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[expand - 1 more] - Re: File Channel Capacity issue - Flume - [mail # user]
...Hi,  If the channel were full, each event requires 32 bytes of in-heap memory. So an agent with a capacity of 100 million would require heap of at the very least 3GB but I would set 3.5...
   Author: Brock Noland, 2012-11-25, 23:13
[RESULT] [VOTE] Retire the Chukwa podling - Chukwa - [mail # user]
...The vote passes.  Binding:  2 +1 - Alan Cabrera, Bernd Fondermann 4 0 - Ahmed Fathalla, Ari Rabkin, Bill Graham, Ivy Tang 1 -1  - Eric Yang  Non-binding  2 0 - Luang...
   Author: Alan Cabrera, 2012-11-25, 22:51
Straggler map tasks - MapReduce - [mail # dev]
...Hi ,  I need to detect the straggler map tasks specifically the last one to do some experiments .As i undestood job tracker is aware of all map tasks ,so is there any way to know the cu...
   Author: Samaneh Shokuhi, 2012-11-25, 22:18
profiling hdfs write path - HDFS - [mail # dev]
...anybody tried to profile why HDFS write path is so much CPU intensive?...
   Author: Radim Kolar, 2012-11-25, 21:41
[expand - 4 more] - Re: Network partition and ephemeral nodes - Zookeeper - [mail # user]
...Any single ZK operation will throw an error if a disconnect from the quorum is detected during an operation.  The way that you would normally see this in the middle of a fast sequence o...
   Author: Ted Dunning, 2012-11-25, 21:30
[expand - 2 more] - Re: Best practice for storage of data that changes - Hadoop - [mail # user]
...Hi Jeff,  My two cents below:  1st use case: Append-only data - e.g. weblogs or user logins As others have already mentioned that Hadoop is suitable enough to store append only dat...
   Author: anil gupta, 2012-11-25, 21:11
[expand - 3 more] - Re: LOAD multiple files with glob - Pig - [mail # user]
...Just tried this:   REGISTER 'hdfs:///lib/avro-1.7.2.jar'; REGISTER 'hdfs:///lib/json-simple-1.1.1.jar'; REGISTER 'hdfs:///lib/piggybank.jar';  DEFINE AvroStorage org.apache.pig.pig...
   Author: Bart Verwilst, 2012-11-25, 20:25
[expand - 1 more] - Re: trailing whitespace - Hadoop - [mail # dev]
...IIRC we still have a checkstyle section in the QA bot's checking script, if that still is interesting for devs to turn on again. At some point it was probably disabled.  On Mon, Nov 26,...
   Author: Harsh J, 2012-11-25, 19:35
Intrested to research on Hadoop - MapReduce - [mail # dev]
...Hello to All,             I am doing PhD and intrested to contribute to hadoop. i am trying to improve speculative execution. What i need is, first i want to is...
   Author: Suresh S, 2012-11-25, 18:24
Argumments to Hadoop Command - Hadoop - [mail # user]
...Hi,   I am trying to run a hadoop command   hadoop jar lc.jar linecount -Dmapred.job.queue.name= input output   where input and output are directories.But I get the following ...
   Author: L N, 2012-11-25, 18:00
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