Examples with StoreFileMetaData org.elasticsearch.index.store.StoreFileMetaData used on opensource projects

Example 31 with StoreFileMetaData

use of org.elasticsearch.index.store.StoreFileMetaData in project crate by crate.

the class PeerRecoveryTargetServiceTests method testWriteFileChunksConcurrently.

@Test
public void testWriteFileChunksConcurrently() throws Exception {
    IndexShard sourceShard = newStartedShard(true);
    int numDocs = between(20, 100);
    for (int i = 0; i < numDocs; i++) {
        indexDoc(sourceShard, "_doc", Integer.toString(i));
    }
    sourceShard.flush(new FlushRequest());
    Store.MetadataSnapshot sourceSnapshot = sourceShard.store().getMetadata(null);
    List<StoreFileMetadata> mdFiles = new ArrayList<>();
    for (StoreFileMetadata md : sourceSnapshot) {
        mdFiles.add(md);
    }
    final IndexShard targetShard = newShard(false);
    final DiscoveryNode pNode = getFakeDiscoNode(sourceShard.routingEntry().currentNodeId());
    final DiscoveryNode rNode = getFakeDiscoNode(targetShard.routingEntry().currentNodeId());
    targetShard.markAsRecovering("test-peer-recovery", new RecoveryState(targetShard.routingEntry(), rNode, pNode));
    final RecoveryTarget recoveryTarget = new RecoveryTarget(targetShard, null, null);
    final PlainActionFuture<Void> receiveFileInfoFuture = new PlainActionFuture<>();
    recoveryTarget.receiveFileInfo(mdFiles.stream().map(StoreFileMetadata::name).collect(Collectors.toList()), mdFiles.stream().map(StoreFileMetadata::length).collect(Collectors.toList()), Collections.emptyList(), Collections.emptyList(), 0, receiveFileInfoFuture);
    receiveFileInfoFuture.actionGet(5, TimeUnit.SECONDS);
    List<RecoveryFileChunkRequest> requests = new ArrayList<>();
    for (StoreFileMetadata md : mdFiles) {
        try (IndexInput in = sourceShard.store().directory().openInput(md.name(), IOContext.READONCE)) {
            int pos = 0;
            while (pos < md.length()) {
                int length = between(1, Math.toIntExact(md.length() - pos));
                byte[] buffer = new byte[length];
                in.readBytes(buffer, 0, length);
                requests.add(new RecoveryFileChunkRequest(0, sourceShard.shardId(), md, pos, new BytesArray(buffer), pos + length == md.length(), 1, 1));
                pos += length;
            }
        }
    }
    Randomness.shuffle(requests);
    BlockingQueue<RecoveryFileChunkRequest> queue = new ArrayBlockingQueue<>(requests.size());
    queue.addAll(requests);
    Thread[] senders = new Thread[between(1, 4)];
    CyclicBarrier barrier = new CyclicBarrier(senders.length);
    for (int i = 0; i < senders.length; i++) {
        senders[i] = new Thread(() -> {
            try {
                barrier.await();
                RecoveryFileChunkRequest r;
                while ((r = queue.poll()) != null) {
                    recoveryTarget.writeFileChunk(r.metadata(), r.position(), r.content(), r.lastChunk(), r.totalTranslogOps(), ActionListener.wrap(ignored -> {
                    }, e -> {
                        throw new AssertionError(e);
                    }));
                }
            } catch (Exception e) {
                throw new AssertionError(e);
            }
        });
        senders[i].start();
    }
    for (Thread sender : senders) {
        sender.join();
    }
    PlainActionFuture<Void> cleanFilesFuture = new PlainActionFuture<>();
    recoveryTarget.cleanFiles(0, Long.parseLong(sourceSnapshot.getCommitUserData().get(SequenceNumbers.MAX_SEQ_NO)), sourceSnapshot, cleanFilesFuture);
    cleanFilesFuture.actionGet();
    recoveryTarget.decRef();
    Store.MetadataSnapshot targetSnapshot = targetShard.snapshotStoreMetadata();
    Store.RecoveryDiff diff = sourceSnapshot.recoveryDiff(targetSnapshot);
    assertThat(diff.different, empty());
    closeShards(sourceShard, targetShard);
}

Example 32 with StoreFileMetaData

use of org.elasticsearch.index.store.StoreFileMetaData in project crate by crate.

the class BlobStoreRepositoryRestoreTests method testRestoreSnapshotWithExistingFiles.

/**
 * Restoring a snapshot that contains multiple files must succeed even when
 * some files already exist in the shard's store.
 */
public void testRestoreSnapshotWithExistingFiles() throws IOException {
    final IndexId indexId = new IndexId(randomAlphaOfLength(10), UUIDs.randomBase64UUID());
    final ShardId shardId = new ShardId(indexId.getName(), indexId.getId(), 0);
    IndexShard shard = newShard(shardId, true);
    try {
        // index documents in the shards
        final int numDocs = scaledRandomIntBetween(1, 500);
        recoverShardFromStore(shard);
        for (int i = 0; i < numDocs; i++) {
            indexDoc(shard, Integer.toString(i));
            if (rarely()) {
                flushShard(shard, false);
            }
        }
        assertDocCount(shard, numDocs);
        // snapshot the shard
        final Repository repository = createRepository();
        final Snapshot snapshot = new Snapshot(repository.getMetadata().name(), new SnapshotId(randomAlphaOfLength(10), "_uuid"));
        snapshotShard(shard, snapshot, repository);
        // capture current store files
        final Store.MetadataSnapshot storeFiles = shard.snapshotStoreMetadata();
        assertFalse(storeFiles.asMap().isEmpty());
        // close the shard
        closeShards(shard);
        // delete some random files in the store
        List<String> deletedFiles = randomSubsetOf(randomIntBetween(1, storeFiles.size() - 1), storeFiles.asMap().keySet());
        for (String deletedFile : deletedFiles) {
            Files.delete(shard.shardPath().resolveIndex().resolve(deletedFile));
        }
        // build a new shard using the same store directory as the closed shard
        ShardRouting shardRouting = ShardRoutingHelper.initWithSameId(shard.routingEntry(), RecoverySource.ExistingStoreRecoverySource.INSTANCE);
        shard = newShard(shardRouting, shard.shardPath(), shard.indexSettings().getIndexMetadata(), null, new InternalEngineFactory(), () -> {
        }, RetentionLeaseSyncer.EMPTY, EMPTY_EVENT_LISTENER);
        // restore the shard
        recoverShardFromSnapshot(shard, snapshot, repository);
        // check that the shard is not corrupted
        TestUtil.checkIndex(shard.store().directory());
        // check that all files have been restored
        final Directory directory = shard.store().directory();
        final List<String> directoryFiles = Arrays.asList(directory.listAll());
        for (StoreFileMetadata storeFile : storeFiles) {
            String fileName = storeFile.name();
            assertTrue("File [" + fileName + "] does not exist in store directory", directoryFiles.contains(fileName));
            assertEquals(storeFile.length(), shard.store().directory().fileLength(fileName));
        }
    } finally {
        if (shard != null && shard.state() != IndexShardState.CLOSED) {
            try {
                shard.close("test", false);
            } finally {
                IOUtils.close(shard.store());
            }
        }
    }
}

Example 33 with StoreFileMetaData

use of org.elasticsearch.index.store.StoreFileMetaData in project crate by crate.

the class RemoteRecoveryTargetHandler method writeFileChunk.

@Override
public void writeFileChunk(StoreFileMetadata fileMetadata, long position, BytesReference content, boolean lastChunk, int totalTranslogOps, ActionListener<Void> listener) {
    // Pause using the rate limiter, if desired, to throttle the recovery
    final long throttleTimeInNanos;
    // always fetch the ratelimiter - it might be updated in real-time on the recovery settings
    final RateLimiter rl = recoverySettings.rateLimiter();
    if (rl != null) {
        long bytes = bytesSinceLastPause.addAndGet(content.length());
        if (bytes > rl.getMinPauseCheckBytes()) {
            // Time to pause
            bytesSinceLastPause.addAndGet(-bytes);
            try {
                throttleTimeInNanos = rl.pause(bytes);
                onSourceThrottle.accept(throttleTimeInNanos);
            } catch (IOException e) {
                throw new ElasticsearchException("failed to pause recovery", e);
            }
        } else {
            throttleTimeInNanos = 0;
        }
    } else {
        throttleTimeInNanos = 0;
    }
    final String action = PeerRecoveryTargetService.Actions.FILE_CHUNK;
    /* we send estimateTotalOperations with every request since we collect stats on the target and that way we can
         * see how many translog ops we accumulate while copying files across the network. A future optimization
         * would be in to restart file copy again (new deltas) if we have too many translog ops are piling up.
         */
    final RecoveryFileChunkRequest request = new RecoveryFileChunkRequest(recoveryId, shardId, fileMetadata, position, content, lastChunk, totalTranslogOps, throttleTimeInNanos);
    final Writeable.Reader<TransportResponse.Empty> reader = in -> TransportResponse.Empty.INSTANCE;
    executeRetryableAction(action, request, fileChunkRequestOptions, ActionListener.map(listener, r -> null), reader);
}

Example 34 with StoreFileMetaData

use of org.elasticsearch.index.store.StoreFileMetaData in project elasticsearch by elastic.

the class RecoveryFileChunkRequest method readFrom.

@Override
public void readFrom(StreamInput in) throws IOException {
    super.readFrom(in);
    recoveryId = in.readLong();
    shardId = ShardId.readShardId(in);
    String name = in.readString();
    position = in.readVLong();
    long length = in.readVLong();
    String checksum = in.readString();
    content = in.readBytesReference();
    Version writtenBy = Lucene.parseVersionLenient(in.readString(), null);
    assert writtenBy != null;
    metaData = new StoreFileMetaData(name, length, checksum, writtenBy);
    lastChunk = in.readBoolean();
    totalTranslogOps = in.readVInt();
    sourceThrottleTimeInNanos = in.readLong();
}

Example 35 with StoreFileMetaData

use of org.elasticsearch.index.store.StoreFileMetaData in project elasticsearch by elastic.

the class ReplicaShardAllocatorTests method testNoDataForReplicaOnAnyNode.

/**
     * Verifies that when there is primary data, but no data at all on other nodes, the shard keeps
     * unassigned to be allocated later on.
     */
public void testNoDataForReplicaOnAnyNode() {
    RoutingAllocation allocation = onePrimaryOnNode1And1Replica(yesAllocationDeciders());
    testAllocator.addData(node1, "MATCH", new StoreFileMetaData("file1", 10, "MATCH_CHECKSUM"));
    testAllocator.allocateUnassigned(allocation);
    assertThat(allocation.routingNodes().shardsWithState(ShardRoutingState.UNASSIGNED).size(), equalTo(1));
    assertThat(allocation.routingNodes().shardsWithState(ShardRoutingState.UNASSIGNED).get(0).shardId(), equalTo(shardId));
}