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Re: How can I get the number files on HDFS have been visited and who have visited them? - Hadoop - [mail # user]
...Could you turn on hdfs audit log? It tracks the access to hdfs system.2014-09-29 10:22 GMT+08:00 Yu Yang :Bing Jiangweibo: http://weibo.com/jiangbingloverBLOG: www.binospace.comBLOG: http://...
   Author: Bing Jiang, 2014-09-29, 02:28
Re: Hadoop shuffling traffic - Hadoop - [mail # user]
...see mapreduce.job.reduce.slowstart.completedmapsIt gives hint of  when reduce tasks could kick off.2014-09-26 8:36 GMT+08:00 Abdul Navaz :Bing JiangTel:(86)134-2619-1361weibo: http://we...
   Author: Bing Jiang, 2014-09-26, 03:27
Re: Wildcard input path - Pig - [mail # user]
...I am a bit confused about the issues. AFAIK, if whether the wildcard worksor not depends upon the support of your storage format. For example, hdfs,local file system, etc.2014-09-02 21:57 GM...
   Author: Bing Jiang, 2014-09-11, 06:38
Re: Tez and MapReduce - Hadoop - [mail # user]
...By the way, mapreduce.framework.name can be set yarn or yarn-tez. It willmake differences.2014-09-02 8:24 GMT+08:00 jay vyas : ...
   Author: Bing Jiang, 2014-09-02, 02:27
[MAPREDUCE-6015] Make MR ApplicationMaster disable loading user's jars firstly - MapReduce - [issue]
...In most cases, we want to use -Dmapreduce.user.classpath.first=true to pick user's jars ahead of hadoop system's jars, which can make tasks run based upon the customized environment under th...
http://issues.apache.org/jira/browse/MAPREDUCE-6015    Author: Bing Jiang, 2014-08-04, 11:40
[MAPREDUCE-5980] filter empty string in the libjars when submitting jobs - MapReduce - [issue]
...-libjars is used to upload jars into hdfs when submitting jobs. If there is empty string between two comma, the copying processing will try to copy all the subdirs/files under current direct...
http://issues.apache.org/jira/browse/MAPREDUCE-5980    Author: Bing Jiang, 2014-07-21, 07:19
[PIG-3972] java.lang.IndexOutOfBoundsException when flatten meets an empty row - Pig - [issue]
...$ cat test1.txt{(,A1111,A),(,B222,B),(,C333,C)}$ cat test2.txt A       HelloworldB       PigC       Hive$ cat tt.pigA = LOAD 'test1.txt' AS (myba...
http://issues.apache.org/jira/browse/PIG-3972    Author: Bing Jiang, 2014-06-20, 02:05
[expand - 1 more] - Re: .META. can only have one Region after 0.96? - HBase - [mail # user]
...Thanks for Matteo's quick reply. Maybe I have missed so many jira of hbase.2014-06-12 19:08 GMT+08:00 Matteo Bertozzi :Bing JiangTel:(86)134-2619-1361weibo: http://weibo.com/jiangbingloverBL...
   Author: Bing Jiang, 2014-06-12, 11:18
Re: should i need tune mapred.child.java.opts option if i use yarn and MRV2? - Hadoop - [mail # user]
...I remember there is a maximum container memory config, It isResourceManage-side config.2014-05-23 13:58 GMT+08:00 ch huang :Bing Jiangweibo: http://weibo.com/jiangbingloverBLOG: www.binospac...
   Author: Bing Jiang, 2014-05-23, 11:18
Re: Hadoop2 LZO issue with pig - Hadoop - [mail # user]
...you need to register necessary jar which containscom.twitter.elephantbird.mapreduce.input.MultiInputFormat.class ...2014-03-08 18:00 GMT+08:00 Viswanathan J :Bing JiangFocus on distributed c...
   Author: Bing Jiang, 2014-03-10, 10:40
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