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Example 21 with VoidBlobStore

use of org.apache.flink.runtime.blob.VoidBlobStore in project flink by splunk.

the class BlobLibraryCacheManagerTest method testLibraryCacheManagerCleanup.

/**
 * Tests that the {@link BlobLibraryCacheManager} cleans up after all class loader leases for a
 * single job a closed.
 */
@Test
public void testLibraryCacheManagerCleanup() throws Exception {
    JobID jobId = new JobID();
    List<PermanentBlobKey> keys = new ArrayList<>();
    BlobServer server = null;
    PermanentBlobCache cache = null;
    BlobLibraryCacheManager libCache = null;
    final byte[] buf = new byte[128];
    try {
        Configuration config = new Configuration();
        config.setLong(BlobServerOptions.CLEANUP_INTERVAL, 1L);
        server = new BlobServer(config, temporaryFolder.newFolder(), new VoidBlobStore());
        server.start();
        InetSocketAddress serverAddress = new InetSocketAddress("localhost", server.getPort());
        cache = new PermanentBlobCache(config, temporaryFolder.newFolder(), new VoidBlobStore(), serverAddress);
        keys.add(server.putPermanent(jobId, buf));
        buf[0] += 1;
        keys.add(server.putPermanent(jobId, buf));
        libCache = createBlobLibraryCacheManager(cache);
        cache.registerJob(jobId);
        assertEquals(0, libCache.getNumberOfManagedJobs());
        assertEquals(0, libCache.getNumberOfReferenceHolders(jobId));
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(0, jobId, cache);
        final LibraryCacheManager.ClassLoaderLease classLoaderLease1 = libCache.registerClassLoaderLease(jobId);
        UserCodeClassLoader classLoader1 = classLoaderLease1.getOrResolveClassLoader(keys, Collections.emptyList());
        assertEquals(1, libCache.getNumberOfManagedJobs());
        assertEquals(1, libCache.getNumberOfReferenceHolders(jobId));
        assertEquals(2, checkFilesExist(jobId, keys, cache, true));
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(2, jobId, cache);
        final LibraryCacheManager.ClassLoaderLease classLoaderLease2 = libCache.registerClassLoaderLease(jobId);
        final UserCodeClassLoader classLoader2 = classLoaderLease2.getOrResolveClassLoader(keys, Collections.emptyList());
        assertThat(classLoader1, sameInstance(classLoader2));
        try {
            classLoaderLease1.getOrResolveClassLoader(Collections.emptyList(), Collections.emptyList());
            fail("Should fail with an IllegalStateException");
        } catch (IllegalStateException e) {
        // that's what we want
        }
        try {
            classLoaderLease1.getOrResolveClassLoader(keys, Collections.singletonList(new URL("file:///tmp/does-not-exist")));
            fail("Should fail with an IllegalStateException");
        } catch (IllegalStateException e) {
        // that's what we want
        }
        assertEquals(1, libCache.getNumberOfManagedJobs());
        assertEquals(2, libCache.getNumberOfReferenceHolders(jobId));
        assertEquals(2, checkFilesExist(jobId, keys, cache, true));
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(2, jobId, cache);
        classLoaderLease1.release();
        assertEquals(1, libCache.getNumberOfManagedJobs());
        assertEquals(1, libCache.getNumberOfReferenceHolders(jobId));
        assertEquals(2, checkFilesExist(jobId, keys, cache, true));
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(2, jobId, cache);
        classLoaderLease2.release();
        assertEquals(0, libCache.getNumberOfManagedJobs());
        assertEquals(0, libCache.getNumberOfReferenceHolders(jobId));
        assertEquals(2, checkFilesExist(jobId, keys, cache, true));
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(2, jobId, cache);
    // only PermanentBlobCache#releaseJob() calls clean up files (tested in
    // BlobCacheCleanupTest etc.
    } finally {
        if (libCache != null) {
            libCache.shutdown();
        }
        // should have been closed by the libraryCacheManager, but just in case
        if (cache != null) {
            cache.close();
        }
        if (server != null) {
            server.close();
        }
    }
}
Also used : Configuration(org.apache.flink.configuration.Configuration) InetSocketAddress(java.net.InetSocketAddress) ArrayList(java.util.ArrayList) URL(java.net.URL) UserCodeClassLoader(org.apache.flink.util.UserCodeClassLoader) VoidBlobStore(org.apache.flink.runtime.blob.VoidBlobStore) PermanentBlobCache(org.apache.flink.runtime.blob.PermanentBlobCache) PermanentBlobKey(org.apache.flink.runtime.blob.PermanentBlobKey) BlobServer(org.apache.flink.runtime.blob.BlobServer) JobID(org.apache.flink.api.common.JobID) Test(org.junit.Test)

Example 22 with VoidBlobStore

use of org.apache.flink.runtime.blob.VoidBlobStore in project flink by splunk.

the class DefaultExecutionGraphDeploymentWithBlobCacheTest method setupBlobServer.

@Before
@Override
public void setupBlobServer() throws IOException {
    Configuration config = new Configuration();
    // always offload the serialized job and task information
    config.setInteger(BlobServerOptions.OFFLOAD_MINSIZE, 0);
    blobServer = new BlobServer(config, TEMPORARY_FOLDER.newFolder(), new VoidBlobStore());
    blobServer.start();
    blobWriter = blobServer;
    InetSocketAddress serverAddress = new InetSocketAddress("localhost", blobServer.getPort());
    blobCache = new PermanentBlobCache(config, TEMPORARY_FOLDER.newFolder(), new VoidBlobStore(), serverAddress);
}
Also used : VoidBlobStore(org.apache.flink.runtime.blob.VoidBlobStore) PermanentBlobCache(org.apache.flink.runtime.blob.PermanentBlobCache) Configuration(org.apache.flink.configuration.Configuration) InetSocketAddress(java.net.InetSocketAddress) BlobServer(org.apache.flink.runtime.blob.BlobServer) Before(org.junit.Before)

Example 23 with VoidBlobStore

use of org.apache.flink.runtime.blob.VoidBlobStore in project flink by splunk.

the class DefaultExecutionGraphDeploymentWithSmallBlobCacheSizeLimitTest method setupBlobServer.

@Before
@Override
public void setupBlobServer() throws IOException {
    Configuration config = new Configuration();
    // Always offload the serialized JobInformation, TaskInformation and cached
    // ShuffleDescriptors
    config.setInteger(BlobServerOptions.OFFLOAD_MINSIZE, 0);
    blobServer = new BlobServer(config, TEMPORARY_FOLDER.newFolder(), new VoidBlobStore());
    blobServer.start();
    blobWriter = blobServer;
    InetSocketAddress serverAddress = new InetSocketAddress("localhost", blobServer.getPort());
    // Set the size limit of the blob cache to 1
    BlobCacheSizeTracker blobCacheSizeTracker = new BlobCacheSizeTracker(1L);
    blobCache = new PermanentBlobCache(config, TEMPORARY_FOLDER.newFolder(), new VoidBlobStore(), serverAddress, blobCacheSizeTracker);
}
Also used : VoidBlobStore(org.apache.flink.runtime.blob.VoidBlobStore) PermanentBlobCache(org.apache.flink.runtime.blob.PermanentBlobCache) Configuration(org.apache.flink.configuration.Configuration) InetSocketAddress(java.net.InetSocketAddress) BlobCacheSizeTracker(org.apache.flink.runtime.blob.BlobCacheSizeTracker) BlobServer(org.apache.flink.runtime.blob.BlobServer) Before(org.junit.Before)

Example 24 with VoidBlobStore

use of org.apache.flink.runtime.blob.VoidBlobStore in project flink by splunk.

the class BlobLibraryCacheManagerTest method testRegisterAndDownload.

@Test
public void testRegisterAndDownload() throws IOException {
    // setWritable doesn't work on Windows.
    assumeTrue(!OperatingSystem.isWindows());
    JobID jobId = new JobID();
    BlobServer server = null;
    PermanentBlobCache cache = null;
    BlobLibraryCacheManager libCache = null;
    File cacheDir = null;
    try {
        // create the blob transfer services
        Configuration config = new Configuration();
        config.setLong(BlobServerOptions.CLEANUP_INTERVAL, 1_000_000L);
        server = new BlobServer(config, temporaryFolder.newFolder(), new VoidBlobStore());
        server.start();
        InetSocketAddress serverAddress = new InetSocketAddress("localhost", server.getPort());
        cache = new PermanentBlobCache(config, temporaryFolder.newFolder(), new VoidBlobStore(), serverAddress);
        // upload some meaningless data to the server
        PermanentBlobKey dataKey1 = server.putPermanent(jobId, new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 });
        PermanentBlobKey dataKey2 = server.putPermanent(jobId, new byte[] { 11, 12, 13, 14, 15, 16, 17, 18 });
        libCache = createBlobLibraryCacheManager(cache);
        assertEquals(0, libCache.getNumberOfManagedJobs());
        checkFileCountForJob(2, jobId, server);
        checkFileCountForJob(0, jobId, cache);
        // first try to access a non-existing entry
        assertEquals(0, libCache.getNumberOfReferenceHolders(new JobID()));
        // register some BLOBs as libraries
        {
            Collection<PermanentBlobKey> keys = Collections.singleton(dataKey1);
            cache.registerJob(jobId);
            final LibraryCacheManager.ClassLoaderLease classLoaderLease1 = libCache.registerClassLoaderLease(jobId);
            final UserCodeClassLoader classLoader1 = classLoaderLease1.getOrResolveClassLoader(keys, Collections.emptyList());
            assertEquals(1, libCache.getNumberOfManagedJobs());
            assertEquals(1, libCache.getNumberOfReferenceHolders(jobId));
            assertEquals(1, checkFilesExist(jobId, keys, cache, true));
            checkFileCountForJob(2, jobId, server);
            checkFileCountForJob(1, jobId, cache);
            final LibraryCacheManager.ClassLoaderLease classLoaderLease2 = libCache.registerClassLoaderLease(jobId);
            final UserCodeClassLoader classLoader2 = classLoaderLease2.getOrResolveClassLoader(keys, Collections.emptyList());
            assertThat(classLoader1, sameInstance(classLoader2));
            assertEquals(1, libCache.getNumberOfManagedJobs());
            assertEquals(2, libCache.getNumberOfReferenceHolders(jobId));
            assertEquals(1, checkFilesExist(jobId, keys, cache, true));
            checkFileCountForJob(2, jobId, server);
            checkFileCountForJob(1, jobId, cache);
            // un-register the job
            classLoaderLease1.release();
            // still one task
            assertEquals(1, libCache.getNumberOfManagedJobs());
            assertEquals(1, libCache.getNumberOfReferenceHolders(jobId));
            assertEquals(1, checkFilesExist(jobId, keys, cache, true));
            checkFileCountForJob(2, jobId, server);
            checkFileCountForJob(1, jobId, cache);
            // unregister the task registration
            classLoaderLease2.release();
            assertEquals(0, libCache.getNumberOfManagedJobs());
            assertEquals(0, libCache.getNumberOfReferenceHolders(jobId));
            // changing the libCache registration does not influence the BLOB stores...
            checkFileCountForJob(2, jobId, server);
            checkFileCountForJob(1, jobId, cache);
            cache.releaseJob(jobId);
            // library is still cached (but not associated with job any more)
            checkFileCountForJob(2, jobId, server);
            checkFileCountForJob(1, jobId, cache);
        }
        // see BlobUtils for the directory layout
        cacheDir = cache.getStorageLocation(jobId, new PermanentBlobKey()).getParentFile();
        assertTrue(cacheDir.exists());
        // make sure no further blobs can be downloaded by removing the write
        // permissions from the directory
        assertTrue("Could not remove write permissions from cache directory", cacheDir.setWritable(false, false));
        // since we cannot download this library any more, this call should fail
        try {
            cache.registerJob(jobId);
            final LibraryCacheManager.ClassLoaderLease classLoaderLease = libCache.registerClassLoaderLease(jobId);
            classLoaderLease.getOrResolveClassLoader(Collections.singleton(dataKey2), Collections.emptyList());
            fail("This should fail with an IOException");
        } catch (IOException e) {
            // splendid!
            cache.releaseJob(jobId);
        }
    } finally {
        if (cacheDir != null) {
            if (!cacheDir.setWritable(true, false)) {
                System.err.println("Could not re-add write permissions to cache directory.");
            }
        }
        if (cache != null) {
            cache.close();
        }
        if (libCache != null) {
            libCache.shutdown();
        }
        if (server != null) {
            server.close();
        }
    }
}
Also used : Configuration(org.apache.flink.configuration.Configuration) InetSocketAddress(java.net.InetSocketAddress) IOException(java.io.IOException) UserCodeClassLoader(org.apache.flink.util.UserCodeClassLoader) VoidBlobStore(org.apache.flink.runtime.blob.VoidBlobStore) PermanentBlobCache(org.apache.flink.runtime.blob.PermanentBlobCache) PermanentBlobKey(org.apache.flink.runtime.blob.PermanentBlobKey) Collection(java.util.Collection) BlobServer(org.apache.flink.runtime.blob.BlobServer) File(java.io.File) JobID(org.apache.flink.api.common.JobID) Test(org.junit.Test)

Example 25 with VoidBlobStore

use of org.apache.flink.runtime.blob.VoidBlobStore in project flink by splunk.

the class ZooKeeperLeaderRetrievalTest method before.

@Before
public void before() throws Exception {
    testingServer = new TestingServer();
    config = new Configuration();
    config.setString(HighAvailabilityOptions.HA_MODE, "zookeeper");
    config.setString(HighAvailabilityOptions.HA_ZOOKEEPER_QUORUM, testingServer.getConnectString());
    highAvailabilityServices = new ZooKeeperHaServices(ZooKeeperUtils.startCuratorFramework(config, testingFatalErrorHandlerResource.getFatalErrorHandler()), TestingUtils.defaultExecutor(), config, new VoidBlobStore());
}
Also used : TestingServer(org.apache.curator.test.TestingServer) ZooKeeperHaServices(org.apache.flink.runtime.highavailability.zookeeper.ZooKeeperHaServices) VoidBlobStore(org.apache.flink.runtime.blob.VoidBlobStore) Configuration(org.apache.flink.configuration.Configuration) Before(org.junit.Before)

Aggregations

VoidBlobStore (org.apache.flink.runtime.blob.VoidBlobStore)51 Configuration (org.apache.flink.configuration.Configuration)42 BlobServer (org.apache.flink.runtime.blob.BlobServer)39 Before (org.junit.Before)18 Test (org.junit.Test)18 InetSocketAddress (java.net.InetSocketAddress)15 JobID (org.apache.flink.api.common.JobID)15 PermanentBlobCache (org.apache.flink.runtime.blob.PermanentBlobCache)15 PermanentBlobKey (org.apache.flink.runtime.blob.PermanentBlobKey)12 UserCodeClassLoader (org.apache.flink.util.UserCodeClassLoader)9 BeforeClass (org.junit.BeforeClass)9 URL (java.net.URL)6 ArrayList (java.util.ArrayList)6 File (java.io.File)3 IOException (java.io.IOException)3 Collection (java.util.Collection)3 TestingServer (org.apache.curator.test.TestingServer)3 KubernetesConfigMap (org.apache.flink.kubernetes.kubeclient.resources.KubernetesConfigMap)3 BlobCacheSizeTracker (org.apache.flink.runtime.blob.BlobCacheSizeTracker)3 StandaloneCheckpointRecoveryFactory (org.apache.flink.runtime.checkpoint.StandaloneCheckpointRecoveryFactory)3