)) {
|
||||
try (Table original = UTIL.getConnection().getTable(originalTableName)) {
|
||||
try (Table clonedTable = UTIL.getConnection().getTable(cloneTableName)) {
|
||||
// Verify that all regions of both tables are readable
|
||||
final int origTableRowCount = countRows(original);
|
||||
|
|
@ -462,7 +376,7 @@ public class TestSnapshotCloneIndependence {
|
|||
}
|
||||
|
||||
protected Table createTable(final TableName table, byte[] family) throws Exception {
|
||||
Table t = UTIL.createTable(table, family);
|
||||
Table t = UTIL.createTable(table, family);
|
||||
// Wait for everything to be ready with the table
|
||||
UTIL.waitUntilAllRegionsAssigned(table);
|
||||
|
||||
|
|
@ -470,11 +384,11 @@ public class TestSnapshotCloneIndependence {
|
|||
return t;
|
||||
}
|
||||
|
||||
protected void loadData(final Table table, byte[]... families) throws Exception {
|
||||
UTIL.loadTable(table, families);
|
||||
public void loadData(final Table table, byte[]... families) throws Exception {
|
||||
UTIL.loadTable(originalTable, TEST_FAM);
|
||||
}
|
||||
|
||||
protected int countRows(final Table table, final byte[]... families) throws Exception {
|
||||
return UTIL.countRows(table, families);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue