Examples with PartitionRequestInfo com.github.ambry.protocol.PartitionRequestInfo used on opensource projects

Example 1 with PartitionRequestInfo

use of com.github.ambry.protocol.PartitionRequestInfo in project ambry by linkedin.

the class ReplicaThread method getMessagesForMissingKeys.

/**
 * Gets the messages for the keys that are missing from the local store by issuing a {@link GetRequest} to the remote
 * node, if there are any missing keys. If there are no missing keys to be fetched, then no request is issued and a
 * null response is returned.
 * @param connectedChannel The connection channel to the remote node
 * @param exchangeMetadataResponseList The list of metadata response from the remote node
 * @param replicasToReplicatePerNode The list of remote replicas for the remote node
 * @param remoteNode The remote node from which replication needs to happen
 * @return The response that contains the missing messages; or null if no request was issued because there were no
 * keys missing.
 * @throws ReplicationException
 * @throws IOException
 */
private GetResponse getMessagesForMissingKeys(ConnectedChannel connectedChannel, List<ExchangeMetadataResponse> exchangeMetadataResponseList, List<RemoteReplicaInfo> replicasToReplicatePerNode, DataNodeId remoteNode) throws ReplicationException, IOException {
    List<PartitionRequestInfo> partitionRequestInfoList = new ArrayList<PartitionRequestInfo>();
    for (int i = 0; i < exchangeMetadataResponseList.size(); i++) {
        ExchangeMetadataResponse exchangeMetadataResponse = exchangeMetadataResponseList.get(i);
        RemoteReplicaInfo remoteReplicaInfo = replicasToReplicatePerNode.get(i);
        if (exchangeMetadataResponse.serverErrorCode == ServerErrorCode.No_Error) {
            Set<StoreKey> missingStoreKeys = exchangeMetadataResponse.missingStoreKeys;
            if (missingStoreKeys.size() > 0) {
                ArrayList<BlobId> keysToFetch = new ArrayList<BlobId>();
                for (StoreKey storeKey : missingStoreKeys) {
                    keysToFetch.add((BlobId) storeKey);
                }
                PartitionRequestInfo partitionRequestInfo = new PartitionRequestInfo(remoteReplicaInfo.getReplicaId().getPartitionId(), keysToFetch);
                partitionRequestInfoList.add(partitionRequestInfo);
            }
        }
    }
    GetResponse getResponse = null;
    if (!partitionRequestInfoList.isEmpty()) {
        GetRequest getRequest = new GetRequest(correlationIdGenerator.incrementAndGet(), "replication-fetch-" + dataNodeId.getHostname(), MessageFormatFlags.All, partitionRequestInfoList, GetOption.None);
        long startTime = SystemTime.getInstance().milliseconds();
        try {
            connectedChannel.send(getRequest);
            ChannelOutput channelOutput = connectedChannel.receive();
            getResponse = GetResponse.readFrom(new DataInputStream(channelOutput.getInputStream()), clusterMap);
            long getRequestTime = SystemTime.getInstance().milliseconds() - startTime;
            replicationMetrics.updateGetRequestTime(getRequestTime, replicatingFromRemoteColo, replicatingOverSsl, datacenterName);
            if (getResponse.getError() != ServerErrorCode.No_Error) {
                logger.error("Remote node: " + remoteNode + " Thread name: " + threadName + " Remote replicas: " + replicasToReplicatePerNode + " GetResponse from replication: " + getResponse.getError());
                throw new ReplicationException(" Get Request returned error when trying to get missing keys " + getResponse.getError());
            }
        } catch (IOException e) {
            responseHandler.onEvent(replicasToReplicatePerNode.get(0).getReplicaId(), e);
            throw e;
        }
    }
    return getResponse;
}

Example 2 with PartitionRequestInfo

use of com.github.ambry.protocol.PartitionRequestInfo in project ambry by linkedin.

the class ServerTestUtil method checkBlobContent.

private static void checkBlobContent(MockClusterMap clusterMap, BlobId blobId, BlockingChannel channel, byte[] dataToCheck, byte[] encryptionKey) throws IOException, MessageFormatException {
    ArrayList<BlobId> listIds = new ArrayList<BlobId>();
    listIds.add(blobId);
    ArrayList<PartitionRequestInfo> partitionRequestInfoList = new ArrayList<PartitionRequestInfo>();
    partitionRequestInfoList.clear();
    PartitionRequestInfo partitionRequestInfo = new PartitionRequestInfo(blobId.getPartition(), listIds);
    partitionRequestInfoList.add(partitionRequestInfo);
    GetRequest getRequest3 = new GetRequest(1, "clientid2", MessageFormatFlags.Blob, partitionRequestInfoList, GetOption.None);
    channel.send(getRequest3);
    InputStream stream = channel.receive().getInputStream();
    GetResponse resp = GetResponse.readFrom(new DataInputStream(stream), clusterMap);
    assertEquals(ServerErrorCode.No_Error, resp.getError());
    BlobData blobData = MessageFormatRecord.deserializeBlob(resp.getInputStream());
    byte[] blobout = new byte[(int) blobData.getSize()];
    int readsize = 0;
    while (readsize < blobData.getSize()) {
        readsize += blobData.getStream().read(blobout, readsize, (int) blobData.getSize() - readsize);
    }
    Assert.assertArrayEquals(dataToCheck, blobout);
    if (encryptionKey != null) {
        Assert.assertNotNull("EncryptionKey should not have been null", resp.getPartitionResponseInfoList().get(0).getMessageMetadataList().get(0));
        Assert.assertArrayEquals("EncryptionKey mismatch", encryptionKey, resp.getPartitionResponseInfoList().get(0).getMessageMetadataList().get(0).getEncryptionKey().array());
    } else {
        Assert.assertNull("EncryptionKey should have been null", resp.getPartitionResponseInfoList().get(0).getMessageMetadataList().get(0));
    }
}

Example 3 with PartitionRequestInfo

use of com.github.ambry.protocol.PartitionRequestInfo in project ambry by linkedin.

the class AmbryRequests method handleGetRequest.

public void handleGetRequest(Request request) throws IOException, InterruptedException {
    GetRequest getRequest = GetRequest.readFrom(new DataInputStream(request.getInputStream()), clusterMap);
    Histogram responseQueueTime = null;
    Histogram responseSendTime = null;
    Histogram responseTotalTime = null;
    long requestQueueTime = SystemTime.getInstance().milliseconds() - request.getStartTimeInMs();
    long totalTimeSpent = requestQueueTime;
    if (getRequest.getMessageFormatFlag() == MessageFormatFlags.Blob) {
        metrics.getBlobRequestQueueTimeInMs.update(requestQueueTime);
        metrics.getBlobRequestRate.mark();
        responseQueueTime = metrics.getBlobResponseQueueTimeInMs;
        responseSendTime = metrics.getBlobSendTimeInMs;
        responseTotalTime = metrics.getBlobTotalTimeInMs;
    } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobProperties) {
        metrics.getBlobPropertiesRequestQueueTimeInMs.update(requestQueueTime);
        metrics.getBlobPropertiesRequestRate.mark();
        responseQueueTime = metrics.getBlobPropertiesResponseQueueTimeInMs;
        responseSendTime = metrics.getBlobPropertiesSendTimeInMs;
        responseTotalTime = metrics.getBlobPropertiesTotalTimeInMs;
    } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobUserMetadata) {
        metrics.getBlobUserMetadataRequestQueueTimeInMs.update(requestQueueTime);
        metrics.getBlobUserMetadataRequestRate.mark();
        responseQueueTime = metrics.getBlobUserMetadataResponseQueueTimeInMs;
        responseSendTime = metrics.getBlobUserMetadataSendTimeInMs;
        responseTotalTime = metrics.getBlobUserMetadataTotalTimeInMs;
    } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobInfo) {
        metrics.getBlobInfoRequestQueueTimeInMs.update(requestQueueTime);
        metrics.getBlobInfoRequestRate.mark();
        responseQueueTime = metrics.getBlobInfoResponseQueueTimeInMs;
        responseSendTime = metrics.getBlobInfoSendTimeInMs;
        responseTotalTime = metrics.getBlobInfoTotalTimeInMs;
    } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.All) {
        metrics.getBlobAllRequestQueueTimeInMs.update(requestQueueTime);
        metrics.getBlobAllRequestRate.mark();
        responseQueueTime = metrics.getBlobAllResponseQueueTimeInMs;
        responseSendTime = metrics.getBlobAllSendTimeInMs;
        responseTotalTime = metrics.getBlobAllTotalTimeInMs;
    }
    long startTime = SystemTime.getInstance().milliseconds();
    GetResponse response = null;
    try {
        List<Send> messagesToSendList = new ArrayList<Send>(getRequest.getPartitionInfoList().size());
        List<PartitionResponseInfo> partitionResponseInfoList = new ArrayList<PartitionResponseInfo>(getRequest.getPartitionInfoList().size());
        for (PartitionRequestInfo partitionRequestInfo : getRequest.getPartitionInfoList()) {
            ServerErrorCode error = validateRequest(partitionRequestInfo.getPartition(), RequestOrResponseType.GetRequest);
            if (error != ServerErrorCode.No_Error) {
                logger.error("Validating get request failed for partition {} with error {}", partitionRequestInfo.getPartition(), error);
                PartitionResponseInfo partitionResponseInfo = new PartitionResponseInfo(partitionRequestInfo.getPartition(), error);
                partitionResponseInfoList.add(partitionResponseInfo);
            } else {
                try {
                    Store storeToGet = storageManager.getStore(partitionRequestInfo.getPartition());
                    EnumSet<StoreGetOptions> storeGetOptions = EnumSet.noneOf(StoreGetOptions.class);
                    // Currently only one option is supported.
                    if (getRequest.getGetOption() == GetOption.Include_Expired_Blobs) {
                        storeGetOptions = EnumSet.of(StoreGetOptions.Store_Include_Expired);
                    }
                    if (getRequest.getGetOption() == GetOption.Include_Deleted_Blobs) {
                        storeGetOptions = EnumSet.of(StoreGetOptions.Store_Include_Deleted);
                    }
                    if (getRequest.getGetOption() == GetOption.Include_All) {
                        storeGetOptions = EnumSet.of(StoreGetOptions.Store_Include_Deleted, StoreGetOptions.Store_Include_Expired);
                    }
                    StoreInfo info = storeToGet.get(partitionRequestInfo.getBlobIds(), storeGetOptions);
                    MessageFormatSend blobsToSend = new MessageFormatSend(info.getMessageReadSet(), getRequest.getMessageFormatFlag(), messageFormatMetrics, storeKeyFactory);
                    PartitionResponseInfo partitionResponseInfo = new PartitionResponseInfo(partitionRequestInfo.getPartition(), info.getMessageReadSetInfo(), blobsToSend.getMessageMetadataList());
                    messagesToSendList.add(blobsToSend);
                    partitionResponseInfoList.add(partitionResponseInfo);
                } catch (StoreException e) {
                    boolean logInErrorLevel = false;
                    if (e.getErrorCode() == StoreErrorCodes.ID_Not_Found) {
                        metrics.idNotFoundError.inc();
                    } else if (e.getErrorCode() == StoreErrorCodes.TTL_Expired) {
                        metrics.ttlExpiredError.inc();
                    } else if (e.getErrorCode() == StoreErrorCodes.ID_Deleted) {
                        metrics.idDeletedError.inc();
                    } else if (e.getErrorCode() == StoreErrorCodes.Authorization_Failure) {
                        metrics.getAuthorizationFailure.inc();
                    } else {
                        metrics.unExpectedStoreGetError.inc();
                        logInErrorLevel = true;
                    }
                    if (logInErrorLevel) {
                        logger.error("Store exception on a get with error code {} for partition {}", e.getErrorCode(), partitionRequestInfo.getPartition(), e);
                    } else {
                        logger.trace("Store exception on a get with error code {} for partition {}", e.getErrorCode(), partitionRequestInfo.getPartition(), e);
                    }
                    PartitionResponseInfo partitionResponseInfo = new PartitionResponseInfo(partitionRequestInfo.getPartition(), ErrorMapping.getStoreErrorMapping(e.getErrorCode()));
                    partitionResponseInfoList.add(partitionResponseInfo);
                } catch (MessageFormatException e) {
                    logger.error("Message format exception on a get with error code " + e.getErrorCode() + " for partitionRequestInfo " + partitionRequestInfo, e);
                    if (e.getErrorCode() == MessageFormatErrorCodes.Data_Corrupt) {
                        metrics.dataCorruptError.inc();
                    } else if (e.getErrorCode() == MessageFormatErrorCodes.Unknown_Format_Version) {
                        metrics.unknownFormatError.inc();
                    }
                    PartitionResponseInfo partitionResponseInfo = new PartitionResponseInfo(partitionRequestInfo.getPartition(), ErrorMapping.getMessageFormatErrorMapping(e.getErrorCode()));
                    partitionResponseInfoList.add(partitionResponseInfo);
                }
            }
        }
        CompositeSend compositeSend = new CompositeSend(messagesToSendList);
        response = new GetResponse(getRequest.getCorrelationId(), getRequest.getClientId(), partitionResponseInfoList, compositeSend, ServerErrorCode.No_Error);
    } catch (Exception e) {
        logger.error("Unknown exception for request " + getRequest, e);
        response = new GetResponse(getRequest.getCorrelationId(), getRequest.getClientId(), ServerErrorCode.Unknown_Error);
    } finally {
        long processingTime = SystemTime.getInstance().milliseconds() - startTime;
        totalTimeSpent += processingTime;
        publicAccessLogger.info("{} {} processingTime {}", getRequest, response, processingTime);
        if (getRequest.getMessageFormatFlag() == MessageFormatFlags.Blob) {
            metrics.getBlobProcessingTimeInMs.update(processingTime);
            metrics.updateGetBlobProcessingTimeBySize(response.sizeInBytes(), processingTime);
        } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobProperties) {
            metrics.getBlobPropertiesProcessingTimeInMs.update(processingTime);
        } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobUserMetadata) {
            metrics.getBlobUserMetadataProcessingTimeInMs.update(processingTime);
        } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.BlobInfo) {
            metrics.getBlobInfoProcessingTimeInMs.update(processingTime);
        } else if (getRequest.getMessageFormatFlag() == MessageFormatFlags.All) {
            metrics.getBlobAllProcessingTimeInMs.update(processingTime);
            metrics.updateGetBlobProcessingTimeBySize(response.sizeInBytes(), processingTime);
        }
    }
    sendGetResponse(requestResponseChannel, response, request, responseQueueTime, responseSendTime, responseTotalTime, totalTimeSpent, response.sizeInBytes(), getRequest.getMessageFormatFlag(), metrics);
}

Example 4 with PartitionRequestInfo

use of com.github.ambry.protocol.PartitionRequestInfo in project ambry by linkedin.

the class AmbryRequestsTest method sendAndVerifyOperationRequest.

/**
 * Sends and verifies that an operation specific request works correctly.
 * @param requestType the type of the request to send.
 * @param ids the partitionIds to send requests for.
 * @param expectedErrorCode the {@link ServerErrorCode} expected in the response. For some requests this is the
 *                          response in the constituents rather than the actual response ({@link GetResponse} and
 *                          {@link ReplicaMetadataResponse}).
 * @throws InterruptedException
 * @throws IOException
 */
private void sendAndVerifyOperationRequest(RequestOrResponseType requestType, List<? extends PartitionId> ids, ServerErrorCode expectedErrorCode) throws InterruptedException, IOException {
    for (PartitionId id : ids) {
        int correlationId = TestUtils.RANDOM.nextInt();
        String clientId = UtilsTest.getRandomString(10);
        BlobId blobId = new BlobId(CommonTestUtils.getCurrentBlobIdVersion(), BlobId.BlobIdType.NATIVE, ClusterMapUtils.UNKNOWN_DATACENTER_ID, Utils.getRandomShort(TestUtils.RANDOM), Utils.getRandomShort(TestUtils.RANDOM), id, false);
        RequestOrResponse request;
        switch(requestType) {
            case PutRequest:
                BlobProperties properties = new BlobProperties(0, "serviceId", blobId.getAccountId(), blobId.getAccountId(), false);
                request = new PutRequest(correlationId, clientId, blobId, properties, ByteBuffer.allocate(0), ByteBuffer.allocate(0), 0, BlobType.DataBlob, null);
                break;
            case DeleteRequest:
                request = new DeleteRequest(correlationId, clientId, blobId, SystemTime.getInstance().milliseconds());
                break;
            case GetRequest:
                PartitionRequestInfo pRequestInfo = new PartitionRequestInfo(id, Collections.singletonList(blobId));
                request = new GetRequest(correlationId, clientId, MessageFormatFlags.All, Collections.singletonList(pRequestInfo), GetOption.Include_All);
                break;
            case ReplicaMetadataRequest:
                ReplicaMetadataRequestInfo rRequestInfo = new ReplicaMetadataRequestInfo(id, FIND_TOKEN_FACTORY.getNewFindToken(), "localhost", "/tmp");
                request = new ReplicaMetadataRequest(correlationId, clientId, Collections.singletonList(rRequestInfo), Long.MAX_VALUE);
                break;
            default:
                throw new IllegalArgumentException(requestType + " not supported by this function");
        }
        storageManager.resetStore();
        Response response = sendRequestGetResponse(request, requestType == RequestOrResponseType.GetRequest || requestType == RequestOrResponseType.ReplicaMetadataRequest ? ServerErrorCode.No_Error : expectedErrorCode);
        if (expectedErrorCode.equals(ServerErrorCode.No_Error)) {
            assertEquals("Operation received at the store not as expected", requestType, MockStorageManager.operationReceived);
        }
        if (requestType == RequestOrResponseType.GetRequest) {
            GetResponse getResponse = (GetResponse) response;
            for (PartitionResponseInfo info : getResponse.getPartitionResponseInfoList()) {
                assertEquals("Error code does not match expected", expectedErrorCode, info.getErrorCode());
            }
        } else if (requestType == RequestOrResponseType.ReplicaMetadataRequest) {
            ReplicaMetadataResponse replicaMetadataResponse = (ReplicaMetadataResponse) response;
            for (ReplicaMetadataResponseInfo info : replicaMetadataResponse.getReplicaMetadataResponseInfoList()) {
                assertEquals("Error code does not match expected", expectedErrorCode, info.getError());
            }
        }
    }
}

Example 5 with PartitionRequestInfo

use of com.github.ambry.protocol.PartitionRequestInfo in project ambry by linkedin.

the class ServerAdminTool method getGetResponse.

/**
 * Sends a {@link GetRequest} based on the provided parameters and returns the response stream if the request was
 * successful. {@code null} otherwise.
 * @param dataNodeId the {@link DataNodeId} to contact.
 * @param blobId the {@link BlobId} to operate on.
 * @param flags the {@link MessageFormatFlags} associated with the {@link GetRequest}.
 * @param getOption the {@link GetOption} to send with the {@link GetRequest}.
 * @param clusterMap the {@link ClusterMap} to use.
 * @return the {@link ServerErrorCode} and response stream if the request was successful. {@code null} for the
 * response stream otherwise.
 * @throws Exception
 */
private Pair<ServerErrorCode, InputStream> getGetResponse(DataNodeId dataNodeId, BlobId blobId, MessageFormatFlags flags, GetOption getOption, ClusterMap clusterMap) throws Exception {
    PartitionId partitionId = blobId.getPartition();
    PartitionRequestInfo partitionRequestInfo = new PartitionRequestInfo(partitionId, Collections.singletonList(blobId));
    List<PartitionRequestInfo> partitionRequestInfos = new ArrayList<>();
    partitionRequestInfos.add(partitionRequestInfo);
    GetRequest getRequest = new GetRequest(correlationId.incrementAndGet(), CLIENT_ID, flags, partitionRequestInfos, getOption);
    ResponseInfo response = sendRequestGetResponse(dataNodeId, partitionId, getRequest);
    InputStream serverResponseStream = new NettyByteBufDataInputStream(response.content());
    response.release();
    GetResponse getResponse = GetResponse.readFrom(new DataInputStream(serverResponseStream), clusterMap);
    ServerErrorCode partitionErrorCode = getResponse.getPartitionResponseInfoList().get(0).getErrorCode();
    ServerErrorCode errorCode = partitionErrorCode == ServerErrorCode.No_Error ? getResponse.getError() : partitionErrorCode;
    InputStream stream = errorCode == ServerErrorCode.No_Error ? getResponse.getInputStream() : null;
    return new Pair<>(errorCode, stream);
}