hlteoh37 commented on code in PR #1: URL: https://github.com/apache/flink-connector-prometheus/pull/1#discussion_r1757533937
########## flink-connector-prometheus/src/main/java/org/apache/flink/connector/prometheus/sink/http/RemoteWriteRetryStrategy.java: ########## @@ -0,0 +1,129 @@ +/* + * 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.flink.connector.prometheus.sink.http; + +import org.apache.flink.connector.prometheus.sink.PrometheusSinkConfiguration; +import org.apache.flink.connector.prometheus.sink.metrics.SinkMetricsCallback; + +import org.apache.hc.client5.http.HttpRequestRetryStrategy; +import org.apache.hc.core5.http.HttpRequest; +import org.apache.hc.core5.http.HttpResponse; +import org.apache.hc.core5.http.protocol.HttpContext; +import org.apache.hc.core5.util.TimeValue; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.net.ssl.SSLException; + +import java.io.IOException; +import java.io.InterruptedIOException; +import java.net.ConnectException; +import java.net.NoRouteToHostException; +import java.net.UnknownHostException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +/** + * Retry strategy for the http client. + * + * <p>Based on the http status code returned or the exception thrown, this strategy either retries + * with an exponential backoff strategy or immediately fail. + * + * <p>Response status codes are classified as retriable or non-retriable using {@link + * RemoteWriteResponseClassifier}. + * + * <p>All {@link IOException} are considered retriable, except for {@link InterruptedIOException}, + * {@link UnknownHostException}, {@link ConnectException}, {@link NoRouteToHostException}, and + * {@link SSLException}. + */ +public class RemoteWriteRetryStrategy implements HttpRequestRetryStrategy { Review Comment: `@Internal` -- 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: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org