JKonSir commented on code in PR #7680: URL: https://github.com/apache/ignite-3/pull/7680#discussion_r3117518450
########## modules/core/src/main/java/org/apache/ignite/internal/util/retry/ExponentialBackoffTimeoutStrategy.java: ########## @@ -0,0 +1,134 @@ +/* + * 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.ignite.internal.util.retry; + +import java.util.concurrent.ThreadLocalRandom; + +/** + * A {@link TimeoutStrategy} that increases retry timeouts exponentially on each attempt. + * + * <p>Each call to {@link #next(int)} multiplies the current timeout by {@code backoffCoefficient}, + * capping the result at {@link #maxTimeout()}. Optionally, random jitter can be applied to spread + * retry attempts across time and avoid thundering herd problems under high concurrency. + * + * <p>When jitter is enabled, the returned timeout is randomized within the range + * {@code [raw / 2, raw * 1.5]}, then capped at {@link #maxTimeout()}. + * + * <p>This class is stateless and thread-safe. A single instance can be shared across + * multiple retry contexts. + */ +public class ExponentialBackoffTimeoutStrategy implements TimeoutStrategy { 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]
