hadoop

英文: Specify N in hadoop streaming when use NLineInputFormat 问题 You can specify the value of N for NL...

英文: In Hadoop HDFS, delete several files older than x days and with spaces in the name (Not like UNI...

英文: Role of command-runner.jar and script-runner.jar in aws emr 问题 在执行 EMR 集群中的 Spark 作业时，我们将步骤添加为 '...

英文: SQL COUNT DISTINCT with condition based on another column 问题 Here is the SQL query that should g...

英文: How to resolve harmless "java.nio.file.NoSuchFileException: xxx/hadoop-client-api-3.3.4.jar...

英文: Is there a way to spin up two hadroop HDFS clusters on the same machine? 问题 有没有办法在同一台机器上启动两个Hado...

英文: Apache Flume agent does not save the data in HDFS 问题 我正在尝试使用Apache Flume创建代理，但我对此还不太了解。代理需要从Netc...

英文: NullPointerException caused by static field in Mapper class 问题 我有一个包含自定义MyMapper类的HBase MapReduc...

英文: Is there any difference in performance when we connect to S3 via S3 API versus via Hadoop Filesy...

英文: Can I use Spark prebuilt without hadoop on Windows? 问题 我正在生产环境的Unix服务器上使用不带Hadoop的预构建Spark 3.1.3...