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Re: hdfs system crashes when loading files bigger than local space left - HDFS - [mail # user]
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...On Jul 14, 2010, at 4:16 AM, Vitaliy Semochkin wrote: the node. a) Have you set a reserved size for hdfs? b) Are you loading data from the datanode? ...
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Author: Allen Wittenauer,
2010-07-14, 15:23
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Re: decommissioning nodes help - HDFS - [mail # user]
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...Do you have a topology defined? On Jul 13, 2010, at 2:46 PM, Arun Ramakrishnan wrote: ng process is well tested and less likely to have bugs. replication to 3. Kill 2 more ...
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Author: Allen Wittenauer,
2010-07-13, 22:43
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Re: default masters/slaves content question - HDFS - [mail # user]
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...On Jun 25, 2010, at 2:19 AM, Vitaliy Semochkin wrote: on of hadoop? Because it would take a long time if we put everyone's hostname in there. : ) Pretty much everything in...
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Author: Allen Wittenauer,
2010-06-25, 17:19
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Re: Integrating Lustre and HDFS - HDFS - [mail # dev]
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... No, i'm saying your mapreduce code needs to explicitly reference every file system that it needs to access. You can't rely upon fs.default.name*. Th e distcp code cou...
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Author: Allen Wittenauer,
2010-06-15, 17:24
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Re: Integrating Lustre and HDFS - HDFS - [mail # dev]
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...On Jun 10, 2010, at 8:27 PM, Vikas Ashok Patil wrote: e I guess we're all confused as to your use case. Why do you want to run two distributed file systems on the sam...
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Author: Allen Wittenauer,
2010-06-11, 19:02
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Re: How to fix a corrupted disk? - HDFS - [mail # user]
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...On Jun 9, 2010, at 10:13 PM, Sean Bigdatafun wrote: nterested is stored on 3 datanodes A, B, C. And A suddenly crashed, I under stand I can still read my file because I have two copies...
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Author: Allen Wittenauer,
2010-06-10, 14:04
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Re: Integrating Lustre and HDFS - HDFS - [mail # dev]
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...On Jun 10, 2010, at 2:37 AM, Vikas Ashok Patil wrote: e uld re Your local storage should get used for MR. Use Lustre via file:// (LocalFi leSystem, iirc) instead of HDFS via hdfs...
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Author: Allen Wittenauer,
2010-06-10, 13:57
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Re: Lots of Different Kind of Datanode Errors - HDFS - [mail # user]
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...On Jun 4, 2010, at 12:03 PM, Todd Lipcon wrote: icated xceivers was set to 2048 instead of 4096. g. Verify that your machines aren't swapping when you're under load. Or doing any...
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Author: Allen Wittenauer,
2010-06-04, 19:19
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Re: HDFS-Fuse/virtual machine images - HDFS - [mail # user]
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...On May 11, 2010, at 7:42 AM, Bastian Lorenz wrote: I expect performance to be similar to that of glaciers moving across a cont inent. Last I heard, FUSE-HDFS was a 60% performanc...
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Author: Allen Wittenauer,
2010-05-11, 15:14
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Re: fuse-dfs again - HDFS - [mail # user]
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...On May 6, 2010, at 6:31 PM, Yudong Liu wrote: rage users. Looks like Be aware that HDFS does very poorly with small files. It should not be tre ated like "regular storage". ...
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Author: Allen Wittenauer,
2010-05-07, 15:14
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