-libjars <comma separated list of jars> specify comma separated jar files to include in the classpath. -archives <comma separated list of archives> specify comma separated archives to be unarchived on the compute machines. The general command line syntax is bin/hadoop command [genericOptions] [c...
hdfs client分析:hdfs dfs -get 上接前两篇,再来分析下下载文件的过程hdfs dfs -get 或 hdfs dfs -copyToLocal 先找到命令get和copyToLocal对应的类 publicstaticvoidregisterCommands(CommandFactoryfactory){factory.registerCommands(AclCommands.class);factory.registerCommands(CopyCommands.class);factory.registerCom...
hdfs dfs -setrep -R 3 /xx 命令解释:将/xx下的所有文件,副本数改为3 -R代表递归 1. 2. 3. (9)显示文件的stat信息 hdfs dfs -stat format /xx文件 [format]可选参数有:%b(文件大小),%o(Block大小),%n(文件名),%r(副本个数),%y(最后一次修改日期和时间) 可以这样书写hadoop fs -stat %b%o%n...
@Override public String[] buildExecutionCommand(AppDeploymentRequest request, Map<String, String> appInstanceEnv, Optional<Integer> appInstanceNumber) { List<String> commands = addDockerOptions(request, appInstanceEnv, appInstanceNumber); commands.addAll(request.getCommandlineArguments()); logger.debug...
typeProperties.commandTimeout object 在尝试执行命令之前,等待时间(以秒为单位),然后再终止尝试并生成错误。 对于无穷大,设置为零。 类型:整数。 typeProperties.connectionString object ODBC 连接字符串。 类型:string、SecureString 或 AzureKeyVaultSecretReference。 typeProperties.credential CredentialRefer...
Hadoop源码分析:HDFS读取文件 oldIter.next().getBlock().equals(newIter.next().getBlock())) { throw new IOException("Blocklist...} return -1; } final long len = readBlockLength(last); last.getBlock 1.6K60 Trc20 区块链 0a020f35220844fe35c41476ee6c4098cad0b8ae2f5a65080112610a2d74797065...
builder.command().add(1, debugInstruction); } } logger.info(String.format("Commandto be executed:%s", String.join("", builder.command())); logger.debug(String.format("EnvironmentVariablesto be used:%s", builder.environment() .entrySet() ....
Hadoop 0.hbase-env.sh export JAVA_HOME=/software/jdk1.7.0_80 1.core-site.xml <configuration> <property> <name>fs.defaultFS</name> <value>hdfs://master:9000</value> </property> <property> <name>hadoop.tmp. 汤高 2018/01/11 5510 第十章 :hbase集群搭建,测试 linuxubuntuhbaseTDSQL MySQ...
DataFlowDebugCommandResponse DataFlowDebugCommandType DataFlowDebugPackage DataFlowDebugPackageDebugSettings DataFlowDebugPreviewDataRequest DataFlowDebugQueryResponse DataFlowDebugResource DataFlowDebugResultResponse DataFlowDebugSession DataFlowDebugSessionAddDataFlowOptionalParams DataFlowDebugSessionAddDataFlowResponse DataFlow...
The formatting style for command output. json text table --query(string) A JMESPath query to use in filtering the response data. --profile(string) Use a specific profile from your credential file. --region(string) The region to use. Overrides config/env settings. ...