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Questions tagged [microsoft-distributed-file-system]

For programming questions about Microsoft's Distributed File System (DFS). (For questions about depth-first search, use the [depth-first-search] tag.)

176 questions
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Unexpected behavior when opening a file stream in a PowerShell script

I am trying to create a script that appends (or creates, then appends) to an existing file. This file is being interfaced to from another system, so in order to avoid a situation where the file is being read while I'm appending to it, I'm creating a…
Cpu1
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DFS Locking ASP.Net DLL's through FTP

I am having an ongoing situation where when I try to upload files via FTP that I get an error that the DLL is locked and currently cannot be overwritten. This is only DLLs that this is happeneing to and normal files (aspx, ascx, css etc) can be…
Chris Lomax
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Hadoop HDFS: How to set hostname:9000 instead of localhost:9000

How can I set the IP address that Hadoop HDFS should listen on? Currently, when I run netstat I see its on 127.0.0.1:9000. This makes access HDFS impossible from another node in the cluster. I get connection refused error when running application. I…
nikk
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Cannot access file because it is being used by another process : DFSR

I’m getting an error with my single thread C# 4.0 desktop application. When I try to save a file, I’m getting the following error : The process cannot access the file because it is being used by another process. We have turned off DFSR in order…
chocoporto
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HDFS block creation

I would like to how does a block gets created. Does it create 64MB blocks by default on the filesystem or creates based on the file transfer activity Assume i have setup a 10 node cluster setup. I am installing hadoop on all the nodes. how does…
Karthi
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Error while stating hadoop namenode in windows for command hadoop namenode -format

I got error while executing this command to start the namenode. c:\hadoop-2.3.0\bin>hadoop namenode -format DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. Exception in thread…
ddd
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Can I use DFS with the new Azure File Storage

From on-premises DFS, can I include a share from the new Azure File Storage?
Dave
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DFS Used%: 100.00% Slave VMs down in Hadoop

My slave VMs went down and I guess it's because DFS used is 100%. Can you please give a systematic approach as how to solve this problem? Is it a firewall problem? capacity problem or what could cause it and how can be fixed? ubuntu@anmol-vm1-new:~$…
Mona Jalal
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Exception in createBlockOutputStream java.io.IOException: Bad connect ack with firstBadLink

Any idea why I am getting this error? 10.0.1.193 is one of my slave VMs. ubuntu@anmol-vm1-new:/home/hadoop/yarnpp$ hadoop fs -put tez-0.4.1-incubating/* /apps/tez-0.4.1-incubating 15/11/30 02:53:28 WARN util.NativeCodeLoader: Unable to load…
Mona Jalal
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Memcached clustering with zero downtime

I am having problems in applying memcached clustering in my multi-tenant system. Actually I have applied memcached as my first phase of project - the result is my system is has been supported by two tomcat instances, if one fails second tomcat…
Shraddha Seth
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Permission denied when starting hadoop

I'm trying to run Hadoop 2.7.1 on Centos 7. When I'm invoking script start-dfs.sh, I'm getting following error: localhost: starting datanode, logging to /usr/bin/hadoop/logs/hadoop-hadoop- datanode-localhost.localdomain.out localhost: nice:…
bongo
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get DFS/UNC info progromatically - Java

Ok I'll try and keep this short. First let me explain exactly what I am trying to get. If you open Windows Explorer and go to a network drive there is a DFS tab there(must have DFS enabled VIA the servers on the network so it may not be there). In…
reddragon72
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Publishing DFS replication to a Namespace

I'm creating a chef cookbook which runs on 2 Windows boxes Turns on DFS Windows feature Creates a folder and sets it up for replication Creates a Replication Group and registers it to the ActiveDirector The recipes are calling PowerShell commands…
Adam Ocsvari
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Is Cassandra suitable enough for storing logs in term of disk space usage?

I've a problem storing 50Gb of logs each day in a distributed environment. I looked at Hadoop HDFS but because it has problems running on Windows infrastructure, lack of multi language filesystem API it doesn't suit me very well. Cassandra on the…
sha1dy
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Why this DFS code is not working in some cases?

According to above picture DFS should be: 0 1 3 5 4 2 but it's returning 0 1 3 5 2 (This is happening only for one case. What I am doing wrong here?) code: import java.util.Stack; public class DFSDetectCycleSelf { static int arr[][] = { {…
Amit Pal
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