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https://issues.apache.org/jira/browse/ZOOKEEPER-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142336#comment-16142336
 ] 

ASF GitHub Bot commented on ZOOKEEPER-1260:
-------------------------------------------

Github user afine commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/338#discussion_r135363607
  
    --- Diff: src/java/test/org/apache/zookeeper/audit/ZKAuditLoggerTest.java 
---
    @@ -0,0 +1,377 @@
    +/**
    + * 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.audit;
    +
    +import static org.apache.zookeeper.test.ClientBase.CONNECTION_TIMEOUT;
    +import static org.junit.Assert.assertEquals;
    +
    +import java.io.ByteArrayOutputStream;
    +import java.io.IOException;
    +import java.io.LineNumberReader;
    +import java.io.StringReader;
    +import java.net.InetAddress;
    +import java.net.InetSocketAddress;
    +import java.util.ArrayList;
    +import java.util.List;
    +
    +import org.apache.log4j.Layout;
    +import org.apache.log4j.Level;
    +import org.apache.log4j.Logger;
    +import org.apache.log4j.SimpleLayout;
    +import org.apache.log4j.WriterAppender;
    +import org.apache.zookeeper.CreateMode;
    +import org.apache.zookeeper.KeeperException;
    +import org.apache.zookeeper.KeeperException.Code;
    +import org.apache.zookeeper.Op;
    +import org.apache.zookeeper.PortAssignment;
    +import org.apache.zookeeper.ZKTestCase;
    +import org.apache.zookeeper.ZKUtil;
    +import org.apache.zookeeper.ZooDefs;
    +import org.apache.zookeeper.ZooKeeper;
    +import org.apache.zookeeper.data.ACL;
    +import org.apache.zookeeper.data.Stat;
    +import org.apache.zookeeper.server.Request;
    +import org.apache.zookeeper.server.ServerCnxn;
    +import org.apache.zookeeper.server.quorum.QuorumPeerTestBase.MainThread;
    +import org.apache.zookeeper.test.ClientBase;
    +import org.apache.zookeeper.test.ClientBase.CountdownWatcher;
    +import org.junit.After;
    +import org.junit.Assert;
    +import org.junit.Test;
    +
    +public class ZKAuditLoggerTest extends ZKTestCase {
    +    private static final Logger LOG = 
Logger.getLogger(ZKAuditLoggerTest.class);
    +    private static int SERVER_COUNT = 3;
    +    private MainThread[] mt;
    +    private ZooKeeper zk;
    +
    +    @Test
    +    public void testAuditLogs() throws Exception {
    --- End diff --
    
    I really like this integration test. I think it would be great if it was a 
little more rigorous. 
    
    Would it be possible to use multiple auth providers oruse multiple servers 
and make sure logs are only appearing on the correct server? 


> Audit logging in ZooKeeper servers.
> -----------------------------------
>
>                 Key: ZOOKEEPER-1260
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1260
>             Project: ZooKeeper
>          Issue Type: New Feature
>          Components: server
>            Reporter: Mahadev konar
>            Assignee: Mohammad Arshad
>             Fix For: 3.5.4, 3.6.0
>
>         Attachments: ZOOKEEPER-1260-01.patch, zookeeperAuditLogs.pdf
>
>
> Lots of users have had questions on debugging which client changed what znode 
> and what updates went through a znode. We should add audit logging as in 
> Hadoop (look at Namenode Audit logging) to log which client changed what in 
> the zookeeper servers. This could just be a log4j audit logger.



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