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Re: Apache-hadoop => CDH3 conversion: permissions - HDFS - [mail # user]
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...I'm pretty sure you'll find more support on a cdh specific mailing lists. Apparently, such a conversion won't be covered by Apache Hadoop documentation. Cos On Fri, Jun 17, 2011 ...
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Author: Konstantin Boudnik,
2011-06-17, 21:23
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Re: How to create a lot files in HDFS quickly? - HDFS - [mail # user]
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...Your best bet would be to take a look at synthetic load generator. 10^8 files would be a problem for most cases because you'd need to have a really beefy NN for that (~48GB of JVM heap...
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Author: Konstantin Boudnik,
2011-05-30, 04:54
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Re: What if one of the directory(dfs.name.dir) rw error ? - HDFS - [mail # user]
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...On Wed, May 25, 2011 at 10:48PM, Thanh Do wrote: Fault injection is there, so you can just check src/test/aop and src/test/system for references, etc. ...
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Author: Konstantin Boudnik,
2011-05-26, 04:42
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Re: [Discuss] Merge federation branch HDFS-1052 into trunk - HDFS - [mail # dev]
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...+1. Having an open QE process would be a tremendous value-add to the overall quality of the feature. Append was an exemplary development in this sense. Would it be possible to have Federatio...
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Author: Konstantin Boudnik,
2011-04-28, 13:36
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Re: [Discuss] Merge federation branch HDFS-1052 into trunk - HDFS - [mail # dev]
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...Interesting... while the read performance has only marginally improved 10%. Very interesting asymmetry, indeed. Suresh, what was the size of the cluster in the testing? Cos &nbs...
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Author: Konstantin Boudnik,
2011-04-27, 17:41
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Re: [Discuss] Merge federation branch HDFS-1052 into trunk - HDFS - [mail # dev]
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...Oops, the message came out garbled. I meant to say I assume the outlined changes won't prevent an earlier version of HDFS from upgrades to the federation version, right? Thanks i...
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Author: Konstantin Boudnik,
2011-04-27, 05:40
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Re: [Discuss] Merge federation branch HDFS-1052 into trunk - HDFS - [mail # dev]
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...Sanjay, I assume the outlined changes won't an earlier version of HDFS from upgrads to the federation version, right? Cos On Tue, Apr 26, 2011 at 17:26, Sanjay Radia ...
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Author: Konstantin Boudnik,
2011-04-27, 00:59
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Re: hdfsproxy tests - HDFS - [mail # dev]
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...In spite of this alleged abandonment would it be desirable to reconsider late decision about removing hdfsproxy away from hdfs project? Cos On Mon, Apr 4, 2011 at 10:14, Todd Li...
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Author: Konstantin Boudnik,
2011-04-04, 17:51
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Re: Fwd: Namenode and metadata backups via NFS - HDFS - [mail # user]
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...One of the ideas is to use interruptible and soft mount as well as lowering the timeo value. A particular timeo value is, perhaps, up to you depends on the environment and requirements your ...
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Author: Konstantin Boudnik,
2011-03-09, 17:15
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Re: Fwd: Hadoop-Hdfs-trunk - Build # 591 - Still Failing - HDFS - [mail # dev]
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...I have took a look at the test and I should note that the way they written if kinda misleading. For instance the message we are seeing in the Hudson says expected: but wa...
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Author: Konstantin Boudnik,
2011-02-27, 21:53
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