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Is disk use reported with replication? - Hadoop - [mail # user]
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...Simple question: When I issue a "hadoop fs -du" command and/or when I view the namenode web UI to see HDFS disk utilization (which the namenode reports both as bytes and percentage), should ...
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Author: Keith Wiley,
2013-04-22, 17:19
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Re: webapps/ CLASSPATH err - Hadoop - [mail # user]
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...On Feb 19, 2013, at 11:43 , Harsh J wrote: Hadoop 2.0 Yarn does indeed have a share/ dir but Hadoop 2.0 MR1 doesn't have a share/ dir at all. Is MR1 not usable? I was hopi...
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Author: Keith Wiley,
2013-02-19, 21:01
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Re: Namenode formatting problem - Hadoop - [mail # user]
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...Hmmm, okay. Thanks. Umm, is this a Yarn thing because I also tried it with Hadoop 2.0 MR1 (which I think should behave almost exactly like older versions of Hadoop) and it had th...
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Author: Keith Wiley,
2013-02-19, 15:09
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Namenode formatting problem - Hadoop - [mail # user]
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...This is Hadoop 2.0. Formatting the namenode produces no errors in the shell, but the log shows this: 2013-02-18 22:19:46,961 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode...
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Author: Keith Wiley,
2013-02-18, 23:00
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Re: Exec hadoop from Java, reuse JVM (client-side)? - Hadoop - [mail # user]
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...It's just easier that way. I don't have to link in any hadoop libraries or bring in any other hadoop related code. It keeps the two environments fundamentally separat...
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Author: Keith Wiley,
2012-08-02, 05:45
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Re: Exec hadoop from Java, reuse JVM (client-side)? - Hadoop - [mail # user]
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...Hmmm, at first glance that does appear to be similar to my situation. I'll have to delve through it in detail to see if it squarely addresses (and fixes) my problem. Mine ...
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Author: Keith Wiley,
2012-08-01, 23:37
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Exec hadoop from Java, reuse JVM (client-side)? - Hadoop - [mail # user]
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...I know there is a lot of discussion about JVM reuse in Hadoop, but that usually refers to mappers running on the cluste nodesr. I have a much different question. I am...
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Author: Keith Wiley,
2012-08-01, 20:33
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Re: Retrying connect to server: localhost/127.0.0.1:9000. - Hadoop - [mail # user]
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...I got it. The hadoop installation had been done by root (I can't claim credit for that thankfully), and when I chowned everything to my account, I missed a few directories....
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Author: Keith Wiley,
2012-07-27, 20:53
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Retrying connect to server: localhost/127.0.0.1:9000. - Hadoop - [mail # user]
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...I'm plagued with this error: Retrying connect to server: localhost/127.0.0.1:9000. I'm trying to set up hadoop on a new machine, just a basic pseudo-distributed setup. I've...
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Author: Keith Wiley,
2012-07-27, 18:22
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Re: web-tracker question - Hadoop - [mail # user]
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...I don't like to clutter up with list with simple "thanks" responses...so, thanks. Cheers! __________________________________________________________________________ ______...
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Author: Keith Wiley,
2012-07-23, 05:32
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