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[HDFS-3436] adding new datanode to existing pipeline fails in case of Append/Recovery - HDFS - [issue]
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...Scenario:=========1. Cluster with 4 DataNodes.2. Written file to 3 DNs, DN1->DN2->DN33. Stopped DN3,Now Append to file is failing due to addDatanode2ExistingPipeline is failed. CL...
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http://issues.apache.org/jira/browse/HDFS-3436
Author: Brahma Reddy Battula,
2013-05-07, 13:40
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RE: Put a file to Hadoop with WebHDFS ? - HDFS - [mail # user]
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... you need to give the datanode http port,Like below curl -i -X PUT -T /home/levi/3 "http://localhost:50075/webhdfs/v1/levi/3?op=CREATE" Syntax for writing file using webhd...
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Author: Brahma Reddy Battula,
2013-03-20, 04:00
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[HDFS-3618] SSH fencing option may incorrectly succeed if nc (netcat) command not present - HDFS - [issue]
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...Started NN's and zkfc's in Suse11.Suse11 will have netcat installation and netcat -z will work(but nc -z wn't work)..While executing following command, got command not found hence rc will be...
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http://issues.apache.org/jira/browse/HDFS-3618
Author: Brahma Reddy Battula,
2013-03-13, 05:25
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[HDFS-3384] DataStreamer thread should be closed immediatly when failed to setup a PipelineForAppendOrRecovery - HDFS - [issue]
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...Scenraio:=========write a filecorrupt block manuallycall append..2012-04-19 09:33:10,776 INFO hdfs.DFSClient (DFSOutputStream.java:createBlockOutputStream(1059)) - Exception in createB...
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http://issues.apache.org/jira/browse/HDFS-3384
Author: Brahma Reddy Battula,
2013-03-13, 05:07
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RE: How to get Under-replicated blocks information [Location] - HDFS - [mail # user]
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...you get the block locations(hoping that you are asking about which node) by two ways.. i) ./hadoop fsck / -files -blocks -locations.(Commandline) ii) NameNode UI..(GO to UI and click o...
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Author: Brahma Reddy Battula,
2013-02-27, 10:33
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[HDFS-3980] NPE in HttpURLConnection.java while starting SecondaryNameNode. - HDFS - [issue]
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...Scenario:========I started secure cluster by going thru following..https://ccp.cloudera.com/display/CDHDOC/CDH3+Security+Guide..Here SecondaryNamenode is getting shutdown by throwing NPE..Pl...
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http://issues.apache.org/jira/browse/HDFS-3980
Author: Brahma Reddy Battula,
2012-10-30, 07:12
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[HDFS-3735] NameNode WebUI should allow sorting live datanode list by fields Block Pool Used, Block Pool Used(%) and Failed Volumes. - HDFS - [issue]
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...Live datanode list is not correctly sorted for columns Block Pool Used (GB),Block Pool Used (%) and Failed Volumes. Read comments for more details....
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http://issues.apache.org/jira/browse/HDFS-3735
Author: Brahma Reddy Battula,
2012-10-05, 15:04
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[HDFS-3108] [UI] Few Namenode links are not working - HDFS - [issue]
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...Scenario 1==========Once tail a file from UI and click on "Go Back to File View",I am getting HTTP ERROR 404Scenario 2===========Frequently I am getting following execption If a click on (Br...
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http://issues.apache.org/jira/browse/HDFS-3108
Author: Brahma Reddy Battula,
2012-09-26, 20:14
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RE: removing datanodes from clustes. - HDFS - [mail # user]
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...Hi Yogesh.. FYI. Please go through following.. http://tech.zhenhua.info/2011/04/how-to-decommission-nodesblacklist.html http://hadoop-karma.blogspot.in/2011/01/hadoop-cook...
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Author: Brahma Reddy Battula,
2012-09-12, 04:46
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[HDFS-3744] Decommissioned nodes are included in cluster after switch which is not expected - HDFS - [issue]
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...Scenario:=========Start ANN and SNN with three DN'sExclude DN1 from cluster by using decommission feature (./hdfs dfsadmin -fs hdfs://ANNIP:8020 -refreshNodes)After decommission successful,d...
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http://issues.apache.org/jira/browse/HDFS-3744
Author: Brahma Reddy Battula,
2012-09-07, 22:09
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