Hadoop集群启动与关闭

启动集群

点击查看代码

[root@master ~]# start-all.sh

Starting namenodes on [master]
Starting datanodes
Starting secondary namenodes [master]
Starting resourcemanager
Starting nodemanagers


！可以在master执行hive命令直接启动hive，无需在提供服务的clone1上首先启动服务

[root@master ~]# hive

which: no hbase in (/root/perl5/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/jdk1.8.0_401/bin:/root/hadoop-3.4.0/bin:/root/hadoop-3.4.0/sbin:/root/hadoop-3.4.0/libexec:/root/apache-hive-3.1.3-bin/bin:/root/bin)

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/root/apache-hive-3.1.3-bin/lib/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/hadoop-3.4.0/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Hive Session ID = 0a50dc28-c396-4a92-af5e-7d28f5994fed

Logging initialized using configuration in jar:file:/root/apache-hive-3.1.3-bin/lib/hive-common-3.1.3.jar!/hive-log4j2.properties Async: true
Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution engine (i.e. spark, tez) or using Hive 1.X releases.
Hive Session ID = 8ad70ef5-c8b5-4d47-a90d-ce4fc03831b6
hive> exit;
[root@master ~]# 

停止集群

点击查看代码

[root@master ~]# stop-all.sh

Stopping namenodes on [master]
Stopping datanodes
Stopping secondary namenodes [master]
Stopping nodemanagers
Stopping resourcemanager
[root@master ~]# hive
which: no hbase in (/root/perl5/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/jdk1.8.0_401/bin:/root/hadoop-3.4.0/bin:/root/hadoop-3.4.0/sbin:/root/hadoop-3.4.0/libexec:/root/apache-hive-3.1.3-bin/bin:/root/bin)
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/root/apache-hive-3.1.3-bin/lib/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/hadoop-3.4.0/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Hive Session ID = 808c1a17-4f74-4470-918b-687521f0985c

Logging initialized using configuration in jar:file:/root/apache-hive-3.1.3-bin/lib/hive-common-3.1.3.jar!/hive-log4j2.properties Async: true
Exception in thread "main" java.lang.RuntimeException: java.net.ConnectException: Call From master/192.168.10.10 to master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:651)
	at org.apache.hadoop.hive.ql.session.SessionState.beginStart(SessionState.java:591)
	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:747)
	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:683)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.util.RunJar.run(RunJar.java:330)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:245)
Caused by: java.net.ConnectException: Call From master/192.168.10.10 to master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:948)
	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:863)
	at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1588)
	at org.apache.hadoop.ipc.Client.call(Client.java:1529)
	at org.apache.hadoop.ipc.Client.call(Client.java:1426)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:258)
	at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:139)
	at com.sun.proxy.$Proxy28.getFileInfo(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.lambda$getFileInfo$41(ClientNamenodeProtocolTranslatorPB.java:820)
	at org.apache.hadoop.ipc.internal.ShadedProtobufHelper.ipc(ShadedProtobufHelper.java:160)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:820)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:437)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:170)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:162)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:100)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:366)
	at com.sun.proxy.$Proxy29.getFileInfo(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1770)
	at org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1828)
	at org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1825)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1840)
	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1860)
	at org.apache.hadoop.hive.ql.exec.Utilities.ensurePathIsWritable(Utilities.java:4486)
	at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:760)
	at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:701)
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:627)
	... 9 more
Caused by: java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:715)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:205)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:601)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:668)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:789)
	at org.apache.hadoop.ipc.Client$Connection.access$3800(Client.java:364)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1649)
	at org.apache.hadoop.ipc.Client.call(Client.java:1473)
	... 36 more
[root@master ~]# 

关闭集群

点击查看代码

[root@master ~]# stop-hbase.sh
stopping hbase............................................................
..
..................^C
[root@master ~]# hbase-daemon.sh stop master
running master, logging to /root/hbase-2.6.0/logs/hbase-root-master-master.out
stopping master....
[root@master ~]# stop-hbase.sh
no hbase master found
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/root/hadoop-3.4.0/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/hbase-2.6.0/lib/client-facing-thirdparty/log4j-slf4j-impl-2.17.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]
[root@master ~]# zkServer.sh stop
ZooKeeper JMX enabled by default
Using config: /root/apache-zookeeper-3.9.2-bin/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
[root@master ~]# stop-all.sh
Stopping namenodes on [master]
Stopping datanodes
Stopping secondary namenodes [master]
Stopping nodemanagers
Stopping resourcemanager
[root@master ~]#