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Re: Finding file size during block placement - HDFS - [mail # dev]
...On Wed, Jul 23, 2014 at 8:15 AM, Arjun  wrote:Hadoop uses a stream metaphor.  So at the time you're deciding what blocksto use for a DFSOutputStream, you don't know how many bytes ...
   Author: Colin McCabe, 2014-07-25, 17:54
Re: [DISCUSS] Assume Private-Unstable for classes that are not annotated - HDFS - [mail # dev]
...+1.ColinOn Tue, Jul 22, 2014 at 2:54 PM, Karthik Kambatla wrote: ...
   Author: Colin McCabe, 2014-07-25, 17:15
Re: [Vote] Merge The HDFS XAttrs Feature Branch (HDFS-2006) to Trunk - HDFS - [mail # dev]
...Great job, guys.  +1.I don't think we need to finish libhdfs support before we merge (unless youwant to).ColinOn Wed, May 14, 2014 at 5:47 AM, Gangumalla, Umawrote: ...
   Author: Colin McCabe, 2014-05-21, 02:11
Re: In-Memory Reference FS implementations - HDFS - [mail # dev]
...NetFlix's Apache-licensed S3mper system provides consistency for anS3-backed store.http://techblog.netflix.com/2014/01/s3mper-consistency-in-cloud.htmlIt would be nice to see this or somethi...
   Author: Colin McCabe, 2014-03-06, 18:47
Re: [VOTE] Release Apache Hadoop 2.3.0 - HDFS - [mail # dev]
...Looks good.+1, also non-binding.I downloaded the source tarball, checked md5, built, ran some unittests, ran an HDFS cluster.cheers,ColinOn Tue, Feb 11, 2014 at 6:53 PM, Andrew Wang  wr...
   Author: Colin McCabe, 2014-02-12, 04:09
Re: Is there a way to get a Block through block id? - HDFS - [mail # dev]
...You could look at the BlocksMap.  That is where blocks should reside.  Itdepends on what you're trying to do.cheers,ColinOn Tue, Jan 21, 2014 at 10:00 PM, Yu Li  wrote:> Hi...
   Author: Colin McCabe, 2014-01-30, 03:30
Re: deadNodes in DFSInputStream - HDFS - [mail # dev]
...Take a look at HDFS-4273, which fixes some issues with the read retry logic.  cheers, Colin  On Tue, Dec 31, 2013 at 1:25 AM, lei liu  wrote:...
   Author: Colin McCabe, 2013-12-31, 22:12
Re: ByteBuffer-based read API for pread - HDFS - [mail # dev]
...It's true that HDFS (and Hadoop generally) doesn't currently have a ByteBuffer-based pread API.  There is a JIRA open for this issue, HDFS-3246.  I do not know if implementing a By...
   Author: Colin McCabe, 2013-12-31, 22:04
Re: Deprecate BackupNode - HDFS - [mail # dev]
...+1  Colin On Dec 4, 2013 3:07 PM, "Suresh Srinivas"  wrote:  ...
   Author: Colin McCabe, 2013-12-06, 00:20
Re: HDFS single datanode cluster issues - HDFS - [mail # dev]
...First of all, HDFS isn't really the right choice for single-node environments.  I would recommend using LocalFileSystem in this case. If you're evaluating HDFS and only have one compute...
   Author: Colin McCabe, 2013-11-07, 17:09
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