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any way to control memory usage when streaming input's speed is faster than the speed of handled by spark streaming ? - Spark - [mail # user]
...sparkers, Is there a better way to control memory usage when streaming input's speedis faster than the speed of handled by spark streaming ? Thanks,Francis.Hu ...
   Author: Francis.Hu, 2014-05-21, 03:31
help me: Out of memory when spark streaming - Spark - [mail # user]
...hi, All I encountered OOM when streaming.I send data to spark streaming through Zeromq at a speed of 600 records persecond, but the spark streaming only handle 10 records per 5 seconds(...
   Author: Francis.Hu, 2014-05-17, 00:43
答复: which web ui can track yarn job status? - MapReduce - [mail # user]
...what the value do you set for yarn.resourcemanager.webapp.address in yarn-site.xml ?     Francis.Hu     发件人: ch huang [mailto:[EMAIL PROTECTED]]  发送时间: Wednesday, Se...
   Author: Francis.Hu, 2013-09-11, 07:37
[expand - 2 more] - 答复: Is there any way to set Reducer to output to multi-places? - HDFS - [mail # user]
...Thanks, Binglin     I found the class below that can do it :).  http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/lib/MultipleOutputs.html      ...
   Author: Francis.Hu, 2013-09-02, 09:50
答复: Hadoop HA error "JOURNAL is not supported in state standby" - MapReduce - [mail # user]
...Did you start up your ZKFC service on both of your name nodes ?  Thanks, Francis.Hu  发件人: orahad bigdata [mailto:[EMAIL PROTECTED]]  发送时间: Friday, August 30, 2013 4:09 收件人: us...
   Author: Francis.Hu, 2013-08-30, 07:42
答复: about append - MapReduce - [mail # user]
...it is due to that it cannot handle the situation well about the concurrent access to same file.     发件人: gsw204 [mailto:[EMAIL PROTECTED]]  发送时间: Tuesday, August 20, 2013 18:2...
   Author: Francis.Hu, 2013-08-20, 10:34
Cannot kill a job with correct job ID. - MapReduce - [mail # user]
...Hi, All     In my resources manager web page, I see the job application_1376968101508_0009 is running.  I want to kill the job with the command:  bin/mapred job -kill app...
   Author: Francis.Hu, 2013-08-20, 09:37
答复: Passing an object in mapper - HDFS - [mail # user]
...hi,      what I did when data need to be saved into DB :     //configure DB connection info.  DBConfiguration.configureDB(config,         &n...
   Author: Francis.Hu, 2013-08-15, 04:13
[expand - 2 more] - 答复: cannot submit a job via java client in hadoop- 2.0.5-alpha - HDFS - [mail # user]
...Hi, Devaraj k  and Azuryy Yu     Thanks both of you.  I just get it resolved.  The problem is that below highlighted jar is not included in my java client side so th...
   Author: Francis.Hu, 2013-07-11, 02:46
答复: Decomssion datanode - no response - HDFS - [mail # user]
...I know the default value is 10 minutes and 30 seconds for switching datanodes from live to dead.      发件人: Azuryy Yu [mailto:[EMAIL PROTECTED]]  发送时间: Friday, July 05, 20...
   Author: Francis.Hu, 2013-07-05, 03:16
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