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[HADOOP-10597] Evaluate if we can have RPC client back off when server is under heavy load - Hadoop - [issue]
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...Currently if an application hits NN too hard, RPC requests be in blocking state, assuming OS connection doesn't run out. Alternatively RPC or NN can throw some well defined exception back to...
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Re: Hadoop 2.4.0 How to change "Configured Capacity" - Hadoop - [mail # user]
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...You need to add each disk inside "dfs.name.data.dir" parameter.On Jul 28, 2014 5:14 AM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: ...
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Author: hadoop hive,
2014-07-28, 17:28
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Re: Hadoop 2.4.0 How to change "Configured Capacity" - Hadoop - [mail # user]
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...Hi,Did you configure the property "dfs.datanode.data.dir" with multiplemount point?Thanks,- TsuyoshiOn Mon, Jul 28, 2014 at 8:43 AM, [EMAIL PROTECTED] wrote:- Tsuyoshi ...
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Author: Tsuyoshi OZAWA,
2014-07-28, 02:30
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Hadoop 2.4.0 How to change "Configured Capacity" - Hadoop - [mail # user]
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...Hi,I have installed Hadoop 2.4.0 with 5 nodes, each node physically has 4T hard disk, when checking the configured capacity, I found it is about 49.22 GB per node, can anyone advise how to s...
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Author: Arthur.hk.chan@...,
2014-07-27, 23:44
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Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...If you have 2 an live initially and rep set to 2 which is perfectly finebut you killed one dn... There is no place to put another replica of newfiles as well as old files... Which causing is...
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Author: hadoop hive,
2014-07-28, 17:22
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Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...The reason being that when you write something in HDFS, it guarantees thatit will be written to the specified number of replicas. So if yourreplication factor is 2 and one of your node (out ...
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Author: Shahab Yunus,
2014-07-28, 17:07
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Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...@vikas i have initially set 2 but after that i have make one DN down. So you are saying from initial i have to make replication factor as 1 even i have DN 2 active initially. If so then what...
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Author: Satyam Singh,
2014-07-28, 16:45
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Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...Yes, there is lot of space available at that instant.I am not sure but i have read somewhere that we must have datanodes live >= replication factor given at namenode at any point of...
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Author: Satyam Singh,
2014-07-28, 16:09
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Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...Can you make sure you still have enough HDFS space once you kill this DN? If not, HDFS will automatically enter safemode if it detects there's no hdfs space available. The error message on t...
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Author: Wellington Chevreuil,
2014-07-28, 16:02
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One datanode is down then write/read starts failing - Hadoop - [mail # user]
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...Hello,I have hadoop cluster setup of one namenode and two datanodes.And i continuously write/read/delete through hdfs on namenode through hadoop client.Then i kill one of the datanode, still...
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Author: Satyam Singh,
2014-07-28, 15:57
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Re: Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...Thank you.I compileted with the command:$CLASSPATH=$(ls $HIVE_HOME/lib/hive-serde-*.jar):$(ls $HIVE_HOME/lib/hive-exec-*.jar):$(ls $HADOOP_HOME/hadoop-core-*.jar)$javac -cp $CLASSPATH PutMer...
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Author: R J,
2014-07-28, 16:38
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Re: Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...Hi,I can probably help you out with that. I don¹t want to sound patronisingthough. What is your IDE and have you included the hadoop libraries inyour jar ?Regards,Regards,Chris MacKenzietele...
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Author: Chris MacKenzie,
2014-07-28, 09:17
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Re: Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...Please run it in the same style. The binary 'java' accepts a -cp param too:java -cp $($HADOOP_HOME/bin/hadoop classpath):. PutMergeOn Mon, Jul 28, 2014 at 11:21 AM, R J wrote:Harsh J&n...
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Author: Harsh J,
2014-07-28, 07:42
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Re: Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...Thanks a lot! I could compile with the added classpath:$javac -cp $($HADOOP_HOME/bin/hadoop classpath) PutMerge.javaThe above created PutMerge.class file.Now I try to run:$java PutMergeExcep...
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Author: R J,
2014-07-28, 05:52
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Re: Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...The javac program can only find import dependencies referenced in aprogram if it is also supplied on the javac classpath. SettingHADOOP_HOME alone will not magically do this. Have you set an...
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Author: Harsh J,
2014-07-28, 05:16
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Cannot compaile a basic PutMerge.java program - Hadoop - [mail # user]
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...Hi All,I am new to programming on hadoop. I tried to compile the following program (example program from a hadoop book) on my linix server where I have Haddop installed:I get the errors:$jav...
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Author: R J,
2014-07-28, 00:47
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How do you create predictive models in Hadoop? - Hadoop - [mail # user]
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...I’ve been working with predictive models for three years now. My models have been single threaded and written against data in a non distributed environment. I’m not certain how to translate ...
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[HADOOP-10897] Add "hadoop key" to main hadoop script usage - Hadoop - [issue]
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...HADOOP-10177 added the "hadoop key" CLI to manage keys using KeyProvider API.Currently, the main hadoop script does not show the "hadoop key" category in its usage....
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Re: Question about sqoop command error - Hadoop - [mail # user]
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...Thanks a lot. I removed other jdbc jar files except for the one ojdbc6.jar under /home/catfish/scoop/sqoop-1.4.4.bin__hadoop-0.20/lib/.Now I ran the scoop command again:$/home/catfish/scoop/...
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Author: R J,
2014-07-28, 16:23
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Re: Question about sqoop command error - Hadoop - [mail # user]
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...This appears to be an JDBC end issue (not Sqoop's issue). You likelyhave a mix of different Oracle JDBC (non-DMS and DMS ones?) jars under$SQOOP_HOME/lib or other locations. This is causing ...
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Author: Harsh J,
2014-07-28, 07:45
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Re: Question about sqoop command error - Hadoop - [mail # user]
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...Thanks a lot for the reply. I put it now under the lib directroy:$ pwd/home/catfish/scoop/sqoop-1.4.4.bin__hadoop-0.20/lib$ ls /home/catfish/scoop/sqoop-1.4.4.bin__hadoop-0.20/lib/ojdbc6.jar...
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Author: R J,
2014-07-28, 05:39
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Re: Question about sqoop command error - Hadoop - [mail # user]
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...The jar must be placed under the $SQOOP_HOME/lib/ directory (thelibraries location), not the $SQOOP_HOME/bin/ directory (which is forexecutable scripts/binaries only).On Mon, Jul 28, 2014 at...
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Author: Harsh J,
2014-07-28, 05:17
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Re: Question about sqoop command error - Hadoop - [mail # user]
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...Hi Gordon,Thank you for the reply. I downloaded the jdbc driver from http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html . I downloaded the file ojdbc6.jar ...
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Author: R J,
2014-07-28, 05:09
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Question about sqoop command error - Hadoop - [mail # user]
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...Hi All,I installed sqoop and wanted to try the sqoop command on my linux server where I have Hadoop environment running.I unzipped the scoop executable at: /home/catfish/scoop/sqoop-1.4.4.bi...
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Author: R J,
2014-07-28, 01:36
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[HADOOP-10810] Clean up native code compilation warnings. - Hadoop - [issue]
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...There are several compilation warnings coming from the native code on both Linux and Windows....
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[HADOOP-8449] hadoop fs -text fails with compressed sequence files with the codec file extension - Hadoop - [issue]
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...When the -text command is run on a file and the file ends in the default extension for a codec (e.g. snappy or gz), but is a compressed sequence file, the command will fail.The issue is that...
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[HADOOP-7096] Allow setting of end-of-record delimiter for TextInputFormat - Hadoop - [issue]
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...The patch for https://issues.apache.org/jira/browse/MAPREDUCE-2254 required minor changes to the LineReader class to allow extensions (see attached 2.patch). Description copied below:It will...
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