Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
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/quorum/LearnerSyncThrottler.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.quorum; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Utility class to limit the number of concurrent syncs from a leader to * observers and followers or from a follower to observers. {@link LearnerHandler} * objects should call {@link #beginSync(boolean)} before sending a sync and * {@link #endSync()} after finishing, successfully or not. * */ public class LearnerSyncThrottler { private static final Logger LOG = LoggerFactory.getLogger(LearnerSyncThrottler.class); private final Object countSyncObject = new Object(); private int syncInProgress; private volatile int maxConcurrentSyncs; public enum SyncType { DIFF, SNAP } private final SyncType syncType; /** * Constructs a new instance limiting the concurrent number of syncs to * <code>maxConcurrentSyncs</code>. * @param maxConcurrentSyncs maximum concurrent number of syncs * @param syncType either a snapshot sync or a txn-based diff sync * @throws java.lang.IllegalArgumentException when <code>maxConcurrentSyncs</code> * is less than 1 */ public LearnerSyncThrottler(int maxConcurrentSyncs, SyncType syncType) throws IllegalArgumentException { if (maxConcurrentSyncs <= 0) { String errorMsg = "maxConcurrentSyncs must be positive, was " + maxConcurrentSyncs; throw new IllegalArgumentException(errorMsg); } this.maxConcurrentSyncs = maxConcurrentSyncs; this.syncType = syncType; synchronized (countSyncObject) { syncInProgress = 0; } } /** * Indicates that a new sync is about to be sent. * * @param essential if <code>true</code>, do not throw an exception even * if throttling limit is reached * @throws SyncThrottleException if throttling limit has been exceeded * and <code>essential == false</code>, * even after waiting for the timeout * period, if any * @throws InterruptedException if thread is interrupted while trying * to start a sync; cannot happen if * timeout is zero */ protected void beginSync(boolean essential) throws SyncThrottleException, InterruptedException { synchronized (countSyncObject) { if (essential || syncInProgress < maxConcurrentSyncs) { syncInProgress++; } else { throw new SyncThrottleException(syncInProgress + 1, maxConcurrentSyncs, syncType); } } } /** * Indicates that a sync has been completed. */ public void endSync() { int newCount; synchronized (countSyncObject) { syncInProgress--; newCount = syncInProgress; countSyncObject.notify(); } if (newCount < 0) { String errorMsg = "endSync() called incorrectly; current sync count is " + newCount; LOG.error(errorMsg); } } public void setMaxConcurrentSyncs(int maxConcurrentSyncs) { this.maxConcurrentSyncs = maxConcurrentSyncs; } public int getSyncInProgress() { return syncInProgress; } }
⏎ org/apache/zookeeper/server/quorum/LearnerSyncThrottler.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, 14545👍, 0💬
Popular Posts:
pache Derby is an open source relational database implemented entirely in Java and available under t...
maven-core-3.8.6.jar is the JAR file for Apache Maven 3.8.6 Core module. Apache Maven is a software ...
XStream is a simple library to serialize objects to XML and back again. JAR File Size and Download L...
Java Advanced Imaging (JAI) is a Java platform extension API that provides a set of object-oriented ...
Apache Log4j 1.2 Bridge allows applications coded to use Log4j 1.2 API to use Log4j 2 instead. Bytec...