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Re: Short Circuit Local Reads - Spark - [mail # user]
...On Tue, Sep 30, 2014 at 6:28 PM, Andrew Ash  wrote:If you want to test the remote read path on cdh4 without readahead,you can set both dfs.datanode.readahead.bytes anddfs.client.cache.r...
   Author: Colin McCabe, 2014-10-01, 19:05
[expand - 2 more] - Re: [VOTE] Merge HDFS-6581 to trunk - Writing to replicas in memory. - HDFS - [mail # dev]
...On Wed, Sep 24, 2014 at 4:03 PM, Arpit Agarwal  wrote:Thank you for the offer.  I am OK with the current vote expirationtime, now that we've seen more benchmarks and discussed more...
   Author: Colin McCabe, 2014-09-25, 01:24
[expand - 1 more] - Re: Cannot access Jenkins generated test results, findbug warnings and javac warnings - Hadoop - [mail # dev]
...Thanks, Steve.Should we just put everything in patchprocess/ like before?  It seemslike renaming this directory to PreCommit-HADOOP-Build-patchprocess/or PreCommit-YARN-Build-patchproce...
   Author: Colin McCabe, 2014-09-19, 17:06
[expand - 1 more] - Re: [DISCUSS] Allow continue reading from being-written file using same stream - HDFS - [mail # dev]
...On Fri, Sep 19, 2014 at 9:41 AM, Vinayakumar B  wrote:I think DFSInputStream#available would be a lot more useful if it toldusers how much data could be read without doing network I/O. ...
   Author: Colin McCabe, 2014-09-19, 17:03
Re: CoHadoop Papers - Spark - [mail # dev]
...This feature is called "block affinity groups" and it's been underdiscussion for a while, but isn't fully implemented yet.  HDFS-2576 isnot a complete solution because it doesn't change...
   Author: Colin McCabe, 2014-09-15, 22:22
[expand - 3 more] - Re: In hindsight... Re: Thinking ahead to hadoop-2.6 - HDFS - [mail # dev]
...On Mon, Sep 15, 2014 at 10:48 AM, Allen Wittenauer  wrote:I don't see what is so scary about 2.6, can you be more concrete?  Itseems like a pretty normal release to me and most of ...
   Author: Colin McCabe, 2014-09-15, 18:18
Re: Git repo ready to use - Hadoop - [mail # dev]
...It's an issue with test-patch.sh.  Seehttps://issues.apache.org/jira/browse/HADOOP-11084best,ColinOn Mon, Sep 8, 2014 at 3:38 PM, Andrew Wang  wrote: ...
   Author: Colin McCabe, 2014-09-12, 18:32
Re: migrating private branches to the new git repo - Hadoop - [mail # dev]
...+1 for using git log instead of CHANGES.txt.ColinOn Wed, Sep 3, 2014 at 11:07 AM, Chris Douglas  wrote: ...
   Author: Colin McCabe, 2014-09-08, 19:27
Re: Disk space leak when using HBase and HDFS ShortCircuit - HBase - [mail # dev]
...HDFS now notifies the client when the block file has been deleted. SeeHDFS-6750 for details.Best,Colin On Jun 26, 2014 11:39 AM, "Giuseppe Reina"  wrote: ...
   Author: Colin McCabe, 2014-08-31, 20:30
[expand - 3 more] - Re: Updates on migration to git - Hadoop - [mail # dev]
...Thanks for making this happen, Karthik and Daniel.  Great job.best,ColinOn Tue, Aug 26, 2014 at 5:59 PM, Karthik Kambatla  wrote: ...
   Author: Colin McCabe, 2014-08-27, 20:43
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