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87 discussions - 448 posts

  • Hi Folks, I'm wondering if there is any sample screenshots out there for the Hadoop webapps? I poked around the website, the wiki, and some other places and couldn't find any? If there aren't any ...
    Chris MattmannChris Mattmann
    Oct 8, 2007 at 3:09 pm
    Oct 9, 2007 at 6:22 am
  • Hi, I'm starting to learn DFS of hadoop. Are there any docs about the detail of DFS, such as the layout of the data structure? Thanks -- Xie Gang
    谢纲谢纲
    Oct 8, 2007 at 2:08 pm
    Oct 8, 2007 at 3:23 pm
  • Hello all, I am using Hadoop C/C++ API with API definitions found hdfs.h In comments for hdfsListDirectory function, there is a line "Get list of files/directories for a given directory-path. ...
    Taeho KangTaeho Kang
    Oct 8, 2007 at 5:25 am
    Oct 8, 2007 at 5:43 am
  • Hello all What is the procedure for reading counters after a job has run? I want to be able to run my job using JobClient.runJob(), then read out some counters to make a decision about whether to run ...
    Steve SchlosserSteve Schlosser
    Oct 3, 2007 at 2:21 pm
    Oct 3, 2007 at 5:24 pm
  • Hi,all: I am starting to use hadoop recently,I have 3 questions to ask?Can anybody help me with it? first question:I previously have some code under Windows and some .exe & .dll file.Does hadoop ...
    Vid seaVid sea
    Oct 31, 2007 at 3:44 pm
    Oct 31, 2007 at 4:49 pm
  • Hello, According to a hadoop tutorial (http://wiki.apache.org/nutch/NutchHadoopTutorial) on wiki, "you don't want to search using DFS, you want to search using local filesystems. Once the index has ...
    Paul H.Paul H.
    Oct 27, 2007 at 4:19 pm
    Oct 27, 2007 at 6:52 pm
  • package org.apache.hadoop.examples simple examples r in this package. ----- 原始邮件 ---- 发件人: Mehdi Sheikhalishahi <mehdi.alishahi@gmail.com 收件人: hadoop-user@lucene.apache.org 已发送: 2007/10/8(周一), ...
    KauuKauu
    Oct 8, 2007 at 11:25 am
    Oct 24, 2007 at 1:34 am
  • Hi! I am new at clustering, to start a demo cluster what are the steps require to take. Presently I could experimenting with 3 Linux system all latest Intel based with 512 RAM Thanks Sukalyan Banga
    Sukalyan BangaSukalyan Banga
    Oct 20, 2007 at 2:04 pm
    Oct 20, 2007 at 4:39 pm
  • Hi all-- I had a subtle bug in a MapReduce job that I was working on related to the fact that my custom key type's hash type (used by the default HashPartitioner) was putting elements that belonged ...
    Chris DyerChris Dyer
    Oct 15, 2007 at 2:11 pm
    Oct 15, 2007 at 9:19 pm
  • Is there Hadoop UML class and sequence diagram available? Thanks, James Yu
    James YuJames Yu
    Oct 13, 2007 at 12:28 am
    Oct 13, 2007 at 1:32 am
  • Several questions to ask about hadoop: - when I install hadoop under /usr/local/hadoop/hadoop for master. Can other slaves be installed under different directories? Or every machine should have the ...
    Wang JianWang Jian
    Oct 10, 2007 at 9:36 pm
    Oct 10, 2007 at 9:36 pm
  • Hi, I have set up 2-node cluster running on Ubuntu 7.04 and tested the examples, including wordcount and pi. But the jobs don't always finish. Sometimes the reduce tasks hang in the middle, such as ...
    Ming YangMing Yang
    Oct 9, 2007 at 3:17 am
    Oct 9, 2007 at 7:05 am
  • Hi, What is meant by an External HDFS or External Mapred?? Thanks in Advance. -Preethi Explore your hobbies and interests. Go to http://in.promos.yahoo.com/groups
    Preethi ChockalingamPreethi Chockalingam
    Oct 9, 2007 at 4:29 am
    Oct 9, 2007 at 7:04 am
  • Hi, What is the URL of hadoop management interface? And how to configure the hadoop as webdav store? Are there examples or documents? Thank you! regards
    贺齐贺齐
    Oct 8, 2007 at 3:13 am
    Oct 8, 2007 at 4:22 am
  • Looks like I ran into something like HADOOP-1978 symptom: 2007-10-04 20:51:24,197 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit Log from <IP4 2007-10-04 20:51:24,197 INFO ...
    Christian KunzChristian Kunz
    Oct 4, 2007 at 9:09 pm
    Oct 4, 2007 at 9:38 pm
  • Hello, Is there any documentation about HOD? -- Best Regards, S.Mehdi Sheikhalishahi, Web: http://www.cse.shirazu.ac.ir/~alishahi/ Bye.
    Mehdi SheikhalishahiMehdi Sheikhalishahi
    Oct 4, 2007 at 6:38 am
    Oct 4, 2007 at 7:51 am
  • Just posting a link to this paper because I hadn't seen it mentioned here and thought you guys would find it interesting. http://www.allthingsdistributed.com/2007/10/amazons_dynamo.htm "Dynamo is ...
    Kate rhodesKate rhodes
    Oct 3, 2007 at 12:00 pm
    Oct 3, 2007 at 3:57 pm
  • i try to crawl with nutch "bin/nutch crawl urls -dir crawled -depth 3" but show error that - parsing jar:file:/usr/lib/jdk1.6.0_01/jre/lib/ext/hadoop-0.9.2.jar!/hadoop-default.xml - parsing ...
    JibjoiceJibjoice
    Oct 1, 2007 at 4:54 am
    Oct 2, 2007 at 1:02 am
  • Ah yea, I forgot to mention that part. Our raw logs are obviously compressed as well, but I'm pushing them frequently enough that there are always enough splits/maps to saturate the nodes. I heard ...
    Stu HoodStu Hood
    Oct 1, 2007 at 12:52 am
    Oct 1, 2007 at 2:42 am
  • Hi, It seems as if info.mKind is always kObjectKindDirectory, no matter whether it's a directory or a file. This is using hadoop-0.13.2. Is anyone else having the same problem? Thanks, pete
    Pete WyckoffPete Wyckoff
    Oct 31, 2007 at 1:06 am
    Oct 31, 2007 at 1:06 am
  • Hi All, I tried setting up a local filesystem crawl through nutch-0.9. I am facing problems trying this. Following are the details: ------------------------------ CRAWL OUTPUT: Found 1 items ...
    Prem kumarPrem kumar
    Oct 29, 2007 at 4:57 am
    Oct 29, 2007 at 4:57 am
  • Hello, According to a hadoop tutorial (http://wiki.apache.org/nutch/NutchHadoopTutorial) on wiki, "you don't want to search using DFS, you want to search using local filesystems. Once the index has ...
    Paul H.Paul H.
    Oct 27, 2007 at 5:27 pm
    Oct 27, 2007 at 5:27 pm
  • http://blog.csdn.net/kauu ----- 原始邮件 ---- 发件人: 谢纲 <xiegang112@gmail.com 收件人: hadoop-user@lucene.apache.org 已发送: 2007/10/8(周一), 下午11:22:38 主题: Re: Is there any doc about DFS of hadoop I have read this ...
    KauuKauu
    Oct 24, 2007 at 1:31 am
    Oct 24, 2007 at 1:31 am
  • Running 0.13.1 - running into this very predictably (some tasks seem to keep timing out). The pattern is like this: - tasktracker says reduce task is not responding: 2007-10-20 18:40:28,225 INFO ...
    Joydeep Sen SarmaJoydeep Sen Sarma
    Oct 21, 2007 at 2:25 am
    Oct 21, 2007 at 2:25 am
  • Hi all, I've previously played with hadoop 0.12.3 and recently downloaded 0.14.2. It seems that hadoop 0.14.2 by default will read the config files in hadoop-0.14.2-core.jar but not the ...
    Cedric HoCedric Ho
    Oct 18, 2007 at 6:15 am
    Oct 18, 2007 at 6:15 am
  • Hi there, I have upgraded from Hadoop 0.12.2 to 0.14.1 and am working on nutch. All seems to be fine except for Dedup jobs fail with "java.io.IOException". I found someone else get this error which ...
    PvvprPvvpr
    Oct 15, 2007 at 5:20 pm
    Oct 15, 2007 at 5:20 pm
  • We are using hadoop for multiple users and the DFS is using a shared directory for data as noted by FAQ #13. Is there a way to have hadoop use a different classpath per job? Currently if I startup ...
    Xavier StevensXavier Stevens
    Oct 13, 2007 at 12:25 am
    Oct 13, 2007 at 12:25 am
  • Just in case this can help somebody else and because I just spent a couple of hours debugging this, thought I would share and insight. This only affects locally running jobs, not the DFS, and should ...
    Dennis KubesDennis Kubes
    Oct 12, 2007 at 10:48 pm
    Oct 12, 2007 at 10:48 pm
  • Hi, I am quite a roobie to webdav. Could you give me some example to deploy hadoop webdav? Thank you! Regards
    贺齐贺齐
    Oct 12, 2007 at 12:22 pm
    Oct 12, 2007 at 12:22 pm
  • Hi, I am using Nutch/Hadoop with single node mode.Nutch failed to generate a new segement and in the hadoop log I find the error message below: 007-10-12 11:09:53,961 INFO crawl.Generator - ...
    Qi wuQi wu
    Oct 12, 2007 at 4:39 am
    Oct 12, 2007 at 4:39 am
  • Hi, I'm totally new to hadoop, and I was reading the docs on HDFS. It mentions something called "streaming data access". Does this simply mean that HDFS has been optimized for throughput rather than ...
    Daniel WongDaniel Wong
    Oct 9, 2007 at 9:10 am
    Oct 9, 2007 at 9:10 am
  • Subject: Hadoop/Lucene/Nutch user in Beijing Get Together?
    Qi wuQi wu
    Oct 9, 2007 at 8:29 am
    Oct 9, 2007 at 8:29 am
  • Hi, I configure the hadoop as in document, there are 4 servers, one namenode and 3 datanode and replication is 3. But when I use the command dfsadmin -report there are 4 datanodes, one of the ...
    贺齐贺齐
    Oct 8, 2007 at 3:29 am
    Oct 8, 2007 at 3:29 am
  • I want to run LineIndexer example, but I've got some problem. I want to use both setMapperClass method and JobClient object. I impoted the following, but It does not work. What's the matter? ...
    Mehdi SheikhalishahiMehdi Sheikhalishahi
    Oct 7, 2007 at 5:25 pm
    Oct 7, 2007 at 5:25 pm
  • Hadoop folks might be interested that we've used Hadoop to render some maps of the Internet address space. Aggregated maps are at <http://www.isi.edu/ant/address ; we've rendered these both with and ...
    John HeidemannJohn Heidemann
    Oct 4, 2007 at 5:12 pm
    Oct 4, 2007 at 5:12 pm
  • Hi all, I just got started running hadoop, and I'm seeing extremely low map performance. I'm trying the grep example over about 8.3 GB of data (~23 million lines) and it's taking more than 3h to ...
    Martin TraversoMartin Traverso
    Oct 2, 2007 at 8:55 pm
    Oct 2, 2007 at 8:55 pm
  • Hi all. I am not sure if I should file a separate bug report or if this is a duplicate of <http://issues.apache.org/jira/browse/HADOOP-1487 I am trying to get started with running hadoop, but have ...
    Erik HetznerErik Hetzner
    Oct 1, 2007 at 11:37 pm
    Oct 1, 2007 at 11:37 pm
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116 users for October 2007

Ted Dunning: 48 posts Doug Cutting: 17 posts Owen O'Malley: 16 posts Lance Amundsen: 15 posts Edward yoon: 13 posts Michael Stack: 13 posts Dennis Kubes: 12 posts Jim the Standing Bear: 12 posts Ming Yang: 11 posts Joydeep Sen Sarma: 9 posts Bin YANG: 8 posts Jim Kellerman: 8 posts Stu Hood: 8 posts Arun C Murthy: 7 posts Chris Dyer: 7 posts Preethi Chockalingam: 7 posts 贺齐: 7 posts C G: 6 posts Enis Soztutar: 6 posts James Yu: 6 posts
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