m-trieu commented on code in PR #32774: URL: https://github.com/apache/beam/pull/32774#discussion_r1824900354
########## runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/windmill/client/StreamDebugMetrics.java: ########## @@ -0,0 +1,182 @@ +/* + * 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; + +import com.google.auto.value.AutoValue; +import java.util.Optional; +import java.util.concurrent.atomic.AtomicInteger; +import javax.annotation.Nullable; +import javax.annotation.concurrent.GuardedBy; +import javax.annotation.concurrent.ThreadSafe; +import org.joda.time.DateTime; +import org.joda.time.Instant; + +/** Records stream metrics for debugging. */ +@ThreadSafe +final class StreamDebugMetrics { + private final AtomicInteger restartCount = new AtomicInteger(); + private final AtomicInteger errorCount = new AtomicInteger(); + + @GuardedBy("this") + private long sleepUntil = 0; + + @GuardedBy("this") + private String lastRestartReason = ""; + + @GuardedBy("this") + private DateTime lastRestartTime = null; + + @GuardedBy("this") + private long lastResponseTimeMs = 0; + + @GuardedBy("this") + private long lastSendTimeMs = 0; + + @GuardedBy("this") + private long startTimeMs = 0; + + @GuardedBy("this") + private DateTime shutdownTime = null; + + private static long debugDuration(long nowMs, long startMs) { + return startMs <= 0 ? -1 : Math.max(0, nowMs - startMs); + } + + private static long nowMs() { + return Instant.now().getMillis(); + } + + synchronized void recordSend() { + lastSendTimeMs = nowMs(); + } + + synchronized void recordStart() { + startTimeMs = nowMs(); + lastResponseTimeMs = 0; + } + + synchronized void recordResponse() { + lastResponseTimeMs = nowMs(); + } + + synchronized void recordRestartReason(String error) { + lastRestartReason = error; + lastRestartTime = DateTime.now(); + } + + synchronized long startTimeMs() { 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
