use of io.pravega.segmentstore.storage.mocks.InMemoryTaskQueueManager in project pravega by pravega.
the class SimpleStorageTests method forkStorage.
/**
* Creates a new instance of Storage with forked metadata state.
*
* Any changes made inside forked instance are not visible in other instances. Useful for testing zombie scenarios.
*
* @param storage Storage to fork.
* @return New forked storage.
* @throws Exception Exceptions in case of any errors.
*/
protected Storage forkStorage(ChunkedSegmentStorage storage) throws Exception {
ScheduledExecutorService executor = executorService();
ChunkedSegmentStorage forkedChunkedSegmentStorage = new ChunkedSegmentStorage(CONTAINER_ID, storage.getChunkStorage(), getCloneMetadataStore(storage.getMetadataStore()), executor, storage.getConfig());
forkedChunkedSegmentStorage.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
return forkedChunkedSegmentStorage;
}
use of io.pravega.segmentstore.storage.mocks.InMemoryTaskQueueManager in project pravega by pravega.
the class SystemJournalTests method testSystemSegmentNoConcatAllowed.
@Test
public void testSystemSegmentNoConcatAllowed() throws Exception {
@Cleanup ChunkStorage chunkStorage = getChunkStorage();
@Cleanup ChunkMetadataStore metadataStore = getMetadataStore();
int containerId = 42;
int maxLength = 8;
long epoch = 1;
val data = new InMemorySnapshotInfoStore();
val snapshotInfoStore = new SnapshotInfoStore(containerId, snapshotId -> data.setSnapshotId(containerId, snapshotId), () -> data.getSnapshotId(containerId));
@Cleanup val garbageCollector = new GarbageCollector(containerId, chunkStorage, metadataStore, ChunkedSegmentStorageConfig.DEFAULT_CONFIG, executorService());
garbageCollector.initialize(new InMemoryTaskQueueManager()).join();
val policy = new SegmentRollingPolicy(maxLength);
val config = getDefaultConfigBuilder(policy).build();
val journal = new SystemJournal(containerId, chunkStorage, metadataStore, garbageCollector, config, executorService());
val systemSegmentName = NameUtils.getAttributeSegmentName(NameUtils.getMetadataSegmentName(containerId));
Assert.assertTrue(journal.isStorageSystemSegment(systemSegmentName));
// Init
long offset = 0;
// Start container with epoch 1
@Cleanup ChunkedSegmentStorage segmentStorage = new ChunkedSegmentStorage(containerId, chunkStorage, metadataStore, executorService(), config);
segmentStorage.initialize(epoch);
segmentStorage.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
segmentStorage.bootstrap(snapshotInfoStore, null).join();
deleteGarbage(segmentStorage);
segmentStorage.create("test", null).get();
AssertExtensions.assertFutureThrows("concat() should throw", segmentStorage.concat(SegmentStorageHandle.writeHandle(systemSegmentName), 0, "test", null), ex -> ex instanceof IllegalStateException);
AssertExtensions.assertFutureThrows("concat() should throw", segmentStorage.concat(SegmentStorageHandle.writeHandle("test"), 0, systemSegmentName, null), ex -> ex instanceof IllegalStateException);
}
use of io.pravega.segmentstore.storage.mocks.InMemoryTaskQueueManager in project pravega by pravega.
the class SystemJournalTests method testInitialization.
@Test
public void testInitialization() throws Exception {
@Cleanup ChunkStorage chunkStorage = getChunkStorage();
@Cleanup ChunkMetadataStore metadataStore = getMetadataStore();
int containerId = 42;
@Cleanup val garbageCollector = new GarbageCollector(containerId, chunkStorage, metadataStore, ChunkedSegmentStorageConfig.DEFAULT_CONFIG, executorService());
garbageCollector.initialize(new InMemoryTaskQueueManager()).join();
int maxLength = 8;
long epoch = 1;
val policy = new SegmentRollingPolicy(maxLength);
val config = getDefaultConfigBuilder(policy).build();
// Init
SystemJournal journal = new SystemJournal(containerId, chunkStorage, metadataStore, garbageCollector, config, executorService());
// Assert.assertEquals(epoch, journal.getEpoch());
Assert.assertEquals(containerId, journal.getContainerId());
Assert.assertEquals(policy.getMaxLength(), journal.getConfig().getStorageMetadataRollingPolicy().getMaxLength());
// Assert.assertEquals(epoch, journal.getEpoch());
Assert.assertEquals(0, journal.getCurrentFileIndex().get());
Assert.assertEquals(NameUtils.INTERNAL_CONTAINER_PREFIX, journal.getSystemSegmentsPrefix());
Assert.assertArrayEquals(SystemJournal.getChunkStorageSystemSegments(containerId), journal.getSystemSegments());
journal.initialize();
}
use of io.pravega.segmentstore.storage.mocks.InMemoryTaskQueueManager in project pravega by pravega.
the class SystemJournalTests method testSimpleBootstrapWithMultipleFailovers.
private void testSimpleBootstrapWithMultipleFailovers(int containerId, ChunkStorage chunkStorage, ChunkedSegmentStorageConfig config, Consumer<Long> faultInjection) throws Exception {
@Cleanup CleanupHelper cleanupHelper = new CleanupHelper();
String systemSegmentName = SystemJournal.getChunkStorageSystemSegments(containerId)[0];
long epoch = 0;
val data = new InMemorySnapshotInfoStore();
val snapshotInfoStore = new SnapshotInfoStore(containerId, snapshotId -> data.setSnapshotId(containerId, snapshotId), () -> data.getSnapshotId(containerId));
long offset = 0;
ChunkedSegmentStorage oldChunkedSegmentStorage = null;
SegmentHandle oldHandle = null;
for (int i = 1; i < 10; i++) {
// Epoch 2
epoch++;
ChunkMetadataStore metadataStoreAfterCrash = getMetadataStore();
cleanupHelper.add(metadataStoreAfterCrash);
ChunkedSegmentStorage segmentStorageInLoop = new ChunkedSegmentStorage(containerId, chunkStorage, metadataStoreAfterCrash, executorService(), config);
cleanupHelper.add(segmentStorageInLoop);
segmentStorageInLoop.initialize(epoch);
segmentStorageInLoop.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
segmentStorageInLoop.bootstrap(snapshotInfoStore, null).join();
deleteGarbage(segmentStorageInLoop);
checkSystemSegmentsLayout(segmentStorageInLoop);
val h = segmentStorageInLoop.openWrite(systemSegmentName).join();
if (null != oldChunkedSegmentStorage) {
oldChunkedSegmentStorage.write(oldHandle, offset, new ByteArrayInputStream("junk".getBytes()), 4, null).join();
}
val b1 = "Test".getBytes();
segmentStorageInLoop.write(h, offset, new ByteArrayInputStream(b1), b1.length, null).join();
offset += b1.length;
val b2 = Integer.toString(i).getBytes();
segmentStorageInLoop.write(h, offset, new ByteArrayInputStream(b2), b2.length, null).join();
offset += b2.length;
oldChunkedSegmentStorage = segmentStorageInLoop;
oldHandle = h;
}
if (null != faultInjection) {
faultInjection.accept(epoch);
}
epoch++;
@Cleanup ChunkMetadataStore metadataStoreFinal = getMetadataStore();
@Cleanup ChunkedSegmentStorage segmentStorageFinal = new ChunkedSegmentStorage(containerId, chunkStorage, metadataStoreFinal, executorService(), config);
segmentStorageFinal.initialize(epoch);
segmentStorageFinal.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
segmentStorageFinal.bootstrap(snapshotInfoStore, null).join();
deleteGarbage(segmentStorageFinal);
checkSystemSegmentsLayout(segmentStorageFinal);
val info = segmentStorageFinal.getStreamSegmentInfo(systemSegmentName, null).join();
Assert.assertEquals(offset, info.getLength());
byte[] out = new byte[Math.toIntExact(offset)];
val hr = segmentStorageFinal.openRead(systemSegmentName).join();
segmentStorageFinal.read(hr, 0, out, 0, Math.toIntExact(offset), null).join();
val expected = "Test1Test2Test3Test4Test5Test6Test7Test8Test9";
val actual = new String(out);
Assert.assertEquals(expected, actual);
}
use of io.pravega.segmentstore.storage.mocks.InMemoryTaskQueueManager in project pravega by pravega.
the class SystemJournalTests method testSimpleBootstrapWithPartialDataWrite.
/**
* Tests a scenario when journal chunks may be partially written during failure.
*
* @throws Exception Throws exception in case of any error.
*/
@Test
public void testSimpleBootstrapWithPartialDataWrite() throws Exception {
@Cleanup ChunkStorage chunkStorage = getChunkStorage();
if (!chunkStorage.supportsAppend()) {
return;
}
@Cleanup ChunkMetadataStore metadataStore = getMetadataStore();
@Cleanup ChunkMetadataStore metadataStoreAfterCrash = getMetadataStore();
int containerId = 42;
String systemSegmentName = SystemJournal.getChunkStorageSystemSegments(containerId)[0];
long epoch = 1;
val policy = new SegmentRollingPolicy(4);
val config = getDefaultConfigBuilder(policy).build();
val data = new InMemorySnapshotInfoStore();
val snapshotInfoStore = new SnapshotInfoStore(containerId, snapshotId -> data.setSnapshotId(containerId, snapshotId), () -> data.getSnapshotId(containerId));
long offset = 0;
// Epoch 1
@Cleanup ChunkedSegmentStorage segmentStorage1 = new ChunkedSegmentStorage(containerId, chunkStorage, metadataStore, executorService(), config);
segmentStorage1.initialize(epoch);
segmentStorage1.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
// Bootstrap
segmentStorage1.bootstrap(snapshotInfoStore, null).join();
deleteGarbage(segmentStorage1);
checkSystemSegmentsLayout(segmentStorage1);
// Simulate some writes to system segment, this should cause some new chunks being added.
val h = segmentStorage1.openWrite(systemSegmentName).join();
val b1 = "Hello".getBytes();
segmentStorage1.write(h, offset, new ByteArrayInputStream(b1), b1.length, null).join();
offset += b1.length;
// Inject a fault by adding some garbage at the end
checkSystemSegmentsLayout(segmentStorage1);
val chunkFileName = NameUtils.getSystemJournalFileName(segmentStorage1.getSystemJournal().getContainerId(), segmentStorage1.getSystemJournal().getEpoch(), segmentStorage1.getSystemJournal().getCurrentFileIndex().get());
val chunkInfo = chunkStorage.getInfo(chunkFileName);
chunkStorage.write(ChunkHandle.writeHandle(chunkFileName), chunkInfo.get().getLength(), 1, new ByteArrayInputStream(new byte[1])).get();
// This next write will encounter partially written chunk and is expected to start a new chunk.
val b2 = " World".getBytes();
segmentStorage1.write(h, offset, new ByteArrayInputStream(b2), b2.length, null).join();
offset += b2.length;
checkSystemSegmentsLayout(segmentStorage1);
// Step 2
// Start container with epoch 2
epoch++;
@Cleanup ChunkedSegmentStorage segmentStorage2 = new ChunkedSegmentStorage(containerId, chunkStorage, metadataStoreAfterCrash, executorService(), config);
segmentStorage2.initialize(epoch);
segmentStorage2.getGarbageCollector().initialize(new InMemoryTaskQueueManager()).join();
// Bootstrap
segmentStorage2.bootstrap(snapshotInfoStore, null).join();
deleteGarbage(segmentStorage2);
checkSystemSegmentsLayout(segmentStorage2);
// Validate
val info = segmentStorage2.getStreamSegmentInfo(systemSegmentName, null).join();
Assert.assertEquals(b1.length + b2.length, info.getLength());
byte[] out = new byte[b1.length + b2.length];
val hr = segmentStorage2.openRead(systemSegmentName).join();
segmentStorage2.read(hr, 0, out, 0, b1.length + b2.length, null).join();
Assert.assertEquals("Hello World", new String(out));
}
Aggregations