분산 환경을 위한 hadoop 설정

$ sudo add-apt-repository ppa:webupd8team/java $ sudo apt-get update $ sudo apt-get install oracle-java7-installer

Updata Java runtime

$ sudo update-java-alternatives -s java-7-oracle

hadoop 설정 파일

hadoop 설정 파일을 자신의 환경에 맞추어 바꾸자.

  • 설정 파일 위치
  • {$HADOOP_HOME} /etc/hadoop
  • hadoop-env.sh
#export JAVA_HOME=${JAVA_HOME}
export JAVA_HOME=/usr/lib/jvm/java-7-oracle/
  • mapred-env.sh
  • JAVA 환경 설정 확인
  • core-site.xml
<property>
        <name>fs.defaultFS</name>
        <value>hdfs://NAMENODE:9000</value>
        <description>Temporary Directory.</description>
</property>
<property>
        <name>hadoop.tmp.dir</name>
        <value>/data/hadoop/tmp</value>
        <description>Use HDFS as file storage engine</description>
</property>
  • hdfs-site.xml
<configuration>
  <property>
    <name>dfs.replication</name>
    <value>3</value>
  </property>
  <property>
    <name>dfs.webhdfs.enabled</name>
    <value>true</value>
  </property>
  <property>
    <name>dfs.secondary.http.address</name>
    <value>SECONDNAMENODE:50090</value>
  </property>
  <property>
    <name>dfs.namenode.name.dir</name>
    <value>file:///data/hadoop/dfs/name</value>
    <final>true</final>
  </property>
  <property>
    <name>dfs.datanode.data.dir</name>
    <value>file:///data/hadoop/dfs/data</value>
    <final>true</final>
  </property>
  <property>
    <name>dfs.namenode.checkpoint.dir</name>
    <value>/data/hadoop/dfs/namesecondary</value>
  </property>
  <property>
    <name>dfs.permissions</name>
    <value>false</value>
  </property>
  <property>
    <name>dfs.datanode.hdfs-blocks-metadata.enabled</name>
    <value>true</value>
  </property>
</configuration>
  • mapred-site.xml
  <property>
    <name>mapreduce.jobtracker.address</name>
    <value>NAMENODE:54311</value>
    <description>The host and port that the MapReduce job tracker runs
    </description>
  </property>
  <property>
    <name>mapreduce.framework.name</name>
    <value>yarn</value>
  </property>
  <property>
    <name>mapred.local.dir</name>
    <value>/data/hadoop/hdfs/mapred</value>
  </property>
  <property>
    <name>mapred.system.dir</name>
    <value>/data/hadoop/hdfs/mapred</value>
  </property>
  • yarn-site.xml
<!-- Site specific YARN configuration properties -->
  <property>
    <name>yarn.nodemanager.aux-services</name>
    <value>mapreduce_shuffle</value>
  </property>
  <property>
    <name>yarn.nodemanager.aux-services.mapreduce_shuffle.class</name>
    <value>org.apache.hadoop.mapred.ShuffleHandler</value>
  </property>
  <property>
    <name>yarn.resourcemanager.hostname</name>
    <value>mare11</value>
  </property>
  <property>
    <name>yarn.resourcemanager.resource-tracker.address</name>
    <value>mare11:8025</value>
  </property>

  <property>
    <name>yarn.resourcemanager.scheduler.address</name>
    <value>mare11:8030</value>
  </property>
  <property>
    <name>yarn.resourcemanager.address</name>
    <value>mare11:8035</value>
  </property>

경로(PATH) 설정

$ vi ~/.bashrc

export JAVA_HOME=/usr/lib/jvm/java-7-oracle/
export HADOOP_PREFIX=/usr/local/hadoop/
export PATH=$HADOOP_PREFIX/bin:$HADOOP_PREFIX/sbin:$PATH

HDFS format

  • namenode에서 실행

$ hdfs namenode -format

16/09/18 03:42:43 INFO namenode.NameNode: STARTUP_MSG: 
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = mare11/127.0.1.1
STARTUP_MSG:   args = [-format]
STARTUP_MSG:   version = 2.7.2
STARTUP_MSG:   classpath = /usr/local/hadoop//etc/hadoop:/usr/local/hadoop//share/hadoop/common/lib/hadoop-annotations-2.7.2.jar:/usr/local/hadoop//share/hadoop/common/lib/curator-client-2.7.1.jar:/usr/local/hadoop//share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-lang-2.6.jar:/usr/local/hadoop//share/hadoop/common/lib/htrace-core-3.1.0-incubating.jar:/usr/local/hadoop//share/hadoop/common/lib/jsp-api-2.1.jar:/usr/local/hadoop//share/hadoop/common/lib/paranamer-2.3.jar:/usr/local/hadoop//share/hadoop/common/lib/activation-1.1.jar:/usr/local/hadoop//share/hadoop/common/lib/xmlenc-0.52.jar:/usr/local/hadoop//share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/common/lib/httpcore-4.2.5.jar:/usr/local/hadoop//share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/usr/local/hadoop//share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/usr/local/hadoop//share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-compress-1.4.1.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-configuration-1.6.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-io-2.4.jar:/usr/local/hadoop//share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/usr/local/hadoop//share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/usr/local/hadoop//share/hadoop/common/lib/gson-2.2.4.jar:/usr/local/hadoop//share/hadoop/common/lib/avro-1.7.4.jar:/usr/local/hadoop//share/hadoop/common/lib/netty-3.6.2.Final.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-cli-1.2.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-collections-3.2.2.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/usr/local/hadoop//share/hadoop/common/lib/curator-recipes-2.7.1.jar:/usr/local/hadoop//share/hadoop/common/lib/jets3t-0.9.0.jar:/usr/local/hadoop//share/hadoop/common/lib/jettison-1.1.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/usr/local/hadoop//share/hadoop/common/lib/httpclient-4.2.5.jar:/usr/local/hadoop//share/hadoop/common/lib/hadoop-auth-2.7.2.jar:/usr/local/hadoop//share/hadoop/common/lib/jsch-0.1.42.jar:/usr/local/hadoop//share/hadoop/common/lib/jetty-util-6.1.26.jar:/usr/local/hadoop//share/hadoop/common/lib/jersey-core-1.9.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-net-3.1.jar:/usr/local/hadoop//share/hadoop/common/lib/zookeeper-3.4.6.jar:/usr/local/hadoop//share/hadoop/common/lib/hamcrest-core-1.3.jar:/usr/local/hadoop//share/hadoop/common/lib/asm-3.2.jar:/usr/local/hadoop//share/hadoop/common/lib/jsr305-3.0.0.jar:/usr/local/hadoop//share/hadoop/common/lib/slf4j-api-1.7.10.jar:/usr/local/hadoop//share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/usr/local/hadoop//share/hadoop/common/lib/jersey-server-1.9.jar:/usr/local/hadoop//share/hadoop/common/lib/api-util-1.0.0-M20.jar:/usr/local/hadoop//share/hadoop/common/lib/xz-1.0.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-digester-1.8.jar:/usr/local/hadoop//share/hadoop/common/lib/jaxb-api-2.2.2.jar:/usr/local/hadoop//share/hadoop/common/lib/servlet-api-2.5.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-math3-3.1.1.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-logging-1.1.3.jar:/usr/local/hadoop//share/hadoop/common/lib/log4j-1.2.17.jar:/usr/local/hadoop//share/hadoop/common/lib/curator-framework-2.7.1.jar:/usr/local/hadoop//share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-httpclient-3.1.jar:/usr/local/hadoop//share/hadoop/common/lib/guava-11.0.2.jar:/usr/local/hadoop//share/hadoop/common/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop//share/hadoop/common/lib/jersey-json-1.9.jar:/usr/local/hadoop//share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/usr/local/hadoop//share/hadoop/common/lib/mockito-all-1.8.5.jar:/usr/local/hadoop//share/hadoop/common/lib/jackson-xc-1.9.13.jar:/usr/local/hadoop//share/hadoop/common/lib/junit-4.11.jar:/usr/local/hadoop//share/hadoop/common/lib/jetty-6.1.26.jar:/usr/local/hadoop//share/hadoop/common/lib/commons-codec-1.4.jar:/usr/local/hadoop//share/hadoop/common/lib/stax-api-1.0-2.jar:/usr/local/hadoop//share/hadoop/common/hadoop-nfs-2.7.2.jar:/usr/local/hadoop//share/hadoop/common/hadoop-common-2.7.2.jar:/usr/local/hadoop//share/hadoop/common/hadoop-common-2.7.2-tests.jar:/usr/local/hadoop//share/hadoop/hdfs:/usr/local/hadoop//share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-lang-2.6.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/htrace-core-3.1.0-incubating.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/xercesImpl-2.9.1.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/xmlenc-0.52.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-io-2.4.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-cli-1.2.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/leveldbjni-all-1.8.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jersey-core-1.9.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/asm-3.2.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/netty-all-4.0.23.Final.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jsr305-3.0.0.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jersey-server-1.9.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/servlet-api-2.5.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/log4j-1.2.17.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/guava-11.0.2.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/xml-apis-1.3.04.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/jetty-6.1.26.jar:/usr/local/hadoop//share/hadoop/hdfs/lib/commons-codec-1.4.jar:/usr/local/hadoop//share/hadoop/hdfs/hadoop-hdfs-nfs-2.7.2.jar:/usr/local/hadoop//share/hadoop/hdfs/hadoop-hdfs-2.7.2-tests.jar:/usr/local/hadoop//share/hadoop/hdfs/hadoop-hdfs-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/yarn/lib/zookeeper-3.4.6-tests.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-lang-2.6.jar:/usr/local/hadoop//share/hadoop/yarn/lib/activation-1.1.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-io-2.4.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/usr/local/hadoop//share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-cli-1.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jersey-guice-1.9.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-collections-3.2.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/guice-servlet-3.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/guice-3.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jettison-1.1.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jersey-core-1.9.jar:/usr/local/hadoop//share/hadoop/yarn/lib/zookeeper-3.4.6.jar:/usr/local/hadoop//share/hadoop/yarn/lib/asm-3.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/javax.inject-1.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jsr305-3.0.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jersey-server-1.9.jar:/usr/local/hadoop//share/hadoop/yarn/lib/aopalliance-1.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/xz-1.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/servlet-api-2.5.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/usr/local/hadoop//share/hadoop/yarn/lib/log4j-1.2.17.jar:/usr/local/hadoop//share/hadoop/yarn/lib/guava-11.0.2.jar:/usr/local/hadoop//share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jersey-json-1.9.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jersey-client-1.9.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/usr/local/hadoop//share/hadoop/yarn/lib/jetty-6.1.26.jar:/usr/local/hadoop//share/hadoop/yarn/lib/commons-codec-1.4.jar:/usr/local/hadoop//share/hadoop/yarn/lib/stax-api-1.0-2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-client-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-common-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-tests-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-sharedcachemanager-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-common-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-api-2.7.2.jar:/usr/local/hadoop//share/hadoop/yarn/hadoop-yarn-registry-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/hadoop-annotations-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/jackson-mapper-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/paranamer-2.3.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/jackson-core-asl-1.9.13.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/commons-io-2.4.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/avro-1.7.4.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/guice-3.0.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/leveldbjni-all-1.8.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/hamcrest-core-1.3.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/asm-3.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/javax.inject-1.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/xz-1.0.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop//share/hadoop/mapreduce/lib/junit-4.11.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.7.2-tests.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.7.2.jar:/usr/local/hadoop//share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.7.2.jar:/contrib/capacity-scheduler/*.jar
STARTUP_MSG:   build = https://git-wip-us.apache.org/repos/asf/hadoop.git -r b165c4fe8a74265c792ce23f546c64604acf0e41; compiled by 'jenkins' on 2016-01-26T00:08Z
STARTUP_MSG:   java = 1.7.0_80
************************************************************/
16/09/18 03:42:43 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
16/09/18 03:42:43 INFO namenode.NameNode: createNameNode [-format]
Formatting using clusterid: CID-9c296ab9-fcdf-43da-abaa-1fc72600c8e5
16/09/18 03:42:44 INFO namenode.FSNamesystem: No KeyProvider found.
16/09/18 03:42:44 INFO namenode.FSNamesystem: fsLock is fair:true
16/09/18 03:42:44 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000
16/09/18 03:42:44 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true
16/09/18 03:42:44 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000
16/09/18 03:42:44 INFO blockmanagement.BlockManager: The block deletion will start around 2016 Sep 18 03:42:44
16/09/18 03:42:44 INFO util.GSet: Computing capacity for map BlocksMap
16/09/18 03:42:44 INFO util.GSet: VM type       = 64-bit
16/09/18 03:42:44 INFO util.GSet: 2.0% max memory 889 MB = 17.8 MB
16/09/18 03:42:44 INFO util.GSet: capacity      = 2^21 = 2097152 entries
16/09/18 03:42:44 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false
16/09/18 03:42:44 INFO blockmanagement.BlockManager: defaultReplication         = 3
16/09/18 03:42:44 INFO blockmanagement.BlockManager: maxReplication             = 512
16/09/18 03:42:44 INFO blockmanagement.BlockManager: minReplication             = 1
16/09/18 03:42:44 INFO blockmanagement.BlockManager: maxReplicationStreams      = 2
16/09/18 03:42:44 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000
16/09/18 03:42:44 INFO blockmanagement.BlockManager: encryptDataTransfer        = false
16/09/18 03:42:44 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 1000
16/09/18 03:42:44 INFO namenode.FSNamesystem: fsOwner             = mare (auth:SIMPLE)
16/09/18 03:42:44 INFO namenode.FSNamesystem: supergroup          = supergroup
16/09/18 03:42:44 INFO namenode.FSNamesystem: isPermissionEnabled = false
16/09/18 03:42:44 INFO namenode.FSNamesystem: HA Enabled: false
16/09/18 03:42:44 INFO namenode.FSNamesystem: Append Enabled: true
16/09/18 03:42:44 INFO util.GSet: Computing capacity for map INodeMap
16/09/18 03:42:44 INFO util.GSet: VM type       = 64-bit
16/09/18 03:42:44 INFO util.GSet: 1.0% max memory 889 MB = 8.9 MB
16/09/18 03:42:44 INFO util.GSet: capacity      = 2^20 = 1048576 entries
16/09/18 03:42:44 INFO namenode.FSDirectory: ACLs enabled? false
16/09/18 03:42:44 INFO namenode.FSDirectory: XAttrs enabled? true
16/09/18 03:42:44 INFO namenode.FSDirectory: Maximum size of an xattr: 16384
16/09/18 03:42:44 INFO namenode.NameNode: Caching file names occuring more than 10 times
16/09/18 03:42:44 INFO util.GSet: Computing capacity for map cachedBlocks
16/09/18 03:42:44 INFO util.GSet: VM type       = 64-bit
16/09/18 03:42:44 INFO util.GSet: 0.25% max memory 889 MB = 2.2 MB
16/09/18 03:42:44 INFO util.GSet: capacity      = 2^18 = 262144 entries
16/09/18 03:42:44 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033
16/09/18 03:42:44 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0
16/09/18 03:42:44 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 30000
16/09/18 03:42:44 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.window.num.buckets = 10
16/09/18 03:42:44 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.num.users = 10
16/09/18 03:42:44 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25
16/09/18 03:42:44 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
16/09/18 03:42:44 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis
16/09/18 03:42:44 INFO util.GSet: Computing capacity for map NameNodeRetryCache
16/09/18 03:42:44 INFO util.GSet: VM type       = 64-bit
16/09/18 03:42:44 INFO util.GSet: 0.029999999329447746% max memory 889 MB = 273.1 KB
16/09/18 03:42:44 INFO util.GSet: capacity      = 2^15 = 32768 entries
16/09/18 03:42:49 INFO namenode.FSImage: Allocated new BlockPoolId: BP-1692499917-127.0.1.1-1474137769500
16/09/18 03:42:49 INFO common.Storage: Storage directory /data/hadoop/dfs/name has been successfully formatted.
16/09/18 03:42:49 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 0
16/09/18 03:42:49 INFO util.ExitUtil: Exiting with status 0
16/09/18 03:42:49 INFO namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at mare11/127.0.1.1
************************************************************/

동작확인

  • NameNode
$ jps
5038 DataNode
2917 ResourceManager
5530 NodeManager
5636 Jps
4848 NameNode
  • Second name node
$ jps
2854 SecondaryNameNode
3172 NodeManager
2710 DataNode
3278 Jps
  • data Node
$ jps
2458 DataNode
2702 NodeManager
2887 Jps