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Author: cindy-peng

google-cloud-datastore/src/main/java/com/google/cloud/datastore/DatastoreOptions.java

@@ -219,6 +219,7 @@ private DatastoreOptions(Builder builder) {
       throw new IllegalArgumentException(
           "Only gRPC transport allows setting of channel provider or credentials provider");
     } else if (getTransportOptions() instanceof GrpcTransportOptions) {
+      // For grpc transport options, configure default gRPC Connection pool with minChannelCount = 1 and maxChannelCount = 4
       this.channelProvider =
           builder.channelProvider != null
               ? builder.channelProvider
@@ -227,7 +228,7 @@ private DatastoreOptions(Builder builder) {
                       .setChannelPoolSettings(
                           ChannelPoolSettings.builder()
                               .setMinChannelCount(1)
-                              .setInitialChannelCount(4)
+                              .setMaxChannelCount(4)
                               .build()),
                   this);
     }

google-cloud-datastore/src/main/java/com/google/cloud/datastore/spi/v1/GrpcDatastoreRpc.java

@@ -75,6 +75,7 @@ public GrpcDatastoreRpc(DatastoreOptions datastoreOptions) throws IOException {
               ? getClientContextForEmulator(datastoreOptions)
               : getClientContext(datastoreOptions);
 
+      /* For grpc transport options, configure default gRPC Connection pool with minChannelCount = 1 and maxChannelCount = 4 */
       DatastoreStubSettings datastoreStubSettings =
           DatastoreStubSettings.newBuilder(clientContext)
               .applyToAllUnaryMethods(retrySettingSetter(datastoreOptions))