问题描述：
1.文件无法写入hadoop hdfs文件系统；
2.hadoop namenode日志记录
the directory item limit is exceed: limit=1048576
3.hadoop单个目录下文件超1048576个，默认limit限制数为1048576，所以要调大limit限制数
解决办法：
hdfs-site.xml配置文件添加配置参数将配置文件推送至hadoop集群所有节点 重启hadoop服务 dfs.namenode.fs-limits.max-directory-items 3200000 Defines the maximum number of items that a directory may contain. Cannot set the property to a value less than 1 or more than 6400000.
延伸问题：
2017-11-17 13:03:31,795 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1 2017-11-17 13:03:31,797 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down NameNode at name-01/10.0.0.101 ************************************************************/ 2017-11-17 13:09:45,016 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNode STARTUP_MSG: host = name-01/10.0.0.101 STARTUP_MSG: args = [] STARTUP_MSG: version = 2.6.0-cdh5.7.4 STARTUP_MSG: classpath = /etc/hadoop/conf:/usr/lib/hadoop/lib/commons-io-2.4.jar:/usr/lib/hadoop/lib/jettison-1.1.jar:/usr/lib/hadoop/lib/stax-api-1.0-2.jar:/usr/lib/hadoop/lib/zookeeper.jar:/usr/lib/hadoop/lib/avro.jar:/usr/lib/hadoop/lib/jsch-0.1.42.jar:/usr/lib/hadoop/lib/java-xmlbuilder-0.4.jar:/usr/lib/hadoop/lib/curator-client-2.7.1.jar:/usr/lib/hadoop/lib/jasper-runtime-5.5.23.jar:/usr/lib/hadoop/lib/servlet-api-2.5.jar:/usr/lib/hadoop/lib/hamcrest-core-1.3.jar:/usr/lib/hadoop/lib/commons-net-3.1.jar:/usr/lib/hadoop/lib/jets3t-0.9.0.jar:/usr/lib/hadoop/lib/httpcore-4.2.5.jar:/usr/lib/hadoop/lib/jersey-server-1.9.jar:/usr/lib/hadoop/lib/activation-1.1.jar:/usr/lib/hadoop/lib/slf4j-api-1.7.5.jar:/usr/lib/hadoop/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/usr/lib/hadoop/lib/xmlenc-0.52.jar:/usr/lib/hadoop/lib/commons-beanutils-core-1.8.0.jar:/usr/lib/hadoop/lib/commons-codec-1.4.jar:/usr/lib/hadoop/lib/jaxb-api-2.2.2.jar:/usr/lib/hadoop/lib/curator-recipes-2.7.1.jar:/usr/lib/hadoop/lib/jsp-api-2.1.jar:/usr/lib/hadoop/lib/aws-java-sdk-s3-1.10.6.jar:/usr/lib/hadoop/lib/apacheds-i18n-2.0.0-M15.jar:/usr/lib/hadoop/lib/jaxb-impl-2.2.3-1.jar:/usr/lib/hadoop/lib/log4j-1.2.17.jar:/usr/lib/hadoop/lib/commons-logging-1.1.3.jar:/usr/lib/hadoop/lib/jetty-util-6.1.26.cloudera.4.jar:/usr/lib/hadoop/lib/jackson-xc-1.8.8.jar:/usr/lib/hadoop/lib/commons-math3-3.1.1.jar:/usr/lib/hadoop/lib/jackson-jaxrs-1.8.8.jar:/usr/lib/hadoop/lib/jetty-6.1.26.cloudera.4.jar:/usr/lib/hadoop/lib/htrace-core4-4.0.1-incubating.jar:/usr/lib/hadoop/lib/junit-4.11.jar:/usr/lib/hadoop/lib/logredactor-1.0.3.jar:/usr/lib/hadoop/lib/api-util-1.0.0-M20.jar:/usr/lib/hadoop/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop/lib/jersey-json-1.9.jar:/usr/lib/hadoop/lib/api-asn1-api-1.0.0-M20.jar:/usr/lib/hadoop/lib/commons-cli-1.2.jar:/usr/lib/hadoop/lib/aws-java-sdk-core-1.10.6.jar:/usr/lib/hadoop/lib/commons-configuration-1.6.jar:/usr/lib/hadoop/lib/mockito-all-1.8.5.jar:/usr/lib/hadoop/lib/xz-1.0.jar:/usr/lib/hadoop/lib/aws-java-sdk-kms-1.10.6.jar:/usr/lib/hadoop/lib/snappy-java-1.0.4.1.jar:/usr/lib/hadoop/lib/guava-11.0.2.jar:/usr/lib/hadoop/lib/commons-collections-3.2.2.jar:/usr/lib/hadoop/lib/jasper-compiler-5.5.23.jar:/usr/lib/hadoop/lib/jersey-core-1.9.jar:/usr/lib/hadoop/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop/lib/asm-3.2.jar:/usr/lib/hadoop/lib/protobuf-java-2.5.0.jar:/usr/lib/hadoop/lib/curator-framework-2.7.1.jar:/usr/lib/hadoop/lib/commons-el-1.0.jar:/usr/lib/hadoop/lib/httpclient-4.2.5.jar:/usr/lib/hadoop/lib/gson-2.2.4.jar:/usr/lib/hadoop/lib/commons-compress-1.4.1.jar:/usr/lib/hadoop/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop/lib/slf4j-log4j12.jar:/usr/lib/hadoop/lib/commons-digester-1.8.jar:/usr/lib/hadoop/lib/commons-lang-2.6.jar:/usr/lib/hadoop/lib/netty-3.6.2.Final.jar:/usr/lib/hadoop/lib/paranamer-2.3.jar:/usr/lib/hadoop/lib/jsr305-3.0.0.jar:/usr/lib/hadoop/lib/commons-beanutils-1.7.0.jar:/usr/lib/hadoop/.//hadoop-common-2.6.0-cdh5.7.4-tests.jar:/usr/lib/hadoop/.//hadoop-annotations.jar:/usr/lib/hadoop/.//hadoop-annotations-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop/.//hadoop-nfs.jar:/usr/lib/hadoop/.//parquet-generator.jar:/usr/lib/hadoop/.//parquet-test-hadoop2.jar:/usr/lib/hadoop/.//hadoop-aws-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop/.//parquet-column.jar:/usr/lib/hadoop/.//parquet-pig-bundle.jar:/usr/lib/hadoop/.//parquet-scrooge_2.10.jar:/usr/lib/hadoop/.//hadoop-auth-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop/.//hadoop-nfs-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop/.//hadoop-common-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop/.//parquet-encoding.jar:/usr/lib/hadoop/.//hadoop-aws.jar:/usr/lib/hadoop/.//parquet-format-sources.jar:/usr/lib/hadoop/.//parquet-tools.jar:/usr/lib/hadoop/.//parquet-format-javadoc.jar:/usr/lib/hadoop/.//parquet-hadoop.jar:/usr/lib/hadoop/.//parquet-jackson.jar:/usr/lib/hadoop/.//parquet-common.jar:/usr/lib/hadoop/.//parquet-avro.jar:/usr/lib/hadoop/.//parquet-thrift.jar:/usr/lib/hadoop/.//parquet-format.jar:/usr/lib/hadoop/.//parquet-cascading.jar:/usr/lib/hadoop/.//parquet-scala_2.10.jar:/usr/lib/hadoop/.//hadoop-common.jar:/usr/lib/hadoop/.//parquet-pig.jar:/usr/lib/hadoop/.//hadoop-auth.jar:/usr/lib/hadoop/.//hadoop-common-tests.jar:/usr/lib/hadoop/.//parquet-protobuf.jar:/usr/lib/hadoop/.//parquet-hadoop-bundle.jar:/usr/lib/hadoop-hdfs/./:/usr/lib/hadoop-hdfs/lib/commons-io-2.4.jar:/usr/lib/hadoop-hdfs/lib/jasper-runtime-5.5.23.jar:/usr/lib/hadoop-hdfs/lib/servlet-api-2.5.jar:/usr/lib/hadoop-hdfs/lib/jersey-server-1.9.jar:/usr/lib/hadoop-hdfs/lib/xercesImpl-2.9.1.jar:/usr/lib/hadoop-hdfs/lib/xmlenc-0.52.jar:/usr/lib/hadoop-hdfs/lib/commons-codec-1.4.jar:/usr/lib/hadoop-hdfs/lib/jsp-api-2.1.jar:/usr/lib/hadoop-hdfs/lib/log4j-1.2.17.jar:/usr/lib/hadoop-hdfs/lib/commons-logging-1.1.3.jar:/usr/lib/hadoop-hdfs/lib/jetty-util-6.1.26.cloudera.4.jar:/usr/lib/hadoop-hdfs/lib/commons-daemon-1.0.13.jar:/usr/lib/hadoop-hdfs/lib/jetty-6.1.26.cloudera.4.jar:/usr/lib/hadoop-hdfs/lib/htrace-core4-4.0.1-incubating.jar:/usr/lib/hadoop-hdfs/lib/xml-apis-1.3.04.jar:/usr/lib/hadoop-hdfs/lib/commons-cli-1.2.jar:/usr/lib/hadoop-hdfs/lib/guava-11.0.2.jar:/usr/lib/hadoop-hdfs/lib/jersey-core-1.9.jar:/usr/lib/hadoop-hdfs/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-hdfs/lib/asm-3.2.jar:/usr/lib/hadoop-hdfs/lib/leveldbjni-all-1.8.jar:/usr/lib/hadoop-hdfs/lib/protobuf-java-2.5.0.jar:/usr/lib/hadoop-hdfs/lib/commons-el-1.0.jar:/usr/lib/hadoop-hdfs/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-hdfs/lib/commons-lang-2.6.jar:/usr/lib/hadoop-hdfs/lib/netty-3.6.2.Final.jar:/usr/lib/hadoop-hdfs/lib/jsr305-3.0.0.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-nfs.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-tests.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-nfs-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-2.6.0-cdh5.7.4-tests.jar:/usr/lib/hadoop-yarn/lib/commons-io-2.4.jar:/usr/lib/hadoop-yarn/lib/guice-servlet-3.0.jar:/usr/lib/hadoop-yarn/lib/jettison-1.1.jar:/usr/lib/hadoop-yarn/lib/stax-api-1.0-2.jar:/usr/lib/hadoop-yarn/lib/zookeeper.jar:/usr/lib/hadoop-yarn/lib/jline-2.11.jar:/usr/lib/hadoop-yarn/lib/javax.inject-1.jar:/usr/lib/hadoop-yarn/lib/servlet-api-2.5.jar:/usr/lib/hadoop-yarn/lib/aopalliance-1.0.jar:/usr/lib/hadoop-yarn/lib/jersey-server-1.9.jar:/usr/lib/hadoop-yarn/lib/activation-1.1.jar:/usr/lib/hadoop-yarn/lib/guice-3.0.jar:/usr/lib/hadoop-yarn/lib/commons-codec-1.4.jar:/usr/lib/hadoop-yarn/lib/jaxb-api-2.2.2.jar:/usr/lib/hadoop-yarn/lib/jaxb-impl-2.2.3-1.jar:/usr/lib/hadoop-yarn/lib/log4j-1.2.17.jar:/usr/lib/hadoop-yarn/lib/commons-logging-1.1.3.jar:/usr/lib/hadoop-yarn/lib/jetty-util-6.1.26.cloudera.4.jar:/usr/lib/hadoop-yarn/lib/jackson-xc-1.8.8.jar:/usr/lib/hadoop-yarn/lib/jackson-jaxrs-1.8.8.jar:/usr/lib/hadoop-yarn/lib/jetty-6.1.26.cloudera.4.jar:/usr/lib/hadoop-yarn/lib/jersey-guice-1.9.jar:/usr/lib/hadoop-yarn/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop-yarn/lib/jersey-json-1.9.jar:/usr/lib/hadoop-yarn/lib/commons-cli-1.2.jar:/usr/lib/hadoop-yarn/lib/xz-1.0.jar:/usr/lib/hadoop-yarn/lib/guava-11.0.2.jar:/usr/lib/hadoop-yarn/lib/commons-collections-3.2.2.jar:/usr/lib/hadoop-yarn/lib/jersey-core-1.9.jar:/usr/lib/hadoop-yarn/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-yarn/lib/asm-3.2.jar:/usr/lib/hadoop-yarn/lib/leveldbjni-all-1.8.jar:/usr/lib/hadoop-yarn/lib/protobuf-java-2.5.0.jar:/usr/lib/hadoop-yarn/lib/commons-compress-1.4.1.jar:/usr/lib/hadoop-yarn/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-yarn/lib/commons-lang-2.6.jar:/usr/lib/hadoop-yarn/lib/jersey-client-1.9.jar:/usr/lib/hadoop-yarn/lib/jsr305-3.0.0.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-common-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-registry.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-resourcemanager.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-nodemanager.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-client.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-client-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-tests.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-common.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-nodemanager-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-web-proxy-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-applicationhistoryservice.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-common-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-resourcemanager-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-unmanaged-am-launcher.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-distributedshell.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-distributedshell-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-api.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-tests-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-registry-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-common.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-api-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-applicationhistoryservice-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-web-proxy.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-unmanaged-am-launcher-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/lib/commons-io-2.4.jar:/usr/lib/hadoop-mapreduce/lib/guice-servlet-3.0.jar:/usr/lib/hadoop-mapreduce/lib/avro.jar:/usr/lib/hadoop-mapreduce/lib/javax.inject-1.jar:/usr/lib/hadoop-mapreduce/lib/hamcrest-core-1.3.jar:/usr/lib/hadoop-mapreduce/lib/aopalliance-1.0.jar:/usr/lib/hadoop-mapreduce/lib/jersey-server-1.9.jar:/usr/lib/hadoop-mapreduce/lib/guice-3.0.jar:/usr/lib/hadoop-mapreduce/lib/log4j-1.2.17.jar:/usr/lib/hadoop-mapreduce/lib/junit-4.11.jar:/usr/lib/hadoop-mapreduce/lib/jersey-guice-1.9.jar:/usr/lib/hadoop-mapreduce/lib/xz-1.0.jar:/usr/lib/hadoop-mapreduce/lib/snappy-java-1.0.4.1.jar:/usr/lib/hadoop-mapreduce/lib/jersey-core-1.9.jar:/usr/lib/hadoop-mapreduce/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-mapreduce/lib/asm-3.2.jar:/usr/lib/hadoop-mapreduce/lib/leveldbjni-all-1.8.jar:/usr/lib/hadoop-mapreduce/lib/protobuf-java-2.5.0.jar:/usr/lib/hadoop-mapreduce/lib/commons-compress-1.4.1.jar:/usr/lib/hadoop-mapreduce/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-mapreduce/lib/netty-3.6.2.Final.jar:/usr/lib/hadoop-mapreduce/lib/paranamer-2.3.jar:/usr/lib/hadoop-mapreduce/.//commons-io-2.4.jar:/usr/lib/hadoop-mapreduce/.//jettison-1.1.jar:/usr/lib/hadoop-mapreduce/.//stax-api-1.0-2.jar:/usr/lib/hadoop-mapreduce/.//microsoft-windowsazure-storage-sdk-0.6.0.jar:/usr/lib/hadoop-mapreduce/.//hadoop-rumen-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//zookeeper.jar:/usr/lib/hadoop-mapreduce/.//hadoop-extras-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-hs-plugins.jar:/usr/lib/hadoop-mapreduce/.//avro.jar:/usr/lib/hadoop-mapreduce/.//jsch-0.1.42.jar:/usr/lib/hadoop-mapreduce/.//metrics-core-3.0.2.jar:/usr/lib/hadoop-mapreduce/.//java-xmlbuilder-0.4.jar:/usr/lib/hadoop-mapreduce/.//curator-client-2.7.1.jar:/usr/lib/hadoop-mapreduce/.//jasper-runtime-5.5.23.jar:/usr/lib/hadoop-mapreduce/.//servlet-api-2.5.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-nativetask-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hamcrest-core-1.3.jar:/usr/lib/hadoop-mapreduce/.//hadoop-datajoin.jar:/usr/lib/hadoop-mapreduce/.//commons-net-3.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-openstack.jar:/usr/lib/hadoop-mapreduce/.//jets3t-0.9.0.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-core-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//jackson-databind-2.2.3.jar:/usr/lib/hadoop-mapreduce/.//httpcore-4.2.5.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-jobclient.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-jobclient-2.6.0-cdh5.7.4-tests.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-hs-plugins-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//jersey-server-1.9.jar:/usr/lib/hadoop-mapreduce/.//hadoop-gridmix.jar:/usr/lib/hadoop-mapreduce/.//activation-1.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-common.jar:/usr/lib/hadoop-mapreduce/.//hadoop-sls.jar:/usr/lib/hadoop-mapreduce/.//apacheds-kerberos-codec-2.0.0-M15.jar:/usr/lib/hadoop-mapreduce/.//xmlenc-0.52.jar:/usr/lib/hadoop-mapreduce/.//commons-beanutils-core-1.8.0.jar:/usr/lib/hadoop-mapreduce/.//commons-codec-1.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-datajoin-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//jaxb-api-2.2.2.jar:/usr/lib/hadoop-mapreduce/.//curator-recipes-2.7.1.jar:/usr/lib/hadoop-mapreduce/.//jsp-api-2.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-openstack-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-common-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//apacheds-i18n-2.0.0-M15.jar:/usr/lib/hadoop-mapreduce/.//hadoop-auth-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//jaxb-impl-2.2.3-1.jar:/usr/lib/hadoop-mapreduce/.//log4j-1.2.17.jar:/usr/lib/hadoop-mapreduce/.//commons-logging-1.1.3.jar:/usr/lib/hadoop-mapreduce/.//hadoop-archive-logs-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//jetty-util-6.1.26.cloudera.4.jar:/usr/lib/hadoop-mapreduce/.//jackson-xc-1.8.8.jar:/usr/lib/hadoop-mapreduce/.//commons-math3-3.1.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-nativetask.jar:/usr/lib/hadoop-mapreduce/.//hadoop-archives-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-streaming-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-app.jar:/usr/lib/hadoop-mapreduce/.//hadoop-azure.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-examples-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-shuffle-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-hs.jar:/usr/lib/hadoop-mapreduce/.//jackson-jaxrs-1.8.8.jar:/usr/lib/hadoop-mapreduce/.//jetty-6.1.26.cloudera.4.jar:/usr/lib/hadoop-mapreduce/.//htrace-core4-4.0.1-incubating.jar:/usr/lib/hadoop-mapreduce/.//junit-4.11.jar:/usr/lib/hadoop-mapreduce/.//api-util-1.0.0-M20.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-jobclient-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-sls-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//commons-httpclient-3.1.jar:/usr/lib/hadoop-mapreduce/.//jersey-json-1.9.jar:/usr/lib/hadoop-mapreduce/.//api-asn1-api-1.0.0-M20.jar:/usr/lib/hadoop-mapreduce/.//commons-cli-1.2.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-jobclient-tests.jar:/usr/lib/hadoop-mapreduce/.//commons-configuration-1.6.jar:/usr/lib/hadoop-mapreduce/.//mockito-all-1.8.5.jar:/usr/lib/hadoop-mapreduce/.//xz-1.0.jar:/usr/lib/hadoop-mapreduce/.//hadoop-azure-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-app-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//snappy-java-1.0.4.1.jar:/usr/lib/hadoop-mapreduce/.//guava-11.0.2.jar:/usr/lib/hadoop-mapreduce/.//hadoop-archives.jar:/usr/lib/hadoop-mapreduce/.//hadoop-rumen.jar:/usr/lib/hadoop-mapreduce/.//commons-collections-3.2.2.jar:/usr/lib/hadoop-mapreduce/.//jasper-compiler-5.5.23.jar:/usr/lib/hadoop-mapreduce/.//jersey-core-1.9.jar:/usr/lib/hadoop-mapreduce/.//jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-mapreduce/.//asm-3.2.jar:/usr/lib/hadoop-mapreduce/.//hadoop-ant.jar:/usr/lib/hadoop-mapreduce/.//jackson-core-2.2.3.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-shuffle.jar:/usr/lib/hadoop-mapreduce/.//hadoop-distcp.jar:/usr/lib/hadoop-mapreduce/.//hadoop-extras.jar:/usr/lib/hadoop-mapreduce/.//protobuf-java-2.5.0.jar:/usr/lib/hadoop-mapreduce/.//curator-framework-2.7.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-hs-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-examples.jar:/usr/lib/hadoop-mapreduce/.//hadoop-ant-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//commons-el-1.0.jar:/usr/lib/hadoop-mapreduce/.//httpclient-4.2.5.jar:/usr/lib/hadoop-mapreduce/.//gson-2.2.4.jar:/usr/lib/hadoop-mapreduce/.//jackson-annotations-2.2.3.jar:/usr/lib/hadoop-mapreduce/.//commons-compress-1.4.1.jar:/usr/lib/hadoop-mapreduce/.//hadoop-auth.jar:/usr/lib/hadoop-mapreduce/.//jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-mapreduce/.//hadoop-distcp-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-gridmix-2.6.0-cdh5.7.4.jar:/usr/lib/hadoop-mapreduce/.//hadoop-archive-logs.jar:/usr/lib/hadoop-mapreduce/.//commons-digester-1.8.jar:/usr/lib/hadoop-mapreduce/.//commons-lang-2.6.jar:/usr/lib/hadoop-mapreduce/.//paranamer-2.3.jar:/usr/lib/hadoop-mapreduce/.//hadoop-streaming.jar:/usr/lib/hadoop-mapreduce/.//jsr305-3.0.0.jar:/usr/lib/hadoop-mapreduce/.//hadoop-mapreduce-client-core.jar:/usr/lib/hadoop-mapreduce/.//commons-beanutils-1.7.0.jar STARTUP_MSG: build = http://github.com/cloudera/hadoop -r 2390c11b3cb7a741189f62797de0d9862f48e211; compiled by 'jenkins' on 2016-09-20T23:02Z STARTUP_MSG: java = 1.7.0_75 ************************************************************/ 2017-11-17 13:09:45,026 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT] 2017-11-17 13:09:45,030 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: createNameNode [] 2017-11-17 13:09:45,506 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties 2017-11-17 13:09:45,624 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s). 2017-11-17 13:09:45,624 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system started 2017-11-17 13:09:45,653 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: fs.defaultFS is hdfs://bmh 2017-11-17 13:09:45,654 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Clients are to use bmh to access this namenode/service. 2017-11-17 13:09:46,001 INFO org.apache.hadoop.util.JvmPauseMonitor: Starting JVM pause monitor 2017-11-17 13:09:46,016 INFO org.apache.hadoop.hdfs.DFSUtil: Starting Web-server for hdfs at: http://name-01:50070 2017-11-17 13:09:46,071 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog 2017-11-17 13:09:46,080 INFO org.apache.hadoop.security.authentication.server.AuthenticationFilter: Unable to initialize FileSignerSecretProvider, falling back to use random secrets. 2017-11-17 13:09:46,087 INFO org.apache.hadoop.http.HttpRequestLog: Http request log for http.requests.namenode is not defined 2017-11-17 13:09:46,100 INFO org.apache.hadoop.http.HttpServer2: Added global filter 'safety' (class=org.apache.hadoop.http.HttpServer2$QuotingInputFilter) 2017-11-17 13:09:46,106 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context hdfs 2017-11-17 13:09:46,106 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context static 2017-11-17 13:09:46,106 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context logs 2017-11-17 13:09:46,142 INFO org.apache.hadoop.http.HttpServer2: Added filter 'org.apache.hadoop.hdfs.web.AuthFilter' (class=org.apache.hadoop.hdfs.web.AuthFilter) 2017-11-17 13:09:46,144 INFO org.apache.hadoop.http.HttpServer2: addJerseyResourcePackage: packageName=org.apache.hadoop.hdfs.server.namenode.web.resources;org.apache.hadoop.hdfs.web.resources, pathSpec=/webhdfs/v1/* 2017-11-17 13:09:46,162 INFO org.apache.hadoop.http.HttpServer2: Jetty bound to port 50070 2017-11-17 13:09:46,162 INFO org.mortbay.log: jetty-6.1.26.cloudera.4 2017-11-17 13:09:46,468 INFO org.mortbay.log: Started HttpServer2$SelectChannelConnectorWithSafeStartup@name-01:50070 2017-11-17 13:09:46,508 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Only one p_w_picpath storage directory (dfs.namenode.name.dir) configured. Beware of data loss due to lack of redundant storage directories! 2017-11-17 13:09:46,558 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: No KeyProvider found. 2017-11-17 13:09:46,566 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: fsLock is fair:true 2017-11-17 13:09:46,621 INFO org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000 2017-11-17 13:09:46,622 INFO org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true 2017-11-17 13:09:46,624 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000 2017-11-17 13:09:46,626 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: The block deletion will start around 2017 Nov 17 13:09:46 2017-11-17 13:09:46,628 INFO org.apache.hadoop.util.GSet: Computing capacity for map BlocksMap 2017-11-17 13:09:46,628 INFO org.apache.hadoop.util.GSet: VM type = 64-bit 2017-11-17 13:09:46,630 INFO org.apache.hadoop.util.GSet: 2.0% max memory 958.5 MB = 19.2 MB 2017-11-17 13:09:46,630 INFO org.apache.hadoop.util.GSet: capacity = 2^21 = 2097152 entries 2017-11-17 13:09:46,641 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: dfs.block.access.token.enable=true 2017-11-17 13:09:46,641 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: dfs.block.access.key.update.interval=600 min(s), dfs.block.access.token.lifetime=600 min(s), dfs.encrypt.data.transfer.algorithm=null 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: defaultReplication = 2 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: maxReplication = 512 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: minReplication = 1 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: maxReplicationStreams = 2 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: replicationRecheckInterval = 3000 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: encryptDataTransfer = false 2017-11-17 13:09:46,797 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: maxNumBlocksToLog = 1000 2017-11-17 13:09:46,803 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: fsOwner = hdfs (auth:SIMPLE) 2017-11-17 13:09:46,803 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup = supergroup 2017-11-17 13:09:46,803 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: isPermissionEnabled = true 2017-11-17 13:09:46,803 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Determined nameservice ID: bmh 2017-11-17 13:09:46,803 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: HA Enabled: true 2017-11-17 13:09:46,805 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Append Enabled: true 2017-11-17 13:09:46,852 INFO org.apache.hadoop.util.GSet: Computing capacity for map INodeMap 2017-11-17 13:09:46,852 INFO org.apache.hadoop.util.GSet: VM type = 64-bit 2017-11-17 13:09:46,852 INFO org.apache.hadoop.util.GSet: 1.0% max memory 958.5 MB = 9.6 MB 2017-11-17 13:09:46,852 INFO org.apache.hadoop.util.GSet: capacity = 2^20 = 1048576 entries 2017-11-17 13:09:46,854 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Caching file names occuring more than 10 times 2017-11-17 13:09:46,865 INFO org.apache.hadoop.util.GSet: Computing capacity for map cachedBlocks 2017-11-17 13:09:46,865 INFO org.apache.hadoop.util.GSet: VM type = 64-bit 2017-11-17 13:09:46,865 INFO org.apache.hadoop.util.GSet: 0.25% max memory 958.5 MB = 2.4 MB 2017-11-17 13:09:46,865 INFO org.apache.hadoop.util.GSet: capacity = 2^18 = 262144 entries 2017-11-17 13:09:46,867 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033 2017-11-17 13:09:46,867 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0 2017-11-17 13:09:46,867 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: dfs.namenode.safemode.extension = 30000 2017-11-17 13:09:46,871 INFO org.apache.hadoop.hdfs.server.namenode.top.metrics.TopMetrics: NNTop conf: dfs.namenode.top.window.num.buckets = 10 2017-11-17 13:09:46,871 INFO org.apache.hadoop.hdfs.server.namenode.top.metrics.TopMetrics: NNTop conf: dfs.namenode.top.num.users = 10 2017-11-17 13:09:46,871 INFO org.apache.hadoop.hdfs.server.namenode.top.metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25 2017-11-17 13:09:46,872 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Retry cache on namenode is enabled 2017-11-17 13:09:46,873 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis 2017-11-17 13:09:46,875 INFO org.apache.hadoop.util.GSet: Computing capacity for map NameNodeRetryCache 2017-11-17 13:09:46,875 INFO org.apache.hadoop.util.GSet: VM type = 64-bit 2017-11-17 13:09:46,876 INFO org.apache.hadoop.util.GSet: 0.029999999329447746% max memory 958.5 MB = 294.5 KB 2017-11-17 13:09:46,876 INFO org.apache.hadoop.util.GSet: capacity = 2^15 = 32768 entries 2017-11-17 13:09:46,879 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: ACLs enabled? false 2017-11-17 13:09:46,879 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: XAttrs enabled? true 2017-11-17 13:09:46,879 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Maximum size of an xattr: 16384 2017-11-17 13:09:46,887 INFO org.apache.hadoop.hdfs.server.common.Storage: Lock on /hdname/in_use.lock acquired by nodename 53363@name-01 2017-11-17 13:09:47,773 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Planning to load p_w_picpath: FSImageFile(file=/hdname/current/fsp_w_picpath_0000000000025720921, cpktTxId=0000000000025720921) 2017-11-17 13:09:49,818 INFO org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode: Loading 3109720 INodes. 2017-11-17 13:10:01,010 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2984ms GC pool 'PS MarkSweep' had collection(s): count=1 time=3433ms GC pool 'PS Scavenge' had collection(s): count=1 time=40ms 2017-11-17 13:10:04,191 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2679ms GC pool 'PS MarkSweep' had collection(s): count=1 time=3064ms 2017-11-17 13:10:07,361 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2669ms GC pool 'PS MarkSweep' had collection(s): count=1 time=3044ms 2017-11-17 13:10:09,395 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1534ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1904ms 2017-11-17 13:10:11,453 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1557ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1934ms 2017-11-17 13:10:13,630 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1676ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2060ms 2017-11-17 13:10:15,817 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1686ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2085ms 2017-11-17 13:10:18,025 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1707ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2112ms 2017-11-17 13:10:20,272 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1746ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2156ms 2017-11-17 13:10:22,439 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1666ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2081ms 2017-11-17 13:10:24,630 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1691ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2102ms 2017-11-17 13:10:26,830 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1699ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2115ms 2017-11-17 13:10:29,056 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1725ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2146ms 2017-11-17 13:10:31,385 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1828ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2252ms 2017-11-17 13:10:35,134 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2748ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2830ms 2017-11-17 13:10:37,381 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1246ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1625ms 2017-11-17 13:10:40,385 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2503ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2599ms 2017-11-17 13:10:43,274 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2388ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2389ms 2017-11-17 13:10:46,499 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2224ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2574ms 2017-11-17 13:10:50,074 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2574ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2992ms 2017-11-17 13:10:54,803 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 4228ms GC pool 'PS MarkSweep' had collection(s): count=1 time=4334ms 2017-11-17 13:10:59,246 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 3942ms GC pool 'PS MarkSweep' had collection(s): count=1 time=4160ms 2017-11-17 13:11:03,330 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 3583ms GC pool 'PS MarkSweep' had collection(s): count=1 time=3908ms 2017-11-17 13:11:06,025 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2194ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2598ms 2017-11-17 13:11:08,504 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1978ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2412ms 2017-11-17 13:11:10,137 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1132ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1583ms 2017-11-17 13:11:11,784 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1147ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1606ms 2017-11-17 13:11:13,642 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1357ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1828ms 2017-11-17 13:11:15,375 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1233ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1714ms 2017-11-17 13:11:18,098 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2222ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2708ms 2017-11-17 13:11:19,720 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1121ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1612ms 2017-11-17 13:11:21,282 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1061ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1556ms 2017-11-17 13:11:22,907 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1125ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1621ms 2017-11-17 13:11:24,460 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1052ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1550ms 2017-11-17 13:11:26,013 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1052ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1550ms 2017-11-17 13:11:27,557 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1043ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1542ms 2017-11-17 13:11:29,185 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1127ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1627ms 2017-11-17 13:11:30,955 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1269ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1769ms 2017-11-17 13:11:32,573 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1117ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1617ms 2017-11-17 13:11:35,833 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1077ms GC pool 'PS MarkSweep' had collection(s): count=1 time=1578ms 2017-11-17 13:12:08,946 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1252ms GC pool 'PS MarkSweep' had collection(s): count=16 time=26562ms 2017-11-17 13:12:11,521 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2074ms GC pool 'PS MarkSweep' had collection(s): count=6 time=10800ms 2017-11-17 13:12:14,285 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 2264ms GC pool 'PS MarkSweep' had collection(s): count=1 time=2763ms 2017-11-17 13:12:14,338 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode. java.lang.OutOfMemoryError: GC overhead limit exceeded at org.apache.hadoop.hdfs.server.namenode.INodeMap.get(INodeMap.java:92) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getInode(FSDirectory.java:2357) at org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode$Loader.loadINodeDirectorySection(FSImageFormatPBINode.java:207) at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.loadInternal(FSImageFormatProtobuf.java:262) at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.load(FSImageFormatProtobuf.java:181) at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:226) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:946) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:930) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:749) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:680) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:292) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1096) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:778) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:609) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:670) at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:838) at org.apache.hadoop.hdfs.server.namenode.NameNode. (NameNode.java:817) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1538) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1606) 2017-11-17 13:12:14,343 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1 2017-11-17 13:12:14,344 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down NameNode at name-01/10.0.0.101 ************************************************************/
hadoop hdfs jvm内存溢出，无法成功启动
默认启动-Xmx1000m
解决办法：
由于cdh yum安装默认无hadoop-env.sh文件，添加hadoop-env.sh文件，并增加环境参数
export HADOOP_HEAPSIZE=32000
问题解决！