hdfs

相关标签：javascript jquery android 多少钱 iPhone

How to read a file from HDFS in a non-Java client

So my MR Job generates a report file, and that file needs to be able to be downloaded by an end-user who needs to click a button on a normal web reporting interface, and have it download the output. A[详细]

2023-02-11 19:54 分类：问答
Managing hdfs in pseudo-distributed hadoop mode

开发者_Go百科I want to do some computation with hadoop and mahout on my quad core machine, so I am using hadoop in pseudo-distributed mode.[详细]

2023-02-08 19:47 分类：问答
File blocks on HDFS

Does Hadoop guarantee that differen开发者_JAVA百科t blocks from same file will be stored on different machines in the cluster? Obviously replicated blocks will be on different machines. No. If you loo[详细]

2023-02-08 09:41 分类：问答
commercial support for hbase/hdfs

I know cloudera is on the forefront of providing commercial suppo开发者_运维问答rt for hadoop/hbase/hdfs.[详细]

2023-02-07 19:41 分类：问答
Hadoop DFS is pointing to current directory

A few months ago, we installed CLoudera Hadoop 3 in our local machine and everything was fine. Recently we also installed Whirr to start working with clusters. Although we faced some problems, after a[详细]

2023-02-06 13:29 分类：问答
Hadoop copy a directory?

Is there an HDFS API that can copy an entire local d开发者_StackOverflowirectory to the HDFS? I found an API for copying files but is there one for directories?Use the Hadoop FS shell. Specifically:[详细]

2023-02-05 17:02 分类：问答
Differences between DFSClient and FileSystem in HDFS

What is the difference between DFSClient Protocol and FileSystem class in Hadoop DFS (HDFS). Both of these classes are used for connecting a remote client to the namenode in HDFS.[详细]

2023-02-03 03:53 分类：问答
What is the advantage of integrating Hbase and Hive

Recently, I came across a blog where the author mentioned about integrating Hbase and Hive. Will this be possible开发者_JAVA技巧 and if so what is the advantage of using both(in terms of performance a[详细]

2023-02-02 16:18 分类：问答
Difference between 'distcp' and 'distcp -update'?

What is the difference between hadoop distcp and hadoop distcp -update Both of them would do the same work with only slight difference in how we call them. None o开发者_运维百科f them overwrite[详细]

2023-02-02 11:07 分类：问答
Hadoop namenode : Single point of failure

The Namenode in the Hadoop architecture is a single point of failure. How do people who have large Hadoop clusters cope with this pr开发者_如何学Gooblem?.[详细]

2023-01-31 11:17 分类：问答