feat: Support gRPC Compression

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/ConnectionWorker.java

@@ -53,6 +53,7 @@
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 
 /**
@@ -119,6 +120,10 @@ class ConnectionWorker implements AutoCloseable {
    */
   private final String traceId;
 
+  /*
+   * Enables compression on the wire.
+   */
+  private String compressorName = null;
   /*
    * Tracks current inflight requests in the stream.
    */
@@ -253,6 +258,7 @@ public ConnectionWorker(
       Duration maxRetryDuration,
       FlowController.LimitExceededBehavior limitExceededBehavior,
       String traceId,
+      @Nullable String compressorName,
       BigQueryWriteSettings clientSettings)
       throws IOException {
     this.lock = new ReentrantLock();
@@ -274,6 +280,7 @@ public ConnectionWorker(
     this.traceId = traceId;
     this.waitingRequestQueue = new LinkedList<AppendRequestAndResponse>();
     this.inflightRequestQueue = new LinkedList<AppendRequestAndResponse>();
+    this.compressorName = compressorName;
     // Always recreate a client for connection worker.
     HashMap<String, String> newHeaders = new HashMap<>();
     newHeaders.putAll(clientSettings.toBuilder().getHeaderProvider().getHeaders());
@@ -343,7 +350,8 @@ public void run(AppendRowsResponse response) {
               public void run(Throwable finalStatus) {
                 doneCallback(finalStatus);
               }
-            });
+            },
+            this.compressorName);
     log.info("Finish connecting stream: " + streamName + " id: " + writerId);
   }
 

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/ConnectionWorkerPool.java

@@ -41,6 +41,7 @@
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 
 /** Pool of connections to accept appends and distirbute to different connections. */
@@ -91,6 +92,10 @@ public class ConnectionWorkerPool {
    * TraceId for debugging purpose.
    */
   private final String traceId;
+  /*
+   * Sets the compression to use for the calls
+   */
+  private String compressorName;
 
   /** Used for test on the number of times createWorker is called. */
   private final AtomicInteger testValueCreateConnectionCount = new AtomicInteger(0);
@@ -199,12 +204,14 @@ public abstract static class Builder {
       java.time.Duration maxRetryDuration,
       FlowController.LimitExceededBehavior limitExceededBehavior,
       String traceId,
+      @Nullable String comperssorName,
       BigQueryWriteSettings clientSettings) {
     this.maxInflightRequests = maxInflightRequests;
     this.maxInflightBytes = maxInflightBytes;
     this.maxRetryDuration = maxRetryDuration;
     this.limitExceededBehavior = limitExceededBehavior;
     this.traceId = traceId;
+    this.compressorName = comperssorName;
     this.clientSettings = clientSettings;
     this.currentMaxConnectionCount = settings.minConnectionsPerRegion();
   }
@@ -379,6 +386,7 @@ private ConnectionWorker createConnectionWorker(
             maxRetryDuration,
             limitExceededBehavior,
             traceId,
+            compressorName,
             clientSettings);
     connectionWorkerPool.add(connectionWorker);
     log.info(

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriter.java

@@ -336,6 +336,17 @@ public Builder setLocation(String location) {
       return this;
     }
 
+    /**
+     * Sets the compression to use for the calls. The compressor must be of type gzip.
+     *
+     * @param compressorName
+     * @return Builder
+     */
+    public Builder setCompressorName(String compressorName) {
+      this.schemaAwareStreamWriterBuilder.setCompressorName(compressorName);
+      return this;
+    }
+
     /**
      * Builds JsonStreamWriter
      *

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/SchemaAwareStreamWriter.java

@@ -62,6 +62,7 @@ public class SchemaAwareStreamWriter<T> implements AutoCloseable {
   private Descriptor descriptor;
   private TableSchema tableSchema;
   private ProtoSchema protoSchema;
+  private String CompressorName;
 
   // During some sitaution we want to skip stream writer refresh for updated schema. e.g. when
   // the user provides the table schema, we should always use that schema.
@@ -92,7 +93,8 @@ private SchemaAwareStreamWriter(Builder<T> builder)
         builder.endpoint,
         builder.flowControlSettings,
         builder.traceIdBase,
-        builder.traceId);
+        builder.traceId,
+        builder.compressorName);
     streamWriterBuilder.setEnableConnectionPool(builder.enableConnectionPool);
     streamWriterBuilder.setLocation(builder.location);
     this.streamWriter = streamWriterBuilder.build();
@@ -276,7 +278,8 @@ private void setStreamWriterSettings(
       @Nullable String endpoint,
       @Nullable FlowControlSettings flowControlSettings,
       @Nullable String traceIdBase,
-      @Nullable String traceId) {
+      @Nullable String traceId,
+      @Nullable String compressorName) {
     if (channelProvider != null) {
       streamWriterBuilder.setChannelProvider(channelProvider);
     }
@@ -316,6 +319,9 @@ private void setStreamWriterSettings(
             flowControlSettings.getLimitExceededBehavior());
       }
     }
+    if (compressorName != null) {
+      streamWriterBuilder.setCompressorName(compressorName);
+    }
   }
 
   /**
@@ -425,6 +431,7 @@ public static final class Builder<T> {
     // Indicates whether multiplexing mode is enabled.
     private boolean enableConnectionPool = false;
     private String location;
+    private String compressorName;
 
     private static final String streamPatternString =
         "(projects/[^/]+/datasets/[^/]+/tables/[^/]+)/streams/[^/]+";
@@ -609,6 +616,17 @@ public Builder<T> setLocation(String location) {
       return this;
     }
 
+    /**
+     * Sets the compression to use for the calls. The compressor must be of type gzip.
+     *
+     * @param compressorName
+     * @return Builder
+     */
+    public Builder<T> setCompressorName(String compressorName) {
+      this.compressorName = compressorName;
+      return this;
+    }
+
     /**
      * Builds SchemaAwareStreamWriter
      *

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/StreamConnection.java

@@ -15,13 +15,18 @@
  */
 package com.google.cloud.bigquery.storage.v1;
 
+import com.google.api.gax.grpc.GrpcCallContext;
+import com.google.api.gax.rpc.ApiCallContext;
 import com.google.api.gax.rpc.BidiStreamingCallable;
 import com.google.api.gax.rpc.ClientStream;
 import com.google.api.gax.rpc.ResponseObserver;
 import com.google.api.gax.rpc.StreamController;
+import io.grpc.CallOptions;
 import io.grpc.Status;
 import io.grpc.Status.Code;
 import io.grpc.StatusRuntimeException;
+import java.util.logging.Logger;
+import javax.annotation.Nullable;
 
 /**
  * StreamConnection is responsible for writing requests to a GRPC bidirecional connection.
@@ -43,11 +48,24 @@ class StreamConnection {
   private RequestCallback requestCallback;
   private DoneCallback doneCallback;
 
+  private static final Logger log = Logger.getLogger(StreamConnection.class.getName());
+
   public StreamConnection(
-      BigQueryWriteClient client, RequestCallback requestCallback, DoneCallback doneCallback) {
+      BigQueryWriteClient client,
+      RequestCallback requestCallback,
+      DoneCallback doneCallback,
+      @Nullable String compressorName) {
     this.requestCallback = requestCallback;
     this.doneCallback = doneCallback;
 
+    ApiCallContext apiCallContext = null;
+    if (compressorName != null) {
+      apiCallContext =
+          GrpcCallContext.createDefault()
+              .withCallOptions(CallOptions.DEFAULT.withCompression(compressorName));
+      log.info("gRPC compression is enabled with " + compressorName + " compression");
+    }
+
     bidiStreamingCallable = client.appendRowsCallable();
     clientStream =
         bidiStreamingCallable.splitCall(
@@ -75,7 +93,8 @@ public void onComplete() {
                         Status.fromCode(Code.CANCELLED)
                             .withDescription("Stream is closed by user.")));
               }
-            });
+            },
+            apiCallContext);
   }
 
   /**

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/StreamWriter.java

@@ -215,6 +215,7 @@ private StreamWriter(Builder builder) throws IOException {
                   builder.maxRetryDuration,
                   builder.limitExceededBehavior,
                   builder.traceId,
+                  builder.compressorName,
                   clientSettings));
     } else {
       if (!isDefaultStream(streamName)) {
@@ -276,6 +277,7 @@ private StreamWriter(Builder builder) throws IOException {
                         builder.maxRetryDuration,
                         builder.limitExceededBehavior,
                         builder.traceId,
+                        builder.compressorName,
                         client.getSettings());
                   }));
       validateFetchedConnectonPool(builder);
@@ -598,6 +600,8 @@ public static final class Builder {
 
     private java.time.Duration maxRetryDuration = Duration.ofMinutes(5);
 
+    private String compressorName = null;
+
     private Builder(String streamName) {
       this.streamName = Preconditions.checkNotNull(streamName);
       this.client = null;
@@ -716,6 +720,16 @@ public Builder setMaxRetryDuration(java.time.Duration maxRetryDuration) {
       return this;
     }
 
+    public Builder setCompressorName(String compressorName) {
+      Preconditions.checkNotNull(compressorName);
+      Preconditions.checkArgument(
+          compressorName.equals("gzip"),
+          "Compression of type \"%s\" isn't supported, only \"gzip\" compression is supported.",
+          compressorName);
+      this.compressorName = compressorName;
+      return this;
+    }
+
     /** Builds the {@code StreamWriterV2}. */
     public StreamWriter build() throws IOException {
       return new StreamWriter(this);

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/ConnectionWorkerPoolTest.java

@@ -477,6 +477,7 @@ ConnectionWorkerPool createConnectionWorkerPool(
         maxRetryDuration,
         FlowController.LimitExceededBehavior.Block,
         TEST_TRACE_ID,
+        null,
         clientSettings);
   }
 }

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/ConnectionWorkerTest.java

@@ -333,6 +333,7 @@ public void testAppendButInflightQueueFull() throws Exception {
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
     testBigQueryWrite.setResponseSleep(org.threeten.bp.Duration.ofSeconds(1));
     ConnectionWorker.setMaxInflightQueueWaitTime(500);
@@ -388,6 +389,7 @@ public void testThrowExceptionWhileWithinAppendLoop() throws Exception {
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
     testBigQueryWrite.setResponseSleep(org.threeten.bp.Duration.ofSeconds(1));
     ConnectionWorker.setMaxInflightQueueWaitTime(500);
@@ -451,6 +453,7 @@ public void testLocationMismatch() throws Exception {
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
     StatusRuntimeException ex =
         assertThrows(
@@ -481,6 +484,7 @@ public void testStreamNameMismatch() throws Exception {
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
     StatusRuntimeException ex =
         assertThrows(
@@ -532,6 +536,7 @@ private ConnectionWorker createConnectionWorker(
         maxRetryDuration,
         FlowController.LimitExceededBehavior.Block,
         TEST_TRACE_ID,
+        null,
         client.getSettings());
   }
 
@@ -625,6 +630,7 @@ public void testThrowExceptionWhileWithinAppendLoop_MaxWaitTimeExceed() throws E
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
     testBigQueryWrite.setResponseSleep(org.threeten.bp.Duration.ofSeconds(3));
 
@@ -681,6 +687,7 @@ public void testLongTimeIdleWontFail() throws Exception {
             Duration.ofSeconds(100),
             FlowController.LimitExceededBehavior.Block,
             TEST_TRACE_ID,
+            null,
             client.getSettings());
 
     long appendCount = 10;

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonStreamWriterTest.java

@@ -1452,4 +1452,20 @@ public void testAppendWithMissingValueMap() throws Exception {
           missingValueMap);
     }
   }
+
+  @Test
+  public void testWrongCompressionType() throws Exception {
+    IllegalArgumentException ex =
+        assertThrows(
+            IllegalArgumentException.class,
+            () -> {
+              getTestJsonStreamWriterBuilder(TEST_STREAM, TABLE_SCHEMA)
+                  .setCompressorName("not-gzip")
+                  .build();
+            });
+    assertTrue(
+        ex.getMessage()
+            .contains(
+                "Compression of type \"not-gzip\" isn't supported, only \"gzip\" compression is supported."));
+  }
 }

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/StreamWriterTest.java

@@ -949,6 +949,20 @@ public void testMessageTooLarge() throws Exception {
     writer.close();
   }
 
+  @Test
+  public void testWrongCompressionType() throws Exception {
+    IllegalArgumentException ex =
+        assertThrows(
+            IllegalArgumentException.class,
+            () -> {
+              StreamWriter.newBuilder(TEST_STREAM_1, client).setCompressorName("not-gzip").build();
+            });
+    assertTrue(
+        ex.getMessage()
+            .contains(
+                "Compression of type \"not-gzip\" isn't supported, only \"gzip\" compression is supported."));
+  }
+
   @Test
   public void testThrowExceptionWhileWithinAppendLoop_MaxWaitTimeExceed() throws Exception {
     ProtoSchema schema1 = createProtoSchema("foo");