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https://issues.apache.org/jira/browse/FLINK-7365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stephan Ewen resolved FLINK-7365.
---------------------------------
Resolution: Duplicate
Release Note: Duplicate of FLINK-7643
> excessive warning logs of attempt to override final parameter:
> fs.s3.buffer.dir
> -------------------------------------------------------------------------------
>
> Key: FLINK-7365
> URL: https://issues.apache.org/jira/browse/FLINK-7365
> Project: Flink
> Issue Type: Bug
> Components: Configuration
> Affects Versions: 1.3.0
> Reporter: Bowen Li
>
> I'm seeing hundreds of line of the following log in my JobManager log file:
> {code:java}
> 2017-08-03 19:48:45,330 WARN org.apache.hadoop.conf.Configuration
> - /usr/lib/hadoop/etc/hadoop/core-site.xml:an attempt to
> override final parameter: fs.s3.buffer.dir; Ignoring.
> 2017-08-03 19:48:45,485 WARN org.apache.hadoop.conf.Configuration
> - /etc/hadoop/conf/core-site.xml:an attempt to override final
> parameter: fs.s3.buffer.dir; Ignoring.
> 2017-08-03 19:48:45,486 WARN org.apache.hadoop.conf.Configuration
> - /usr/lib/hadoop/etc/hadoop/core-site.xml:an attempt to
> override final parameter: fs.s3.buffer.dir; Ignoring.
> 2017-08-03 19:48:45,626 WARN org.apache.hadoop.conf.Configuration
> - /etc/hadoop/conf/core-site.xml:an attempt to override final
> parameter: fs.s3.buffer.dir; Ignoring
> ......
> {code}
> Info of my Flink cluster:
> - Running on EMR with emr-5.6.0
> - Using FSStateBackend, writing checkpointing data files to s3
> - Configured s3 with S3AFileSystem according to
> https://ci.apache.org/projects/flink/flink-docs-release-1.4/setup/aws.html#set-s3-filesystem
> - AWS forbids resetting 'fs.s3.buffer.dir' value (it has a <final> tag on
> this property in core-site.xml), so I set 'fs.s3a.buffer.dir' as '/tmp'
> Here's my core-site.xml file:
> {code:java}
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <!-- 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.
> -->
> <configuration>
> <property>
> <name>fs.s3.buffer.dir</name>
> <value>/mnt/s3,/mnt1/s3</value>
> <final>true</final>
> </property>
> <property>
> <name>fs.s3.impl</name>
> <value>org.apache.hadoop.fs.s3a.S3AFileSystem</value>
> </property>
> <property>
> <name>fs.s3n.impl</name>
> <value>com.amazon.ws.emr.hadoop.fs.EmrFileSystem</value>
> </property>
> <property>
> <name>ipc.client.connect.max.retries.on.timeouts</name>
> <value>5</value>
> </property>
> <property>
> <name>hadoop.security.key.default.bitlength</name>
> <value>256</value>
> </property>
> <property>
> <name>hadoop.proxyuser.hadoop.groups</name>
> <value>*</value>
> </property>
> <property>
> <name>hadoop.tmp.dir</name>
> <value>/mnt/var/lib/hadoop/tmp</value>
> </property>
> <property>
> <name>hadoop.proxyuser.hadoop.hosts</name>
> <value>*</value>
> </property>
> <property>
> <name>io.file.buffer.size</name>
> <value>65536</value>
> </property>
> <property>
> <name>fs.AbstractFileSystem.s3.impl</name>
> <value>org.apache.hadoop.fs.s3.EMRFSDelegate</value>
> </property>
> <property>
> <name>fs.s3a.buffer.dir</name>
> <value>/tmp</value>
> </property>
> <property>
> <name>fs.s3bfs.impl</name>
> <value>org.apache.hadoop.fs.s3.S3FileSystem</value>
> </property>
> </configuration>
> {code}
> This bug is about excessive logging.
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