m-trieu commented on code in PR #34539: URL: https://github.com/apache/beam/pull/34539#discussion_r2036242665
########## runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/windmill/client/grpc/stubs/WindmillChannels.java: ########## @@ -0,0 +1,179 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.beam.runners.dataflow.worker.windmill.client.grpc.stubs; + +import java.util.concurrent.TimeUnit; +import javax.net.ssl.SSLException; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill.UserWorkerGrpcFlowControlSettings; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillEndpoints; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillServiceAddress; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillServiceAddress.AuthenticatedGcpServiceAddress; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.Channel; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.ManagedChannel; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.alts.AltsChannelCredentials; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.inprocess.InProcessChannelBuilder; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.netty.GrpcSslContexts; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.netty.NegotiationType; +import org.apache.beam.vendor.grpc.v1p69p0.io.grpc.netty.NettyChannelBuilder; +import org.apache.beam.vendor.grpc.v1p69p0.io.netty.handler.ssl.SslContext; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.net.HostAndPort; + +/** Utility class used to create different RPC Channels. */ +public final class WindmillChannels { + public static final String LOCALHOST = "localhost"; + private static final int MAX_REMOTE_TRACE_EVENTS = 100; + // 1MiB. + private static final int MAX_INBOUND_METADATA_SIZE_BYTES = 1024 * 1024; + // 10MiB. Roughly 2x max message size. + private static final int WINDMILL_MIN_FLOW_CONTROL_WINDOW = + NettyChannelBuilder.DEFAULT_FLOW_CONTROL_WINDOW * 10; + + // User a bigger flow control window and onready threshold for directpath to prevent churn when + // gRPC is trying to flush gRPCs over the wire. If onReadyThreshold and flowControlWindowBytes are + // too low, it was observed in testing that the gRPC channel can get stuck in a "not-ready" state + // until stream deadline. + private static final UserWorkerGrpcFlowControlSettings DEFAULT_DIRECTPATH_FLOW_CONTROL_SETTINGS = + UserWorkerGrpcFlowControlSettings.newBuilder() + // 100MiB. + .setFlowControlWindowBytes(WINDMILL_MIN_FLOW_CONTROL_WINDOW * 10) + // 100MiB. + .setOnReadyThresholdBytes(WINDMILL_MIN_FLOW_CONTROL_WINDOW * 10) Review Comment: done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@beam.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org