Examples with Stoppable org.apache.hadoop.hbase.Stoppable used on opensource projects

Example 11 with Stoppable

use of org.apache.hadoop.hbase.Stoppable in project phoenix by apache.

the class TestIndexWriter method testFailureOnRunningUpdateAbortsPending.

/**
   * Index updates can potentially be queued up if there aren't enough writer threads. If a running
   * index write fails, then we should early exit the pending indexupdate, when it comes up (if the
   * pool isn't already shutdown).
   * <p>
   * This test is a little bit racey - we could actually have the failure of the first task before
   * the third task is even submitted. However, we should never see the third task attempt to make
   * the batch write, so we should never see a failure here.
   * @throws Exception on failure
   */
@SuppressWarnings({ "unchecked", "deprecation" })
@Test
public void testFailureOnRunningUpdateAbortsPending() throws Exception {
    Abortable abort = new StubAbortable();
    Stoppable stop = Mockito.mock(Stoppable.class);
    // single thread factory so the older request gets queued
    ExecutorService exec = Executors.newFixedThreadPool(3);
    Map<ImmutableBytesPtr, HTableInterface> tables = new HashMap<ImmutableBytesPtr, HTableInterface>();
    FakeTableFactory factory = new FakeTableFactory(tables);
    // updates to two different tables
    byte[] tableName = Bytes.add(this.testName.getTableName(), new byte[] { 1, 2, 3, 4 });
    Put m = new Put(row);
    m.add(Bytes.toBytes("family"), Bytes.toBytes("qual"), null);
    // this will sort after the first tablename
    byte[] tableName2 = this.testName.getTableName();
    List<Pair<Mutation, byte[]>> indexUpdates = new ArrayList<Pair<Mutation, byte[]>>();
    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName));
    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName2));
    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName2));
    // first table will fail
    HTableInterface table = Mockito.mock(HTableInterface.class);
    Mockito.when(table.batch(Mockito.anyList())).thenThrow(new IOException("Intentional IOException for failed first write."));
    Mockito.when(table.getTableName()).thenReturn(tableName);
    RegionCoprocessorEnvironment e = Mockito.mock(RegionCoprocessorEnvironment.class);
    Configuration conf = new Configuration();
    Mockito.when(e.getConfiguration()).thenReturn(conf);
    Mockito.when(e.getSharedData()).thenReturn(new ConcurrentHashMap<String, Object>());
    // second table just blocks to make sure that the abort propagates to the third task
    final CountDownLatch waitOnAbortedLatch = new CountDownLatch(1);
    final boolean[] failed = new boolean[] { false };
    HTableInterface table2 = Mockito.mock(HTableInterface.class);
    Mockito.when(table2.getTableName()).thenReturn(tableName2);
    Mockito.when(table2.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            waitOnAbortedLatch.await();
            return null;
        }
    }).thenAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            failed[0] = true;
            throw new RuntimeException("Unexpected exception - second index table shouldn't have been written to");
        }
    });
    // add the tables to the set of tables, so its returned to the writer
    tables.put(new ImmutableBytesPtr(tableName), table);
    tables.put(new ImmutableBytesPtr(tableName2), table2);
    ParallelWriterIndexCommitter committer = new ParallelWriterIndexCommitter(VersionInfo.getVersion());
    committer.setup(factory, exec, abort, stop, 2, e);
    KillServerOnFailurePolicy policy = new KillServerOnFailurePolicy();
    policy.setup(stop, abort);
    IndexWriter writer = new IndexWriter(committer, policy);
    try {
        writer.write(indexUpdates);
        fail("Should not have successfully completed all index writes");
    } catch (SingleIndexWriteFailureException s) {
        LOG.info("Correctly got a failure to reach the index", s);
        // should have correctly gotten the correct abort, so let the next task execute
        waitOnAbortedLatch.countDown();
    }
    assertFalse("Third set of index writes never have been attempted - should have seen the abort before done!", failed[0]);
    writer.stop(this.testName.getTableNameString() + " finished");
    assertTrue("Factory didn't get shutdown after writer#stop!", factory.shutdown);
    assertTrue("ExectorService isn't terminated after writer#stop!", exec.isShutdown());
}

Example 12 with Stoppable

use of org.apache.hadoop.hbase.Stoppable in project phoenix by apache.

the class TestParalleWriterIndexCommitter method testCorrectlyCleansUpResources.

@Test
public void testCorrectlyCleansUpResources() throws Exception {
    ExecutorService exec = Executors.newFixedThreadPool(1);
    FakeTableFactory factory = new FakeTableFactory(Collections.<ImmutableBytesPtr, HTableInterface>emptyMap());
    ParallelWriterIndexCommitter writer = new ParallelWriterIndexCommitter(VersionInfo.getVersion());
    Abortable mockAbort = Mockito.mock(Abortable.class);
    Stoppable mockStop = Mockito.mock(Stoppable.class);
    RegionCoprocessorEnvironment e = Mockito.mock(RegionCoprocessorEnvironment.class);
    Configuration conf = new Configuration();
    Mockito.when(e.getConfiguration()).thenReturn(conf);
    Mockito.when(e.getSharedData()).thenReturn(new ConcurrentHashMap<String, Object>());
    // create a simple writer
    writer.setup(factory, exec, mockAbort, mockStop, 1, e);
    // stop the writer
    writer.stop(this.test.getTableNameString() + " finished");
    assertTrue("Factory didn't get shutdown after writer#stop!", factory.shutdown);
    assertTrue("ExectorService isn't terminated after writer#stop!", exec.isShutdown());
    Mockito.verifyZeroInteractions(mockAbort, mockStop);
}

Example 13 with Stoppable

use of org.apache.hadoop.hbase.Stoppable in project phoenix by apache.

the class TestParalleIndexWriter method testSynchronouslyCompletesAllWrites.

@SuppressWarnings({ "unchecked", "deprecation" })
@Test
public void testSynchronouslyCompletesAllWrites() throws Exception {
    LOG.info("Starting " + test.getTableNameString());
    LOG.info("Current thread is interrupted: " + Thread.interrupted());
    Abortable abort = new StubAbortable();
    Stoppable stop = Mockito.mock(Stoppable.class);
    ExecutorService exec = Executors.newFixedThreadPool(1);
    Map<ImmutableBytesPtr, HTableInterface> tables = new HashMap<ImmutableBytesPtr, HTableInterface>();
    FakeTableFactory factory = new FakeTableFactory(tables);
    RegionCoprocessorEnvironment e = Mockito.mock(RegionCoprocessorEnvironment.class);
    Configuration conf = new Configuration();
    Mockito.when(e.getConfiguration()).thenReturn(conf);
    Mockito.when(e.getSharedData()).thenReturn(new ConcurrentHashMap<String, Object>());
    ImmutableBytesPtr tableName = new ImmutableBytesPtr(this.test.getTableName());
    Put m = new Put(row);
    m.add(Bytes.toBytes("family"), Bytes.toBytes("qual"), null);
    Multimap<HTableInterfaceReference, Mutation> indexUpdates = ArrayListMultimap.<HTableInterfaceReference, Mutation>create();
    indexUpdates.put(new HTableInterfaceReference(tableName), m);
    HTableInterface table = Mockito.mock(HTableInterface.class);
    final boolean[] completed = new boolean[] { false };
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            // just keep track that it was called
            completed[0] = true;
            return null;
        }
    });
    Mockito.when(table.getTableName()).thenReturn(test.getTableName());
    // add the table to the set of tables, so its returned to the writer
    tables.put(tableName, table);
    // setup the writer and failure policy
    ParallelWriterIndexCommitter writer = new ParallelWriterIndexCommitter(VersionInfo.getVersion());
    writer.setup(factory, exec, abort, stop, 1, e);
    writer.write(indexUpdates, true);
    assertTrue("Writer returned before the table batch completed! Likely a race condition tripped", completed[0]);
    writer.stop(this.test.getTableNameString() + " finished");
    assertTrue("Factory didn't get shutdown after writer#stop!", factory.shutdown);
    assertTrue("ExectorService isn't terminated after writer#stop!", exec.isShutdown());
}

Example 14 with Stoppable

use of org.apache.hadoop.hbase.Stoppable in project phoenix by apache.

the class TestIndexWriter method testShutdownInterruptsAsExpected.

/**
   * Test that if we get an interruption to to the thread while doing a batch (e.g. via shutdown),
   * that we correctly end the task
   * @throws Exception on failure
   */
@SuppressWarnings({ "unchecked", "deprecation" })
@Test
public void testShutdownInterruptsAsExpected() throws Exception {
    Stoppable stop = Mockito.mock(Stoppable.class);
    Abortable abort = new StubAbortable();
    // single thread factory so the older request gets queued
    ExecutorService exec = Executors.newFixedThreadPool(1);
    Map<ImmutableBytesPtr, HTableInterface> tables = new HashMap<ImmutableBytesPtr, HTableInterface>();
    RegionCoprocessorEnvironment e = Mockito.mock(RegionCoprocessorEnvironment.class);
    Configuration conf = new Configuration();
    Mockito.when(e.getConfiguration()).thenReturn(conf);
    Mockito.when(e.getSharedData()).thenReturn(new ConcurrentHashMap<String, Object>());
    FakeTableFactory factory = new FakeTableFactory(tables);
    byte[] tableName = this.testName.getTableName();
    HTableInterface table = Mockito.mock(HTableInterface.class);
    Mockito.when(table.getTableName()).thenReturn(tableName);
    final CountDownLatch writeStartedLatch = new CountDownLatch(1);
    // latch never gets counted down, so we wait forever
    final CountDownLatch waitOnAbortedLatch = new CountDownLatch(1);
    Mockito.when(table.batch(Mockito.anyList())).thenAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            LOG.info("Write started");
            writeStartedLatch.countDown();
            // when we interrupt the thread for shutdown, we should see this throw an interrupt too
            try {
                waitOnAbortedLatch.await();
            } catch (InterruptedException e) {
                LOG.info("Correctly interrupted while writing!");
                throw e;
            }
            return null;
        }
    });
    // add the tables to the set of tables, so its returned to the writer
    tables.put(new ImmutableBytesPtr(tableName), table);
    // update a single table
    Put m = new Put(row);
    m.add(Bytes.toBytes("family"), Bytes.toBytes("qual"), null);
    final List<Pair<Mutation, byte[]>> indexUpdates = new ArrayList<Pair<Mutation, byte[]>>();
    indexUpdates.add(new Pair<Mutation, byte[]>(m, tableName));
    // setup the writer
    ParallelWriterIndexCommitter committer = new ParallelWriterIndexCommitter(VersionInfo.getVersion());
    committer.setup(factory, exec, abort, stop, 2, e);
    KillServerOnFailurePolicy policy = new KillServerOnFailurePolicy();
    policy.setup(stop, abort);
    final IndexWriter writer = new IndexWriter(committer, policy);
    final boolean[] failedWrite = new boolean[] { false };
    Thread primaryWriter = new Thread() {

        @Override
        public void run() {
            try {
                writer.write(indexUpdates);
            } catch (IndexWriteException e) {
                failedWrite[0] = true;
            }
        }
    };
    primaryWriter.start();
    // wait for the write to start before intentionally shutdown the pool
    writeStartedLatch.await();
    writer.stop("Shutting down writer for test " + this.testName.getTableNameString());
    primaryWriter.join();
    assertTrue("Writer should have failed because of the stop we issued", failedWrite[0]);
}

Example 15 with Stoppable

use of org.apache.hadoop.hbase.Stoppable in project hbase by apache.

the class TestCleanerChore method testSavesFilesOnRequest.

@Test
public void testSavesFilesOnRequest() throws Exception {
    Stoppable stop = new StoppableImplementation();
    Configuration conf = UTIL.getConfiguration();
    Path testDir = UTIL.getDataTestDir();
    FileSystem fs = UTIL.getTestFileSystem();
    String confKey = "hbase.test.cleaner.delegates";
    conf.set(confKey, NeverDelete.class.getName());
    AllValidPaths chore = new AllValidPaths("test-file-cleaner", stop, conf, fs, testDir, confKey);
    // create the directory layout in the directory to clean
    Path parent = new Path(testDir, "parent");
    Path file = new Path(parent, "someFile");
    fs.mkdirs(parent);
    // touch a new file
    fs.create(file).close();
    assertTrue("Test file didn't get created.", fs.exists(file));
    // run the chore
    chore.chore();
    // verify all the files got deleted
    assertTrue("File didn't get deleted", fs.exists(file));
    assertTrue("Empty directory didn't get deleted", fs.exists(parent));
}