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

Example 6 with DeleteRequest

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

the class ServerHardDeleteTest method deleteBlob.

/**
 * Deletes a single blob from ambry server node
 * @param blobId the {@link BlobId} that needs to be deleted
 * @param channel the {@link ConnectedChannel} to use to send and receive data
 * @throws IOException
 */
void deleteBlob(BlobId blobId, ConnectedChannel channel) throws IOException {
    DeleteRequest deleteRequest = new DeleteRequest(1, "client1", blobId, time.milliseconds());
    DeleteResponse deleteResponse = DeleteResponse.readFrom(channel.sendAndReceive(deleteRequest).getInputStream());
    Assert.assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
}

Example 7 with DeleteRequest

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

the class ServerTestUtil method undeleteCornerCasesTest.

static void undeleteCornerCasesTest(MockCluster cluster, PortType portType, SSLConfig clientSSLConfig1, SSLConfig clientSSLConfig2, SSLConfig clientSSLConfig3, SSLSocketFactory clientSSLSocketFactory1, SSLSocketFactory clientSSLSocketFactory2, SSLSocketFactory clientSSLSocketFactory3, MockNotificationSystem notificationSystem, Properties routerProps, boolean testEncryption) {
    MockClusterMap clusterMap = cluster.getClusterMap();
    byte[] userMetadata = new byte[1000];
    byte[] data = new byte[31870];
    byte[] encryptionKey = new byte[100];
    short accountId = Utils.getRandomShort(TestUtils.RANDOM);
    short containerId = Utils.getRandomShort(TestUtils.RANDOM);
    BlobProperties properties = new BlobProperties(31870, "serviceid1", accountId, containerId, testEncryption, cluster.time.milliseconds());
    TestUtils.RANDOM.nextBytes(userMetadata);
    TestUtils.RANDOM.nextBytes(data);
    if (testEncryption) {
        TestUtils.RANDOM.nextBytes(encryptionKey);
    }
    short blobIdVersion = CommonTestUtils.getCurrentBlobIdVersion();
    Map<String, List<DataNodeId>> dataNodesPerDC = clusterMap.getDataNodes().stream().collect(Collectors.groupingBy(DataNodeId::getDatacenterName));
    Map<String, Pair<SSLConfig, SSLSocketFactory>> sslSettingPerDC = new HashMap<>();
    sslSettingPerDC.put("DC1", new Pair<>(clientSSLConfig1, clientSSLSocketFactory1));
    sslSettingPerDC.put("DC2", new Pair<>(clientSSLConfig2, clientSSLSocketFactory2));
    sslSettingPerDC.put("DC3", new Pair<>(clientSSLConfig3, clientSSLSocketFactory3));
    List<PartitionId> partitionIds = clusterMap.getWritablePartitionIds(MockClusterMap.DEFAULT_PARTITION_CLASS);
    DataNodeId dataNodeId = dataNodesPerDC.get("DC1").get(0);
    Router router = null;
    try {
        Properties routerProperties = getRouterProps("DC1");
        routerProperties.putAll(routerProps);
        VerifiableProperties routerVerifiableProps = new VerifiableProperties(routerProperties);
        AccountService accountService = new InMemAccountService(false, true);
        router = new NonBlockingRouterFactory(routerVerifiableProps, clusterMap, new MockNotificationSystem(clusterMap), getSSLFactoryIfRequired(routerVerifiableProps), accountService).getRouter();
        // channels to all datanodes
        List<ConnectedChannel> channels = new ArrayList<>();
        for (Map.Entry<String, List<DataNodeId>> entry : dataNodesPerDC.entrySet()) {
            Pair<SSLConfig, SSLSocketFactory> pair = sslSettingPerDC.get(entry.getKey());
            for (DataNodeId node : entry.getValue()) {
                ConnectedChannel connectedChannel = getBlockingChannelBasedOnPortType(portType, node, pair.getSecond(), pair.getFirst());
                connectedChannel.connect();
                channels.add(connectedChannel);
            }
        }
        // ////////////////////////////////////////////////////
        // Corner case 1: When only one datacenter has delete
        // ////////////////////////////////////////////////////
        BlobId blobId1 = new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, clusterMap.getLocalDatacenterId(), properties.getAccountId(), properties.getContainerId(), partitionIds.get(0), false, BlobId.BlobDataType.DATACHUNK);
        ConnectedChannel channel = getBlockingChannelBasedOnPortType(portType, dataNodeId, clientSSLSocketFactory1, clientSSLConfig1);
        channel.connect();
        PutRequest putRequest = new PutRequest(1, "client1", blobId1, properties, ByteBuffer.wrap(userMetadata), Unpooled.wrappedBuffer(data), properties.getBlobSize(), BlobType.DataBlob, testEncryption ? ByteBuffer.wrap(encryptionKey) : null);
        DataInputStream putResponseStream = channel.sendAndReceive(putRequest).getInputStream();
        PutResponse response = PutResponse.readFrom(putResponseStream);
        releaseNettyBufUnderneathStream(putResponseStream);
        assertEquals(ServerErrorCode.No_Error, response.getError());
        notificationSystem.awaitBlobCreations(blobId1.toString());
        // Now stop the replications this partition.
        PartitionId partitionId = blobId1.getPartition();
        controlReplicationForPartition(channels, partitionId, false);
        // Now send the delete to two data nodes in the same DC
        List<DataNodeId> toBeDeleteDataNodes = dataNodesPerDC.values().stream().findFirst().get();
        Pair<SSLConfig, SSLSocketFactory> pair = sslSettingPerDC.get(toBeDeleteDataNodes.get(0).getDatacenterName());
        ConnectedChannel channel1 = getBlockingChannelBasedOnPortType(portType, toBeDeleteDataNodes.get(0), pair.getSecond(), pair.getFirst());
        channel1.connect();
        ConnectedChannel channel2 = getBlockingChannelBasedOnPortType(portType, toBeDeleteDataNodes.get(1), pair.getSecond(), pair.getFirst());
        channel2.connect();
        DeleteRequest deleteRequest1 = new DeleteRequest(1, "deleteClient", blobId1, System.currentTimeMillis());
        DataInputStream stream = channel1.sendAndReceive(deleteRequest1).getInputStream();
        DeleteResponse deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        DeleteRequest deleteRequest2 = new DeleteRequest(1, "deleteClient", blobId1, deleteRequest1.getDeletionTimeInMs());
        stream = channel2.sendAndReceive(deleteRequest2).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        // Now send the undelete operation through router, and it should fail because of not deleted error.
        Future<Void> future = router.undeleteBlob(blobId1.toString(), "service");
        try {
            future.get();
            fail("Undelete blob " + blobId1.toString() + " should fail");
        } catch (ExecutionException e) {
            assertTrue(e.getCause() instanceof RouterException);
            assertEquals(RouterErrorCode.BlobNotDeleted, ((RouterException) e.getCause()).getErrorCode());
        }
        // Now see if either data node 1 or data node 2 has undelete or not, if so, undelete would replicate. If not,
        // delete would replicate.
        List<PartitionRequestInfo> partitionRequestInfoList = getPartitionRequestInfoListFromBlobId(blobId1);
        boolean hasUndelete = false;
        for (ConnectedChannel connectedChannel : new ConnectedChannel[] { channel1, channel2 }) {
            GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
            stream = channel1.sendAndReceive(getRequest).getInputStream();
            GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
            assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
            MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
            hasUndelete = getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion() == (short) 1;
            if (hasUndelete) {
                break;
            }
        }
        releaseNettyBufUnderneathStream(stream);
        // Now restart the replication
        controlReplicationForPartition(channels, partitionId, true);
        if (hasUndelete) {
            notificationSystem.awaitBlobUndeletes(blobId1.toString());
        } else {
            notificationSystem.awaitBlobDeletions(blobId1.toString());
        }
        for (ConnectedChannel connectedChannel : channels) {
            GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
            stream = connectedChannel.sendAndReceive(getRequest).getInputStream();
            GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
            releaseNettyBufUnderneathStream(stream);
            assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
            MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
            if (hasUndelete) {
                assertEquals((short) 1, getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion());
                assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
                assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
            } else {
                assertEquals((short) 0, getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion());
                assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
                assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
            }
        }
        // ///////////////////////////////////////////////////////////
        // Corner case 2: two data nodes have different life versions
        // //////////////////////////////////////////////////////////
        BlobId blobId2 = new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, clusterMap.getLocalDatacenterId(), properties.getAccountId(), properties.getContainerId(), partitionIds.get(0), false, BlobId.BlobDataType.DATACHUNK);
        putRequest = new PutRequest(1, "client1", blobId2, properties, ByteBuffer.wrap(userMetadata), Unpooled.wrappedBuffer(data), properties.getBlobSize(), BlobType.DataBlob, testEncryption ? ByteBuffer.wrap(encryptionKey) : null);
        putResponseStream = channel.sendAndReceive(putRequest).getInputStream();
        response = PutResponse.readFrom(putResponseStream);
        releaseNettyBufUnderneathStream(putResponseStream);
        assertEquals(ServerErrorCode.No_Error, response.getError());
        notificationSystem.awaitBlobCreations(blobId2.toString());
        // Now delete this blob on all servers.
        DeleteRequest deleteRequest = new DeleteRequest(1, "deleteClient", blobId2, System.currentTimeMillis());
        stream = channel.sendAndReceive(deleteRequest).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        notificationSystem.awaitBlobDeletions(blobId2.toString());
        // Now stop the replication
        partitionId = blobId2.getPartition();
        controlReplicationForPartition(channels, partitionId, false);
        // Now send the undelete to two data nodes in the same DC and then send delete
        UndeleteRequest undeleteRequest = new UndeleteRequest(1, "undeleteClient", blobId2, System.currentTimeMillis());
        stream = channel1.sendAndReceive(undeleteRequest).getInputStream();
        UndeleteResponse undeleteResponse = UndeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, undeleteResponse.getError());
        assertEquals((short) 1, undeleteResponse.getLifeVersion());
        undeleteRequest = new UndeleteRequest(1, "undeleteClient", blobId2, undeleteRequest.getOperationTimeMs());
        stream = channel2.sendAndReceive(undeleteRequest).getInputStream();
        undeleteResponse = UndeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, undeleteResponse.getError());
        assertEquals((short) 1, undeleteResponse.getLifeVersion());
        deleteRequest1 = new DeleteRequest(1, "deleteClient", blobId2, System.currentTimeMillis());
        stream = channel1.sendAndReceive(deleteRequest1).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        deleteRequest2 = new DeleteRequest(1, "deleteClient", blobId2, deleteRequest1.getDeletionTimeInMs());
        stream = channel2.sendAndReceive(deleteRequest2).getInputStream();
        deleteResponse = DeleteResponse.readFrom(stream);
        releaseNettyBufUnderneathStream(stream);
        assertEquals(ServerErrorCode.No_Error, deleteResponse.getError());
        // Now send the undelete operation through router, and it should fail because of lifeVersion conflict error.
        future = router.undeleteBlob(blobId2.toString(), "service");
        try {
            future.get();
            fail("Undelete blob " + blobId2.toString() + " should fail");
        } catch (ExecutionException e) {
            assertTrue(e.getCause() instanceof RouterException);
            assertEquals(RouterErrorCode.LifeVersionConflict, ((RouterException) e.getCause()).getErrorCode());
        }
        // Now restart the replication
        controlReplicationForPartition(channels, partitionId, true);
        notificationSystem.awaitBlobUndeletes(blobId2.toString());
        // Now after replication is resumed, the undelete of lifeversion 2 will eventually be replicated to all servers.
        partitionRequestInfoList = getPartitionRequestInfoListFromBlobId(blobId2);
        for (ConnectedChannel connectedChannel : channels) {
            // Even if the notificationSystem acknowledged the undelete, it might be triggered by undelete at lifeversion 1.
            // So check in a loop with a time out.
            long deadline = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(10);
            while (true) {
                GetRequest getRequest = new GetRequest(1, "clientId1", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.Include_All);
                stream = connectedChannel.sendAndReceive(getRequest).getInputStream();
                GetResponse getResponse = GetResponse.readFrom(stream, clusterMap);
                assertEquals(ServerErrorCode.No_Error, getResponse.getPartitionResponseInfoList().get(0).getErrorCode());
                MessageFormatRecord.deserializeBlobProperties(getResponse.getInputStream());
                if (getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).getLifeVersion() == 2) {
                    assertTrue(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isUndeleted());
                    assertFalse(getResponse.getPartitionResponseInfoList().get(0).getMessageInfoList().get(0).isDeleted());
                    break;
                } else {
                    Thread.sleep(1000);
                    if (System.currentTimeMillis() > deadline) {
                        throw new TimeoutException("Fail to get blob " + blobId2 + " at lifeversion 2 at " + connectedChannel.getRemoteHost());
                    }
                }
            }
        }
        releaseNettyBufUnderneathStream(stream);
        for (ConnectedChannel connectedChannel : channels) {
            connectedChannel.disconnect();
        }
        channel1.disconnect();
        channel2.disconnect();
        channel.disconnect();
    } catch (Exception e) {
        e.printStackTrace();
        fail();
    } finally {
        if (router != null) {
            try {
                router.close();
            } catch (Exception e) {
            }
        }
    }
}

Example 8 with DeleteRequest

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

the class DeleteOperation method handleResponse.

/**
 * Handles a response for a delete operation. It determines whether the request was successful,
 * updates operation tracker, and notifies the response handler for failure detection.
 * can be different cases during handling a response. For the same delete operation, it is possible
 * that different {@link ServerErrorCode} are received from different replicas. These error codes
 * are eventually resolved to a single {@link RouterErrorCode}.
 * @param responseInfo The {@link ResponseInfo} to be handled.
 * @param deleteResponse The {@link DeleteResponse} associated with this response.
 */
void handleResponse(ResponseInfo responseInfo, DeleteResponse deleteResponse) {
    DeleteRequest deleteRequest = (DeleteRequest) responseInfo.getRequestInfo().getRequest();
    DeleteRequestInfo deleteRequestInfo = deleteRequestInfos.remove(deleteRequest.getCorrelationId());
    // metric is updated here, as corresponding metrics have been updated when the request was timed out.
    if (deleteRequestInfo == null) {
        return;
    }
    ReplicaId replica = deleteRequestInfo.replica;
    long requestLatencyMs = time.milliseconds() - deleteRequestInfo.startTimeMs;
    routerMetrics.routerRequestLatencyMs.update(requestLatencyMs);
    routerMetrics.getDataNodeBasedMetrics(replica.getDataNodeId()).deleteRequestLatencyMs.update(requestLatencyMs);
    // Check the error code from NetworkClient.
    if (responseInfo.getError() != null) {
        logger.trace("DeleteRequest with response correlationId {} timed out for replica {} ", deleteRequest.getCorrelationId(), replica.getDataNodeId());
        onErrorResponse(replica, new RouterException("Operation to delete " + blobId + " timed out because of " + responseInfo.getError() + " at DataNode " + responseInfo.getDataNode(), RouterErrorCode.OperationTimedOut));
    } else {
        if (deleteResponse == null) {
            logger.trace("DeleteRequest with response correlationId {} received UnexpectedInternalError on response deserialization for replica {} ", deleteRequest.getCorrelationId(), replica.getDataNodeId());
            onErrorResponse(replica, new RouterException("Response deserialization received an unexpected error", RouterErrorCode.UnexpectedInternalError));
        } else {
            // not for its original request. We will immediately fail this operation.
            if (deleteResponse.getCorrelationId() != deleteRequest.getCorrelationId()) {
                logger.error("The correlation id in the DeleteResponse {} is not the same as the correlation id in the associated DeleteRequest: {}", deleteResponse.getCorrelationId(), deleteRequest.getCorrelationId());
                routerMetrics.unknownReplicaResponseError.inc();
                onErrorResponse(replica, new RouterException("Received wrong response that is not for the corresponding request.", RouterErrorCode.UnexpectedInternalError));
            } else {
                ServerErrorCode serverError = deleteResponse.getError();
                if (serverError == ServerErrorCode.No_Error || serverError == ServerErrorCode.Blob_Deleted) {
                    operationTracker.onResponse(replica, TrackedRequestFinalState.SUCCESS);
                    if (RouterUtils.isRemoteReplica(routerConfig, replica)) {
                        logger.trace("Cross colo request successful for remote replica {} in {} ", replica.getDataNodeId(), replica.getDataNodeId().getDatacenterName());
                        routerMetrics.crossColoSuccessCount.inc();
                    }
                } else if (serverError == ServerErrorCode.Disk_Unavailable) {
                    logger.trace("Replica {} returned Disk_Unavailable for a delete request with correlationId : {} ", replica, deleteRequest.getCorrelationId());
                    operationTracker.onResponse(replica, TrackedRequestFinalState.DISK_DOWN);
                    setOperationException(new RouterException("Server returned: " + serverError, RouterErrorCode.AmbryUnavailable));
                    routerMetrics.routerRequestErrorCount.inc();
                    routerMetrics.getDataNodeBasedMetrics(replica.getDataNodeId()).deleteRequestErrorCount.inc();
                } else {
                    logger.trace("Replica {} returned an error {} for a delete request with response correlationId : {} ", replica, serverError, deleteRequest.getCorrelationId());
                    RouterErrorCode routerErrorCode = processServerError(serverError);
                    if (serverError == ServerErrorCode.Blob_Authorization_Failure) {
                        // this is a successful response and one that completes the operation regardless of whether the
                        // success target has been reached or not.
                        operationCompleted = true;
                    }
                    // any server error code that is not equal to ServerErrorCode.No_Error, the onErrorResponse should be invoked
                    onErrorResponse(replica, new RouterException("Server returned: " + serverError, routerErrorCode));
                }
            }
        }
    }
    checkAndMaybeComplete();
}

Example 9 with DeleteRequest

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

the class DeleteOperation method fetchRequests.

/**
 * Fetch {@link DeleteRequest}s to send for the operation.
 */
private void fetchRequests(RequestRegistrationCallback<DeleteOperation> requestRegistrationCallback) {
    Iterator<ReplicaId> replicaIterator = operationTracker.getReplicaIterator();
    while (replicaIterator.hasNext()) {
        ReplicaId replica = replicaIterator.next();
        String hostname = replica.getDataNodeId().getHostname();
        Port port = RouterUtils.getPortToConnectTo(replica, routerConfig.routerEnableHttp2NetworkClient);
        DeleteRequest deleteRequest = createDeleteRequest();
        deleteRequestInfos.put(deleteRequest.getCorrelationId(), new DeleteRequestInfo(time.milliseconds(), replica));
        RequestInfo requestInfo = new RequestInfo(hostname, port, deleteRequest, replica, operationQuotaCharger);
        requestRegistrationCallback.registerRequestToSend(this, requestInfo);
        replicaIterator.remove();
        if (RouterUtils.isRemoteReplica(routerConfig, replica)) {
            logger.trace("Making request with correlationId {} to a remote replica {} in {} ", deleteRequest.getCorrelationId(), replica.getDataNodeId(), replica.getDataNodeId().getDatacenterName());
            routerMetrics.crossColoRequestCount.inc();
        } else {
            logger.trace("Making request with correlationId {} to a local replica {} ", deleteRequest.getCorrelationId(), replica.getDataNodeId());
        }
        routerMetrics.getDataNodeBasedMetrics(replica.getDataNodeId()).deleteRequestRate.mark();
    }
}

Example 10 with DeleteRequest

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

the class ServerReadPerformance method main.

public static void main(String[] args) {
    ConnectionPool connectionPool = null;
    FileWriter writer = null;
    try {
        OptionParser parser = new OptionParser();
        ArgumentAcceptingOptionSpec<String> logToReadOpt = parser.accepts("logToRead", "The log that needs to be replayed for traffic").withRequiredArg().describedAs("log_to_read").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> hardwareLayoutOpt = parser.accepts("hardwareLayout", "The path of the hardware layout file").withRequiredArg().describedAs("hardware_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> partitionLayoutOpt = parser.accepts("partitionLayout", "The path of the partition layout file").withRequiredArg().describedAs("partition_layout").ofType(String.class);
        ArgumentAcceptingOptionSpec<Integer> readsPerSecondOpt = parser.accepts("readsPerSecond", "The rate at which reads need to be performed").withRequiredArg().describedAs("The number of reads per second").ofType(Integer.class).defaultsTo(1000);
        ArgumentAcceptingOptionSpec<Long> measurementIntervalOpt = parser.accepts("measurementInterval", "The interval in second to report performance result").withOptionalArg().describedAs("The CPU time spent for getting blobs, not wall time").ofType(Long.class).defaultsTo(300L);
        ArgumentAcceptingOptionSpec<Boolean> verboseLoggingOpt = parser.accepts("enableVerboseLogging", "Enables verbose logging").withOptionalArg().describedAs("Enable verbose logging").ofType(Boolean.class).defaultsTo(false);
        ArgumentAcceptingOptionSpec<String> sslEnabledDatacentersOpt = parser.accepts("sslEnabledDatacenters", "Datacenters to which ssl should be enabled").withOptionalArg().describedAs("Comma separated list").ofType(String.class).defaultsTo("");
        ArgumentAcceptingOptionSpec<String> sslKeystorePathOpt = parser.accepts("sslKeystorePath", "SSL key store path").withOptionalArg().describedAs("The file path of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeystoreTypeOpt = parser.accepts("sslKeystoreType", "SSL key store type").withOptionalArg().describedAs("The type of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslTruststorePathOpt = parser.accepts("sslTruststorePath", "SSL trust store path").withOptionalArg().describedAs("The file path of SSL trust store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeystorePasswordOpt = parser.accepts("sslKeystorePassword", "SSL key store password").withOptionalArg().describedAs("The password of SSL key store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslKeyPasswordOpt = parser.accepts("sslKeyPassword", "SSL key password").withOptionalArg().describedAs("The password of SSL private key").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslTruststorePasswordOpt = parser.accepts("sslTruststorePassword", "SSL trust store password").withOptionalArg().describedAs("The password of SSL trust store").defaultsTo("").ofType(String.class);
        ArgumentAcceptingOptionSpec<String> sslCipherSuitesOpt = parser.accepts("sslCipherSuites", "SSL enabled cipher suites").withOptionalArg().describedAs("Comma separated list").defaultsTo("TLS_RSA_WITH_AES_128_CBC_SHA").ofType(String.class);
        OptionSet options = parser.parse(args);
        ArrayList<OptionSpec> listOpt = new ArrayList<>();
        listOpt.add(logToReadOpt);
        listOpt.add(hardwareLayoutOpt);
        listOpt.add(partitionLayoutOpt);
        ToolUtils.ensureOrExit(listOpt, options, parser);
        long measurementIntervalNs = options.valueOf(measurementIntervalOpt) * SystemTime.NsPerSec;
        ToolUtils.validateSSLOptions(options, parser, sslEnabledDatacentersOpt, sslKeystorePathOpt, sslKeystoreTypeOpt, sslTruststorePathOpt, sslKeystorePasswordOpt, sslKeyPasswordOpt, sslTruststorePasswordOpt);
        String sslEnabledDatacenters = options.valueOf(sslEnabledDatacentersOpt);
        Properties sslProperties;
        if (sslEnabledDatacenters.length() != 0) {
            sslProperties = ToolUtils.createSSLProperties(sslEnabledDatacenters, options.valueOf(sslKeystorePathOpt), options.valueOf(sslKeystoreTypeOpt), options.valueOf(sslKeystorePasswordOpt), options.valueOf(sslKeyPasswordOpt), options.valueOf(sslTruststorePathOpt), options.valueOf(sslTruststorePasswordOpt), options.valueOf(sslCipherSuitesOpt));
        } else {
            sslProperties = new Properties();
        }
        ToolUtils.addClusterMapProperties(sslProperties);
        String logToRead = options.valueOf(logToReadOpt);
        int readsPerSecond = options.valueOf(readsPerSecondOpt);
        boolean enableVerboseLogging = options.has(verboseLoggingOpt);
        if (enableVerboseLogging) {
            System.out.println("Enabled verbose logging");
        }
        File logFile = new File(System.getProperty("user.dir"), "readperfresult");
        writer = new FileWriter(logFile);
        String hardwareLayoutPath = options.valueOf(hardwareLayoutOpt);
        String partitionLayoutPath = options.valueOf(partitionLayoutOpt);
        ClusterMapConfig clusterMapConfig = new ClusterMapConfig(new VerifiableProperties(sslProperties));
        ClusterMap map = ((ClusterAgentsFactory) Utils.getObj(clusterMapConfig.clusterMapClusterAgentsFactory, clusterMapConfig, hardwareLayoutPath, partitionLayoutPath)).getClusterMap();
        final AtomicLong totalTimeTaken = new AtomicLong(0);
        final AtomicLong totalReads = new AtomicLong(0);
        final AtomicBoolean shutdown = new AtomicBoolean(false);
        // attach shutdown handler to catch control-c
        Runtime.getRuntime().addShutdownHook(new Thread() {

            public void run() {
                try {
                    System.out.println("Shutdown invoked");
                    shutdown.set(true);
                    String message = "Total reads : " + totalReads.get() + "  Total time taken : " + totalTimeTaken.get() + " Nano Seconds  Average time taken per read " + ((double) totalTimeTaken.get()) / SystemTime.NsPerSec / totalReads.get() + " Seconds";
                    System.out.println(message);
                } catch (Exception e) {
                    System.out.println("Error while shutting down " + e);
                }
            }
        });
        final BufferedReader br = new BufferedReader(new FileReader(logToRead));
        Throttler throttler = new Throttler(readsPerSecond, 100, true, SystemTime.getInstance());
        String line;
        ConnectedChannel channel = null;
        ConnectionPoolConfig connectionPoolConfig = new ConnectionPoolConfig(new VerifiableProperties(new Properties()));
        VerifiableProperties vProps = new VerifiableProperties(sslProperties);
        SSLConfig sslConfig = new SSLConfig(vProps);
        clusterMapConfig = new ClusterMapConfig(vProps);
        connectionPool = new BlockingChannelConnectionPool(connectionPoolConfig, sslConfig, clusterMapConfig, new MetricRegistry());
        long totalNumberOfGetBlobs = 0;
        long totalLatencyForGetBlobs = 0;
        ArrayList<Long> latenciesForGetBlobs = new ArrayList<Long>();
        long maxLatencyForGetBlobs = 0;
        long minLatencyForGetBlobs = Long.MAX_VALUE;
        while ((line = br.readLine()) != null) {
            String[] id = line.split("-");
            BlobData blobData = null;
            BlobId blobId = new BlobId(id[1], map);
            ArrayList<BlobId> blobIds = new ArrayList<BlobId>();
            blobIds.add(blobId);
            for (ReplicaId replicaId : blobId.getPartition().getReplicaIds()) {
                long startTimeGetBlob = 0;
                ArrayList<PartitionRequestInfo> partitionRequestInfoList = new ArrayList<PartitionRequestInfo>();
                try {
                    partitionRequestInfoList.clear();
                    PartitionRequestInfo partitionRequestInfo = new PartitionRequestInfo(blobId.getPartition(), blobIds);
                    partitionRequestInfoList.add(partitionRequestInfo);
                    GetRequest getRequest = new GetRequest(1, "getperf", MessageFormatFlags.Blob, partitionRequestInfoList, GetOption.None);
                    Port port = replicaId.getDataNodeId().getPortToConnectTo();
                    channel = connectionPool.checkOutConnection(replicaId.getDataNodeId().getHostname(), port, 10000);
                    startTimeGetBlob = SystemTime.getInstance().nanoseconds();
                    channel.send(getRequest);
                    DataInputStream receiveStream = channel.receive().getInputStream();
                    GetResponse getResponse = GetResponse.readFrom(receiveStream, map);
                    blobData = MessageFormatRecord.deserializeBlob(getResponse.getInputStream());
                    long sizeRead = 0;
                    byte[] outputBuffer = new byte[(int) blobData.getSize()];
                    ByteBufferOutputStream streamOut = new ByteBufferOutputStream(ByteBuffer.wrap(outputBuffer));
                    ByteBuf buffer = blobData.content();
                    try {
                        buffer.readBytes(streamOut, (int) blobData.getSize());
                    } finally {
                        buffer.release();
                    }
                    long latencyPerBlob = SystemTime.getInstance().nanoseconds() - startTimeGetBlob;
                    totalTimeTaken.addAndGet(latencyPerBlob);
                    latenciesForGetBlobs.add(latencyPerBlob);
                    totalReads.incrementAndGet();
                    totalNumberOfGetBlobs++;
                    totalLatencyForGetBlobs += latencyPerBlob;
                    if (enableVerboseLogging) {
                        System.out.println("Time taken to get blob id " + blobId + " in ms " + latencyPerBlob / SystemTime.NsPerMs);
                    }
                    if (latencyPerBlob > maxLatencyForGetBlobs) {
                        maxLatencyForGetBlobs = latencyPerBlob;
                    }
                    if (latencyPerBlob < minLatencyForGetBlobs) {
                        minLatencyForGetBlobs = latencyPerBlob;
                    }
                    if (totalLatencyForGetBlobs >= measurementIntervalNs) {
                        Collections.sort(latenciesForGetBlobs);
                        int index99 = (int) (latenciesForGetBlobs.size() * 0.99) - 1;
                        int index95 = (int) (latenciesForGetBlobs.size() * 0.95) - 1;
                        String message = totalNumberOfGetBlobs + "," + (double) latenciesForGetBlobs.get(index99) / SystemTime.NsPerSec + "," + (double) latenciesForGetBlobs.get(index95) / SystemTime.NsPerSec + "," + ((double) totalLatencyForGetBlobs / SystemTime.NsPerSec / totalNumberOfGetBlobs);
                        System.out.println(message);
                        writer.write(message + "\n");
                        totalLatencyForGetBlobs = 0;
                        latenciesForGetBlobs.clear();
                        totalNumberOfGetBlobs = 0;
                        maxLatencyForGetBlobs = 0;
                        minLatencyForGetBlobs = Long.MAX_VALUE;
                    }
                    partitionRequestInfoList.clear();
                    partitionRequestInfo = new PartitionRequestInfo(blobId.getPartition(), blobIds);
                    partitionRequestInfoList.add(partitionRequestInfo);
                    GetRequest getRequestProperties = new GetRequest(1, "getperf", MessageFormatFlags.BlobProperties, partitionRequestInfoList, GetOption.None);
                    long startTimeGetBlobProperties = SystemTime.getInstance().nanoseconds();
                    channel.send(getRequestProperties);
                    DataInputStream receivePropertyStream = channel.receive().getInputStream();
                    GetResponse getResponseProperty = GetResponse.readFrom(receivePropertyStream, map);
                    BlobProperties blobProperties = MessageFormatRecord.deserializeBlobProperties(getResponseProperty.getInputStream());
                    long endTimeGetBlobProperties = SystemTime.getInstance().nanoseconds() - startTimeGetBlobProperties;
                    partitionRequestInfoList.clear();
                    partitionRequestInfo = new PartitionRequestInfo(blobId.getPartition(), blobIds);
                    partitionRequestInfoList.add(partitionRequestInfo);
                    GetRequest getRequestUserMetadata = new GetRequest(1, "getperf", MessageFormatFlags.BlobUserMetadata, partitionRequestInfoList, GetOption.None);
                    long startTimeGetBlobUserMetadata = SystemTime.getInstance().nanoseconds();
                    channel.send(getRequestUserMetadata);
                    DataInputStream receiveUserMetadataStream = channel.receive().getInputStream();
                    GetResponse getResponseUserMetadata = GetResponse.readFrom(receiveUserMetadataStream, map);
                    ByteBuffer userMetadata = MessageFormatRecord.deserializeUserMetadata(getResponseUserMetadata.getInputStream());
                    long endTimeGetBlobUserMetadata = SystemTime.getInstance().nanoseconds() - startTimeGetBlobUserMetadata;
                    // delete the blob
                    DeleteRequest deleteRequest = new DeleteRequest(0, "perf", blobId, System.currentTimeMillis());
                    channel.send(deleteRequest);
                    DeleteResponse deleteResponse = DeleteResponse.readFrom(channel.receive().getInputStream());
                    if (deleteResponse.getError() != ServerErrorCode.No_Error) {
                        throw new UnexpectedException("error " + deleteResponse.getError());
                    }
                    throttler.maybeThrottle(1);
                } finally {
                    if (channel != null) {
                        connectionPool.checkInConnection(channel);
                        channel = null;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("Error in server read performance " + e);
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (Exception e) {
                System.out.println("Error when closing writer");
            }
        }
        if (connectionPool != null) {
            connectionPool.shutdown();
        }
    }
}