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[expand - 1 more] - Re: HBase support in SHDP Was: Hadoop with Spring / Guice - MapReduce - [mail # user]
...Costin: Please include [EMAIL PROTECTED] in your reply. My discussion would mostly be HBase-related.  I guess you're dealing with HBase 0.90.4 where connection sharing provided by HBASE...
   Author: Ted Yu, 2011-12-30, 10:43
proper way to run TestSaslRPC - MapReduce - [mail # dev]
...Hi, In 0.20.205, I used this command: ant test-core  I saw:  Testcase: testDigestAuthMethodHostBasedToken took 0.026 sec   Caused an ERROR failure to login java.io.IOException...
   Author: Ted Yu, 2011-12-21, 00:00
setting up Eclipse environment for 0.20.205 - MapReduce - [mail # dev]
...Hi, I think the following wiki is for hadoop TRUNK: http://wiki.apache.org/hadoop/EclipseEnvironment  Is there wiki for 0.20.205 ?  I ran 'ant eclipse' and imported hadoop into Ecl...
   Author: Ted Yu, 2011-12-20, 19:30
[expand - 2 more] - Re: mysterious NumberFormatException - MapReduce - [mail # dev]
...MAPREDUCE-3583 has been logged.  Cheers  On Tue, Dec 20, 2011 at 5:11 AM, Tsz Wo Sze  wrote:  ...
   Author: Ted Yu, 2011-12-20, 15:08
Re: what is mapred.reduce.parallel.copies? - MapReduce - [mail # user]
...Which hadoop version are you using ? If it is 0.20.2, mapred.reduce.parallel.copies is the number of copying threads in ReduceTask  In the scenario you described, at least 2 concurrent ...
   Author: Ted Yu, 2011-06-28, 20:59
[MAPREDUCE-2177] The wait for spill completion should call Condition.awaitNanos(long nanosTimeout) - MapReduce - [issue]
...We sometimes saw maptask timeout in cdh3b2. Here is log from one of the maptasks:2010-11-04 10:34:23,820 INFO org.apache.hadoop.mapred.MapTask: Spilling map output: buffer full= true2010-11-...
http://issues.apache.org/jira/browse/MAPREDUCE-2177    Author: Ted Yu, 2011-06-07, 15:15
[expand - 2 more] - Re: dynamic configuration changes - MapReduce - [mail # dev]
...I logged: https://issues.apache.org/jira/browse/HADOOP-7319  Please comment so that I get to know what I might have missed.  Thanks  On Fri, May 20, 2011 at 10:44 PM, Ted Yu &...
   Author: Ted Yu, 2011-05-23, 21:58
Re: Stupid questions about combiners in ...hadoop.mapreduce - MapReduce - [mail # user]
...Questions 2 and 3 can be answered relatively easily: Remember, the output of the combiner is going to be consumed by the reducer. So the output key/vlaue classes of the combiner have to alig...
   Author: Ted Yu, 2011-05-23, 19:03
Re: mapred.min.split.size - MapReduce - [mail # user]
...Cycling bits: http://search-hadoop.com/m/O7sT4278lbG/but+it+seems+a+trade+off+with+the+number+of+files+that+have+to+be+shuffled+for+the&subj=RE+HDFS+block+size+v+s+mapred+min+split+size &nbs...
   Author: Ted Yu, 2011-03-18, 20:09
[expand - 1 more] - Re: Sequence File usage queries - MapReduce - [mail # user]
...I didn't find SequenceFile metadata viewer. You need to write some code for #2 below.  On Wed, Feb 23, 2011 at 4:24 PM, Mapred Learn wrote:  ...
   Author: Ted Yu, 2011-02-24, 00:36
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB