Recent questions tagged hdfs

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hdfs - How does Hadoop Namenode failover process works?

Hadoop defintive guide says - Each Namenode runs a lightweight failover controller process whose job it is to monitor ... To whom it notify for the transition? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hdfs - hadoop + Blocks with corrupt replicas

we have HDP cluster version 2.6.4 with ambari platform from ambari dashboard we can see Blocks with ... //stackoverflow.com/questions/65868895/hadoop-blocks-with-corrupt-replicas...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hdfs - when i upload a big file to hadoop, how to verify the integrity of the file?

I want to upload a big file to hadoop environment with command hadoop fs -put. I wonder if put can guarantee the ... big-file-to-hadoop-how-to-verify-the-integrity-of-the-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hdfs 配制HA，只能访问到本地文件系统，为什么访问不到hdfs系统？

1.在bin/hdfs dfs 下执行命令访问到的是本地文件系统，正常来讲应该是hdfs文件系统 2.HA配置文件 <?xml version="1.0" encoding="UTF ... > <name>dfs.permissions</name> <value>false</value> </property> </configuration>...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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