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HDFS >> mail # user >> Re: Hadoop 2.2.0 from source configuration


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Re: Hadoop 2.2.0 from source configuration
Here is additional information about the HDFS:

$ hdfs dfsadmin -report
Configured Capacity: 3208335360 (2.99 GB)
Present Capacity: 534454272 (509.70 MB)
DFS Remaining: 534450176 (509.69 MB)
DFS Used: 4096 (4 KB)
DFS Used%: 0.00%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0

-------------------------------------------------
Datanodes available: 1 (1 total, 0 dead)

Live datanodes:
Name: 127.0.0.1:50010 (hosta.subdom1.tld1)
Hostname: hosta.subdom1.tld1
Decommission Status : Normal
Configured Capacity: 3208335360 (2.99 GB)
DFS Used: 4096 (4 KB)
Non DFS Used: 2673881088 (2.49 GB)
DFS Remaining: 534450176 (509.69 MB)
DFS Used%: 0.00%
DFS Remaining%: 16.66%
Last contact: Mon Dec 02 12:07:28 EST 2013
I see nothing that could explain the error. I can mkdir, put empty files,
list content.

-----------------
Daniel Savard
2013/12/2 Daniel Savard <[EMAIL PROTECTED]>

> André,
>
> good for you that greedy instructions on the reference page were enough to
> setup your cluster. However, read them again and see how many assumptions
> are made into them about what you are supposed to already know and should
> come without saying more about it.
>
> I did try the single node setup, it is worst than the cluster setup
> regarding the instructions. You are supposed to already have a near working
> system as far as I understand the instructions. It is assumed the HDFS is
> already setup and working properly. Try to find the instructions to setup
> HDFS for version 2.2.0 and you will end up with a lot of inappropriate
> instructions about previous version (some properties were renamed).
>
> It may appear hard at people to say this is toxic, but it is. The first
> place a newcomer will go is setup a single node. This will be his starting
> point and he will be left with a bunch of a priori and no clue.
>
> To go back to my very problem at this point:
>
> 13/12/02 11:34:07 WARN hdfs.DFSClient: DataStreamer Exception
> org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
> /test._COPYING_ could only be replicated to 0 nodes instead of
> minReplication (=1).  There are 1 datanode(s) running and no node(s) are
> excluded in this operation.
>     at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1384)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2477)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:555)
>     at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:387)
>     at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:59582)
>     at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
>     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
>     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048)
>     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:415)
>     at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
>     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042)
>
>     at org.apache.hadoop.ipc.Client.call(Client.java:1347)
>     at org.apache.hadoop.ipc.Client.call(Client.java:1300)
>     at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
>     at com.sun.proxy.$Proxy9.addBlock(Unknown Source)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:606)
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB