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Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/server/RateLogger.java
/* * 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.zookeeper.server; import java.util.Objects; import org.apache.zookeeper.common.Time; import org.slf4j.Logger; /** * This logs the message once in the beginning and once every LOG_INTERVAL. */ public class RateLogger { private final long LOG_INTERVAL; // Duration is in ms public RateLogger(Logger log) { this(log, 100); } public RateLogger(Logger log, long interval) { LOG = log; LOG_INTERVAL = interval; } private final Logger LOG; private String msg = null; private long timestamp; private int count = 0; private String value = null; public void flush() { if (msg != null && count > 0) { String log = ""; if (count > 1) { log = "[" + count + " times] "; } log += "Message: " + msg; if (value != null) { log += " Last value:" + value; } LOG.warn(log); } msg = null; value = null; count = 0; } public void rateLimitLog(String newMsg) { rateLimitLog(newMsg, null); } /** * In addition to the message, it also takes a value. */ public void rateLimitLog(String newMsg, String newValue) { long now = Time.currentElapsedTime(); if (Objects.equals(newMsg, msg)) { ++count; value = newValue; if (now - timestamp >= LOG_INTERVAL) { flush(); msg = newMsg; timestamp = now; value = newValue; } } else { flush(); msg = newMsg; value = newValue; timestamp = now; LOG.warn("Message:{} Value:{}", msg, value); } } }
⏎ org/apache/zookeeper/server/RateLogger.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 14566👍, 0💬
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