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[HADOOP-10926] Improve test-patch.sh to apply binary diffs - Hadoop - [issue]
...The Unix patch command cannot apply binary diffs as generated via git diff --binary. This means we cannot get effective test-patch.sh runs when the patch requires adding a binary file.We sho...
http://issues.apache.org/jira/browse/HADOOP-10926    Author: Andrew Wang, 2014-10-31, 11:42
[HADOOP-11173] Improve error messages for some KeyShell commands - Hadoop - [issue]
...A few KeyShell commands don't print the exception messages and just swallow the exception, resulting in a non-specific error message....
http://issues.apache.org/jira/browse/HADOOP-11173    Author: Andrew Wang, 2014-10-30, 18:10
[HDFS-7165] Separate block metrics for files with replication count 1 - HDFS - [issue]
...We see a lot of escalations because someone has written teragen output with a replication factor of 1, a DN goes down, and a bunch of missing blocks show up. These are normally false positiv...
http://issues.apache.org/jira/browse/HDFS-7165    Author: Andrew Wang, 2014-10-30, 17:21
[YARN-1813] Better error message for "yarn logs" when permission denied - YARN - [issue]
...I ran some MR jobs as the "hdfs" user, and then forgot to sudo -u when grabbing the logs. "yarn logs" prints an error message like the following:[andrew.wang@a2402 ~]$ yarn logs -application...
http://issues.apache.org/jira/browse/YARN-1813    Author: Andrew Wang, 2014-10-28, 19:01
[HDFS-6824] Additional user documentation for HDFS encryption. - HDFS - [issue]
...We'd like to better document additional things about HDFS encryption: setup and configuration, using alternate access methods (namely WebHDFS and HttpFS), other misc improvements....
http://issues.apache.org/jira/browse/HDFS-6824    Author: Andrew Wang, 2014-10-22, 22:43
[expand - 1 more] - Re: HDFS Snapshots - HDFS - [mail # dev]
...Why would the state go backwards? Let me try to restate your scenario:t1: snapshot a file with length 5t2: append to the file, now length 6t3: delete the snapshotAfter this, since we deleted...
   Author: Andrew Wang, 2014-10-21, 15:19
Re: Hadoop Distributed Caching Technology - Hadoop - [mail # dev]
...Hi Deb,We added support for centralized cache management to HDFS, which is out ofthe box and works with MR jobs.See the docs here:http://hadoop.apache.org/docs/r2.5.0/hadoop-project-dist/had...
   Author: Andrew Wang, 2014-10-20, 15:22
[expand - 2 more] - Re: [ANNOUNCE] New Hadoop Committer - Yi Liu - Hadoop - [mail # general]
...Congrats Yi, looking forward to your continued contributions :)On Mon, Oct 20, 2014 at 6:58 AM, Liu, Yi A  wrote: ...
   Author: Andrew Wang, 2014-10-20, 14:50
Re: [DISCUSS] Resolving the divergences for web-related code between branch-2 and trunk - HDFS - [mail # dev]
...This actually is addressed in the compat guidelines, the shell scriptrewrite is incompatible and thus shouldn't land in branch-2. ...
   Author: Andrew Wang, 2014-10-02, 03:10
[expand - 2 more] - Re: [VOTE] Merge HDFS-6581 to trunk - Writing to replicas in memory. - HDFS - [mail # dev]
...-0.The goal of this feature is to improve write performance. I thought it wasthus reasonable for me to ask for write benchmarks. However, this requestwas not received warmly. For a performan...
   Author: Andrew Wang, 2014-09-26, 00:55
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