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xavier_hunag
Explorer

How many blocks in a container?

by Explorer in Support Questions
‎11-20-2017 04:16 AM
‎11-20-2017 04:16 AM
I know I core for 1 container, but I wonder how many blocks are in a container? is one block for a container? ... View more

Re: What is dfs.datanode.DatanodeNetworkErrors mea...

by Explorer in Support Questions
‎11-13-2017 07:29 AM
‎11-13-2017 07:29 AM
Thanks for your answer. One more question is how dose this value calculate? Because I have doubt with the the value of vertical axis. image-11.jpg ... View more

What is dfs.datanode.DatanodeNetworkErrors mean in...

by Explorer in Support Questions
‎11-13-2017 06:03 AM
‎11-13-2017 06:03 AM
In the document, Network Errors means Rate of network errors on JVM. But I am a little bit confused at JVM. Is JVM the container? If so, does this value represent the rate of drop package while connecting containers on the datanodes? https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.0.0/bk_ambari-operations/content/grafana_hdfs_datanodes.html ... View more
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Re: namenode service failed to start -- java heap ...

by Explorer in Support Questions
‎09-28-2017 06:04 AM
1 Kudo
‎09-28-2017 06:04 AM
1 Kudo
It's a permission issue. Please check the the file privilege. ( /mach/hadoop/hdfs/namenode/current/VERSION) 2017-09-2801:02:32,556 ERROR namenode.NameNode(NameNode.java:main(1774))-Failed to start namenode. java.io.FileNotFoundException:/mach/hadoop/hdfs/namenode/current/VERSION (Permission denied) ... View more
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Date Registered ‎08-23-2017 03:12 AM
Last Visited ‎05-13-2019 06:24 AM
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