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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Fri, Aug 31, 2012 at 9:58 AM, Robert Evans wrote: I haven't been in the MR codebase much of late, so I'll defer to your judgment here: would it be feasible to have an abstract...
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Author: Todd Lipcon,
2012-08-31, 17:06
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Thu, Aug 30, 2012 at 11:50 PM, Mattmann, Chris A (388J) wrote: Well, speaking as one of the developer community who hasn't been a traditional user of Hadoop since my previous ...
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Author: Todd Lipcon,
2012-08-31, 16:59
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Re: Heads up: next hadoop-2 release - Hadoop - [mail # general]
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...Should we consider re-branching 2.1.0-alpha off the current branch-2 code, then? Given there's been lots of testing on tip of branch-2, and not much in there that I consider "scary", it migh...
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Author: Todd Lipcon,
2012-08-31, 16:40
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Wed, Aug 29, 2012 at 4:54 PM, Mattmann, Chris A (388J) wrote: Hadoop, in its current form? The code bases are tightly intertwined. We pulled out Pig/Hive/HBase because t...
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Author: Todd Lipcon,
2012-08-30, 00:16
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Wed, Aug 29, 2012 at 4:47 PM, Konstantin Boudnik wrote: Nope, I picked it based on Arun's earlier picking of the same number in the YARN thread. We have no bylaws about what w...
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Author: Todd Lipcon,
2012-08-29, 23:48
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Wed, Aug 29, 2012 at 4:29 PM, Mattmann, Chris A (388J) wrote: No doubt there's bad behavior. But splitting into smaller projects won't help anything. We'll still have the exa...
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Author: Todd Lipcon,
2012-08-29, 23:44
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...On Wed, Aug 29, 2012 at 4:20 PM, Mattmann, Chris A (388J) wrote: Already expressed my opinion above on the thread that whole idea of splitting is crazy. But, I'll comment on some...
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Author: Todd Lipcon,
2012-08-29, 23:35
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project - Hadoop - [mail # general]
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...Have we not learned our lessons from the last attempts to split? The issues in our community, which I think Chris is referring to, do not generally revolve around project boundaries. I...
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Author: Todd Lipcon,
2012-08-29, 21:18
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[HADOOP-8069] Enable TCP_NODELAY by default for IPC - Hadoop - [issue]
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...I think we should switch the default for the IPC client and server NODELAY options to true. As wikipedia says:In general, since Nagle's algorithm is only a defense against careless applicati...
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http://issues.apache.org/jira/browse/HADOOP-8069
Author: Todd Lipcon,
2012-08-17, 05:44
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[HADOOP-7754] Expose file descriptors from Hadoop-wrapped local FileSystems - Hadoop - [issue]
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...In HADOOP-7714, we determined that using fadvise inside of the MapReduce shuffle can yield very good performance improvements. But many parts of the shuffle are FileSystem-agnostic and thus ...
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http://issues.apache.org/jira/browse/HADOOP-7754
Author: Todd Lipcon,
2012-08-16, 00:20
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