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[expand - 3 more] - Re: number of reducers - MapReduce - [mail # user]
...Yes. LJR sets your number of reduce tasks to 1 if the number is >= 1.  Subnote: I've posted a patch to fix this at MAPREDUCE-434, but it's not committed.  - Aaron  On Mon, ...
   Author: Aaron Kimball, 2010-06-06, 23:55
[expand - 2 more] - Re: InputSplits in Mapper - MapReduce - [mail # user]
...Quite a reasonable workaround to my mind. Though having each mapper calculate the list of inputsplits may be costly.  Instead, consider this:  On your client, configure the Job ins...
   Author: Aaron Kimball, 2010-06-06, 23:53
tables disappear after system restart (single node) - HBase - [mail # user]
...Hi all,       On my single node installation of HBase, tables disappear (list command on shell returns 0 rows) after I restart the node. This has happened to me twice. Althoug...
   Author: Raghava Mutharaju, 2010-06-06, 21:47
Hive Queries not responding - Hive - [mail # user]
...Hi When i try to run hive queries like show tables, then the query did not respond, i have checked the hive log file in tmp/root/hive.log. it contains the following information.   2010-...
   Author: Shuja Rehman, 2010-06-06, 21:19
[expand - 3 more] - Re: Not able to run Hive - Hive - [mail # user]
...Hi Thanks for replying.previously i changed in hive/bin. now i change in build/dist and error is gone. Thanks for answer    On Sun, Jun 6, 2010 at 10:11 PM, Ning Zhang  wrote:...
   Author: Shuja Rehman, 2010-06-06, 20:56
[expand - 1 more] - Re: Deserializer from a SequenceFile - Hive - [mail # user]
...Hi Andrew,  You can specify that your input data is stored in SequenceFile by defining  an external table stored as SequenceFile.  create external table T (a int, b double) st...
   Author: Ning Zhang, 2010-06-06, 20:23
[expand - 1 more] - Re: HBASE-1845 - which version to target - HBase - [mail # dev]
...Hey Marc,  You should target the trunk branch for this patch. HBASE-2066 was committed to trunk a while back.  -Todd  On Sun, Jun 6, 2010 at 3:51 PM, Marc Limotte  wrote:...
   Author: Todd Lipcon, 2010-06-06, 20:00
NPE when querying columns from empty partitioned table - Hive - [mail # user]
...Hello,  I'm getting java.lang.NullPointerException(null) when try to query columns from an empty table (hive is running on Amazon Elastic MapReduce).   Here is the reproduction: &n...
   Author: Maxim Veksler, 2010-06-06, 19:50
[CASSANDRA-1167] Record partitioner in the system table - Cassandra - [issue]
...Much like ClusterName, it only makes sense to record the partitioner as well, since changing this causes confusion with the startup error and doing so requires wiping all the data anyway....
http://issues.apache.org/jira/browse/CASSANDRA-1167    Author: Brandon Williams, 2010-06-06, 18:22
Small files problem in hadoop 0.20.2 ? - Hadoop - [mail # user]
...Switching to the new hadoop API (mapreduce package instead of mapred), I've come to a roadblock to the small files problem.  Before we used CombineFileInputFormat to solve this, but wit...
   Author: user09772, 2010-06-06, 18:10
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