[DRAFT_PR_FOR_TESTING_IGNORE_IT] 5980 azure blob buffering

airbyte-config/init/src/main/resources/config/STANDARD_DESTINATION_DEFINITION/b4c5d105-31fd-4817-96b6-cb923bfc04cb.json

@@ -2,7 +2,7 @@
   "destinationDefinitionId": "b4c5d105-31fd-4817-96b6-cb923bfc04cb",
   "name": "Azure Blob Storage",
   "dockerRepository": "airbyte/destination-azure-blob-storage",
-  "dockerImageTag": "0.1.0",
+  "dockerImageTag": "0.1.1",
   "documentationUrl": "https://docs.airbyte.io/integrations/destinations/azureblobstorage",
   "icon": "azureblobstorage.svg"
 }

airbyte-config/init/src/main/resources/seed/destination_definitions.yaml

@@ -1,7 +1,7 @@
 - name: Azure Blob Storage
   destinationDefinitionId: b4c5d105-31fd-4817-96b6-cb923bfc04cb
   dockerRepository: airbyte/destination-azure-blob-storage
-  dockerImageTag: 0.1.0
+  dockerImageTag: 0.1.1
   documentationUrl: https://docs.airbyte.io/integrations/destinations/azureblobstorage
   icon: azureblobstorage.svg
 - name: Amazon SQS

airbyte-integrations/connectors/destination-azure-blob-storage/Dockerfile

@@ -16,5 +16,5 @@ ENV APPLICATION destination-azure-blob-storage
 
 COPY --from=build /airbyte /airbyte
 
-LABEL io.airbyte.version=0.1.0
+LABEL io.airbyte.version=0.1.1
 LABEL io.airbyte.name=airbyte/destination-azure-blob-storage

airbyte-integrations/connectors/destination-azure-blob-storage/src/main/java/io/airbyte/integrations/destination/azure_blob_storage/AzureBlobStorageDestinationConfig.java

@@ -15,18 +15,21 @@ public class AzureBlobStorageDestinationConfig {
   private final String accountName;
   private final String accountKey;
   private final String containerName;
+  private final int outputStreamBufferSize;
   private final AzureBlobStorageFormatConfig formatConfig;
 
   public AzureBlobStorageDestinationConfig(
                                            final String endpointUrl,
                                            final String accountName,
                                            final String accountKey,
                                            final String containerName,
+                                           final int outputStreamBufferSize,
                                            final AzureBlobStorageFormatConfig formatConfig) {
     this.endpointUrl = endpointUrl;
     this.accountName = accountName;
     this.accountKey = accountKey;
     this.containerName = containerName;
+    this.outputStreamBufferSize = outputStreamBufferSize;
     this.formatConfig = formatConfig;
   }
 
@@ -50,12 +53,22 @@ public AzureBlobStorageFormatConfig getFormatConfig() {
     return formatConfig;
   }
 
+  public int getOutputStreamBufferSize() {
+    // Convert from MB to Bytes
+    return outputStreamBufferSize * 1024 * 1024;
+  }
+
   public static AzureBlobStorageDestinationConfig getAzureBlobStorageConfig(final JsonNode config) {
     final String accountNameFomConfig = config.get("azure_blob_storage_account_name").asText();
     final String accountKeyFromConfig = config.get("azure_blob_storage_account_key").asText();
     final JsonNode endpointFromConfig = config
         .get("azure_blob_storage_endpoint_domain_name");
     final JsonNode containerName = config.get("azure_blob_storage_container_name");
+    final int outputStreamBufferSizeFromConfig = 
+        config.get("azure_blob_storage_output_buffer_size") != null
+            ? config.get("azure_blob_storage_output_buffer_size").asInt(DEFAULT_STORAGE_OUTPUT_BUFFER_SIZE)
+            : DEFAULT_STORAGE_OUTPUT_BUFFER_SIZE;
+
     final JsonNode blobName = config.get("azure_blob_storage_blob_name"); // streamId
 
     final String endpointComputed = String.format(Locale.ROOT, DEFAULT_STORAGE_ENDPOINT_FORMAT,
@@ -72,6 +85,7 @@ public static AzureBlobStorageDestinationConfig getAzureBlobStorageConfig(final
         accountNameFomConfig,
         accountKeyFromConfig,
         containerNameComputed,
+        outputStreamBufferSizeFromConfig,
         AzureBlobStorageFormatConfigs.getAzureBlobStorageFormatConfig(config));
   }
 

airbyte-integrations/connectors/destination-azure-blob-storage/src/main/java/io/airbyte/integrations/destination/azure_blob_storage/AzureBlobStorageDestinationConstants.java

@@ -10,6 +10,7 @@ public final class AzureBlobStorageDestinationConstants {
   public static final String DEFAULT_STORAGE_ENDPOINT_HTTP_PROTOCOL = "https";
   public static final String DEFAULT_STORAGE_ENDPOINT_DOMAIN_NAME = "blob.core.windows.net";
   public static final String DEFAULT_STORAGE_ENDPOINT_FORMAT = "%s://%s.%s";
+  public static final int DEFAULT_STORAGE_OUTPUT_BUFFER_SIZE = 1024 * 1024 * 100; // 100MB
 
   private AzureBlobStorageDestinationConstants() {}
 

airbyte-integrations/connectors/destination-azure-blob-storage/src/main/java/io/airbyte/integrations/destination/azure_blob_storage/csv/AzureBlobStorageCsvWriter.java

@@ -11,6 +11,7 @@
 import io.airbyte.integrations.destination.azure_blob_storage.writer.BaseAzureBlobStorageWriter;
 import io.airbyte.protocol.models.AirbyteRecordMessage;
 import io.airbyte.protocol.models.ConfiguredAirbyteStream;
+import java.io.BufferedOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
@@ -28,7 +29,7 @@ public class AzureBlobStorageCsvWriter extends BaseAzureBlobStorageWriter implem
 
   private final CsvSheetGenerator csvSheetGenerator;
   private final CSVPrinter csvPrinter;
-  private final BlobOutputStream blobOutputStream;
+  private final BufferedOutputStream blobOutputStream;
 
   public AzureBlobStorageCsvWriter(final AzureBlobStorageDestinationConfig config,
                                    final AppendBlobClient appendBlobClient,
@@ -44,17 +45,17 @@ public AzureBlobStorageCsvWriter(final AzureBlobStorageDestinationConfig config,
         .create(configuredStream.getStream().getJsonSchema(),
             formatConfig);
 
-    this.blobOutputStream = appendBlobClient.getBlobOutputStream();
+    this.blobOutputStream = new BufferedOutputStream(appendBlobClient.getBlobOutputStream(), config.getOutputStreamBufferSize());
 
     if (isNewlyCreatedBlob) {
       this.csvPrinter = new CSVPrinter(
-          new PrintWriter(blobOutputStream, true, StandardCharsets.UTF_8),
+          new PrintWriter(blobOutputStream, false, StandardCharsets.UTF_8),
           CSVFormat.DEFAULT.withQuoteMode(QuoteMode.ALL)
               .withHeader(csvSheetGenerator.getHeaderRow().toArray(new String[0])));
     } else {
       // no header required for append
       this.csvPrinter = new CSVPrinter(
-          new PrintWriter(blobOutputStream, true, StandardCharsets.UTF_8),
+          new PrintWriter(blobOutputStream, false, StandardCharsets.UTF_8),
           CSVFormat.DEFAULT.withQuoteMode(QuoteMode.ALL));
     }
   }

airbyte-integrations/connectors/destination-azure-blob-storage/src/main/java/io/airbyte/integrations/destination/azure_blob_storage/jsonl/AzureBlobStorageJsonlWriter.java

@@ -17,6 +17,7 @@
 import io.airbyte.integrations.destination.azure_blob_storage.writer.BaseAzureBlobStorageWriter;
 import io.airbyte.protocol.models.AirbyteRecordMessage;
 import io.airbyte.protocol.models.ConfiguredAirbyteStream;
+import java.io.BufferedOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
@@ -32,7 +33,7 @@ public class AzureBlobStorageJsonlWriter extends BaseAzureBlobStorageWriter impl
   private static final ObjectMapper MAPPER = MoreMappers.initMapper();
   private static final ObjectWriter WRITER = MAPPER.writer();
 
-  private final BlobOutputStream blobOutputStream;
+  private final BufferedOutputStream blobOutputStream;
   private final PrintWriter printWriter;
 
   public AzureBlobStorageJsonlWriter(final AzureBlobStorageDestinationConfig config,
@@ -41,8 +42,8 @@ public AzureBlobStorageJsonlWriter(final AzureBlobStorageDestinationConfig confi
                                      final boolean isNewlyCreatedBlob) {
     super(config, appendBlobClient, configuredStream);
     // at this moment we already receive appendBlobClient initialized
-    this.blobOutputStream = appendBlobClient.getBlobOutputStream();
-    this.printWriter = new PrintWriter(blobOutputStream, true, StandardCharsets.UTF_8);
+    this.blobOutputStream = new BufferedOutputStream(appendBlobClient.getBlobOutputStream(), config.getOutputStreamBufferSize());
+    this.printWriter = new PrintWriter(blobOutputStream, false, StandardCharsets.UTF_8);
   }
 
   @Override

airbyte-integrations/connectors/destination-azure-blob-storage/src/main/resources/spec.json

@@ -35,13 +35,23 @@
         "examples": ["airbyte5storage"]
       },
       "azure_blob_storage_account_key": {
+        "title": "Azure Blob Storage account key",
         "description": "The Azure blob storage account key.",
         "airbyte_secret": true,
         "type": "string",
         "examples": [
           "Z8ZkZpteggFx394vm+PJHnGTvdRncaYS+JhLKdj789YNmD+iyGTnG+PV+POiuYNhBg/ACS+LKjd%4FG3FHGN12Nd=="
         ]
       },
+      "azure_blob_storage_output_buffer_size": {
+        "title": "Azure Blob Storage output buffer size",
+        "type": "integer",
+        "description": "The amount of megabytes to buffer for the output stream to Azure. This will impact memory footprint on workers, but may need adjustment for performance and appropriate block size in Azure.",
+        "minimum": 1,
+        "maximum": 2047,
+        "default": 5,
+        "examples": [5]
+      },
       "format": {
         "title": "Output Format",
         "type": "object",

docs/integrations/destinations/azureblobstorage.md

@@ -22,6 +22,7 @@ The Airbyte Azure Blob Storage destination allows you to sync data to Azure Blob
 | Azure blob storage container \(Bucket\) Name | string | A name of the Azure blob storage container. If not exists - will be created automatically. If leave empty, then will be created automatically airbytecontainer+timestamp. |
 | Azure Blob Storage account name | string | The account's name of the Azure Blob Storage. |
 | The Azure blob storage account key | string | Azure blob storage account key. Example: `abcdefghijklmnopqrstuvwxyz/0123456789+ABCDEFGHIJKLMNOPQRSTUVWXYZ/0123456789%++sampleKey==`. |
+| Azure Blob Storage output buffer size | integer | Azure Blob Storage output buffer size, in megabytes. Example: 5 |
 | Format | object | Format specific configuration. See below for details. |
 
 ⚠️ Please note that under "Full Refresh Sync" mode, data in the configured blob will be wiped out before each sync. We recommend you to provision a dedicated Azure Blob Storage Container resource for this sync to prevent unexpected data deletion from misconfiguration. ⚠️
@@ -136,5 +137,7 @@ They will be like this in the output file:
 
 | Version | Date | Pull Request | Subject |
 | :--- | :--- | :--- | :--- |
+| 0.1.1 | 2021-12-29 | [\#5332](https://github.com/airbytehq/airbyte/pull/9190) | Added BufferedOutputStream wrapper to blob output stream to improve performance and fix issues with 50,000 block limit. Also disabled autoflush on PrintWriter. |
 | 0.1.0 | 2021-08-30 | [\#5332](https://github.com/airbytehq/airbyte/pull/5332) | Initial release with JSONL and CSV output. |
 
+