Examples with ShardInfo com.facebook.presto.raptor.metadata.ShardInfo used on opensource projects

Example 11 with ShardInfo

use of com.facebook.presto.raptor.metadata.ShardInfo in project presto by prestodb.

the class TestOrcStorageManager method testWriter.

@Test
public void testWriter() throws Exception {
    OrcStorageManager manager = createOrcStorageManager();
    List<Long> columnIds = ImmutableList.of(3L, 7L);
    List<Type> columnTypes = ImmutableList.of(BIGINT, createVarcharType(10));
    StoragePageSink sink = createStoragePageSink(manager, columnIds, columnTypes);
    List<Page> pages = rowPagesBuilder(columnTypes).row(123L, "hello").row(456L, "bye").build();
    sink.appendPages(pages);
    // shard is not recorded until flush
    assertEquals(shardRecorder.getShards().size(), 0);
    sink.flush();
    // shard is recorded after flush
    List<RecordedShard> recordedShards = shardRecorder.getShards();
    assertEquals(recordedShards.size(), 1);
    List<ShardInfo> shards = getFutureValue(sink.commit());
    assertEquals(shards.size(), 1);
    ShardInfo shardInfo = Iterables.getOnlyElement(shards);
    UUID shardUuid = shardInfo.getShardUuid();
    File file = storageService.getStorageFile(shardUuid);
    File backupFile = fileBackupStore.getBackupFile(shardUuid);
    assertEquals(recordedShards.get(0).getTransactionId(), TRANSACTION_ID);
    assertEquals(recordedShards.get(0).getShardUuid(), shardUuid);
    assertEquals(shardInfo.getRowCount(), 2);
    assertEquals(shardInfo.getCompressedSize(), file.length());
    // verify primary and backup shard exist
    assertFile(file, "primary shard");
    assertFile(backupFile, "backup shard");
    assertFileEquals(file, backupFile);
    // remove primary shard to force recovery from backup
    assertTrue(file.delete());
    assertTrue(file.getParentFile().delete());
    assertFalse(file.exists());
    recoveryManager.restoreFromBackup(shardUuid, OptionalLong.empty());
    try (OrcDataSource dataSource = manager.openShard(shardUuid, READER_ATTRIBUTES)) {
        OrcRecordReader reader = createReader(dataSource, columnIds, columnTypes);
        assertEquals(reader.nextBatch(), 2);
        Block column0 = reader.readBlock(BIGINT, 0);
        assertEquals(column0.isNull(0), false);
        assertEquals(column0.isNull(1), false);
        assertEquals(BIGINT.getLong(column0, 0), 123L);
        assertEquals(BIGINT.getLong(column0, 1), 456L);
        Block column1 = reader.readBlock(createVarcharType(10), 1);
        assertEquals(createVarcharType(10).getSlice(column1, 0), utf8Slice("hello"));
        assertEquals(createVarcharType(10).getSlice(column1, 1), utf8Slice("bye"));
        assertEquals(reader.nextBatch(), -1);
    }
}

Example 12 with ShardInfo

use of com.facebook.presto.raptor.metadata.ShardInfo in project presto by prestodb.

the class TestOrcStorageManager method testRewriter.

@Test
public void testRewriter() throws Exception {
    OrcStorageManager manager = createOrcStorageManager();
    long transactionId = TRANSACTION_ID;
    List<Long> columnIds = ImmutableList.of(3L, 7L);
    List<Type> columnTypes = ImmutableList.of(BIGINT, createVarcharType(10));
    // create file with 2 rows
    StoragePageSink sink = createStoragePageSink(manager, columnIds, columnTypes);
    List<Page> pages = rowPagesBuilder(columnTypes).row(123L, "hello").row(456L, "bye").build();
    sink.appendPages(pages);
    List<ShardInfo> shards = getFutureValue(sink.commit());
    assertEquals(shardRecorder.getShards().size(), 1);
    // delete one row
    BitSet rowsToDelete = new BitSet();
    rowsToDelete.set(0);
    Collection<Slice> fragments = manager.rewriteShard(transactionId, OptionalInt.empty(), shards.get(0).getShardUuid(), rowsToDelete);
    Slice shardDelta = Iterables.getOnlyElement(fragments);
    ShardDelta shardDeltas = jsonCodec(ShardDelta.class).fromJson(shardDelta.getBytes());
    ShardInfo shardInfo = Iterables.getOnlyElement(shardDeltas.getNewShards());
    // check that output file has one row
    assertEquals(shardInfo.getRowCount(), 1);
    // check that storage file is same as backup file
    File storageFile = storageService.getStorageFile(shardInfo.getShardUuid());
    File backupFile = fileBackupStore.getBackupFile(shardInfo.getShardUuid());
    assertFileEquals(storageFile, backupFile);
    // verify recorded shard
    List<RecordedShard> recordedShards = shardRecorder.getShards();
    assertEquals(recordedShards.size(), 2);
    assertEquals(recordedShards.get(1).getTransactionId(), TRANSACTION_ID);
    assertEquals(recordedShards.get(1).getShardUuid(), shardInfo.getShardUuid());
}

Example 13 with ShardInfo

use of com.facebook.presto.raptor.metadata.ShardInfo in project presto by prestodb.

the class TestShardEjector method testEjector.

@Test(invocationCount = 20)
public void testEjector() throws Exception {
    NodeManager nodeManager = createNodeManager("node1", "node2", "node3", "node4", "node5");
    ShardEjector ejector = new ShardEjector(nodeManager.getCurrentNode().getNodeIdentifier(), nodeManager::getWorkerNodes, shardManager, storageService, new Duration(1, HOURS), Optional.of(new TestingBackupStore()), "test");
    List<ShardInfo> shards = ImmutableList.<ShardInfo>builder().add(shardInfo("node1", 14)).add(shardInfo("node1", 13)).add(shardInfo("node1", 12)).add(shardInfo("node1", 11)).add(shardInfo("node1", 10)).add(shardInfo("node1", 10)).add(shardInfo("node1", 10)).add(shardInfo("node1", 10)).add(shardInfo("node2", 5)).add(shardInfo("node2", 5)).add(shardInfo("node3", 10)).add(shardInfo("node4", 10)).add(shardInfo("node5", 10)).add(shardInfo("node6", 200)).build();
    long tableId = createTable("test");
    List<ColumnInfo> columns = ImmutableList.of(new ColumnInfo(1, BIGINT));
    shardManager.createTable(tableId, columns, false, OptionalLong.empty());
    long transactionId = shardManager.beginTransaction();
    shardManager.commitShards(transactionId, tableId, columns, shards, Optional.empty(), 0);
    for (ShardInfo shard : shards.subList(0, 8)) {
        File file = storageService.getStorageFile(shard.getShardUuid());
        storageService.createParents(file);
        assertTrue(file.createNewFile());
    }
    ejector.process();
    shardManager.getShardNodes(tableId, TupleDomain.all());
    Set<UUID> ejectedShards = shards.subList(0, 4).stream().map(ShardInfo::getShardUuid).collect(toSet());
    Set<UUID> keptShards = shards.subList(4, 8).stream().map(ShardInfo::getShardUuid).collect(toSet());
    Set<UUID> remaining = uuids(shardManager.getNodeShards("node1"));
    for (UUID uuid : ejectedShards) {
        assertFalse(remaining.contains(uuid));
        assertFalse(storageService.getStorageFile(uuid).exists());
    }
    assertEquals(remaining, keptShards);
    for (UUID uuid : keptShards) {
        assertTrue(storageService.getStorageFile(uuid).exists());
    }
    Set<UUID> others = ImmutableSet.<UUID>builder().addAll(uuids(shardManager.getNodeShards("node2"))).addAll(uuids(shardManager.getNodeShards("node3"))).addAll(uuids(shardManager.getNodeShards("node4"))).addAll(uuids(shardManager.getNodeShards("node5"))).build();
    assertTrue(others.containsAll(ejectedShards));
}