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[expand - 1 more] - RE: How to view log on yarn-client mode? - Spark - [mail # user]
...Thank you. And setting yarn.log-aggregation-enable in yarm-site.xml to true was the key.It’s somewhat inconvenient that I must use ‘yarn logs’ rather than using YARN resource manager we...
   Author: innowireless TaeYun Kim, 2014-11-21, 00:38
HBase 0.98.6.1 maven dependency - HBase - [mail # user]
...Hi, I'm relatively new to HBase and maven.Currently I'm trying to add dependency for hbase-0.98.6.1-hadoop2.jar to myapplication.But when I run 'mvn package' after adding the dependency...
   Author: innowireless TaeYun Kim, 2014-09-30, 12:20
[expand - 7 more] - RE: Bulk-load to HBase - Spark - [mail # user]
...Thank you.Actually I have numbers for the merged byte[] size for a group for my test input data.Max merged byte[] size per group is about 16KB, while the average is about 1KB. It’s not that ...
   Author: innowireless TaeYun Kim, 2014-09-22, 09:44
[expand - 1 more] - RE: Possibly a dumb question: differences between saveAsNewAPIHadoopFile and saveAsNewAPIHadoopDataset? - Spark - [mail # user]
...Thank you. Now I’ve read some part of PairRDDFunctions.scala, and I’ve found that saveAsNewAPIHadoopFile is just a thin (convenient) wrapper to saveAsNewAPIHadoopDataset. From: Mat...
   Author: innowireless TaeYun Kim, 2014-09-22, 08:44
Alternative to spark.executor.extraClassPath ? - Spark - [mail # user]
...Hi, On Spark Configuration document, spark.executor.extraClassPath is regardedas a backwards-compatibility option. It also says that users typicallyshould not need to set this option.&n...
   Author: innowireless TaeYun Kim, 2014-09-15, 02:31
[expand - 4 more] - RE: What is in a HBase block index entry? - HBase - [mail # user]
...Thank you Anoop.Though it's a bit strange to include CF in the index, since all the block index is contained in a HFile for a specific CF, I'm sure there would be a good reason (maybe for th...
   Author: innowireless TaeYun Kim, 2014-08-07, 05:06
[expand - 8 more] - RE: Question on the number of column families - HBase - [mail # user]
...Hi Qiang,thank you for your help.1. Regarding HBASE-5416, I think it's purpose is simple."Avoid loading column families that is irrelevant to filtering while scanning."So, it can be applied ...
   Author: innowireless TaeYun Kim, 2014-08-07, 04:51
hdfs.BlockMissingException on Iterator.hasNext() in mapPartitionsWithIndex() - Spark - [mail # user]
...Hi, I'm trying to split one large multi-field text file into many single-fieldtext files.My code is like this: (somewhat simplified)     final Broadcast bcSchema = s...
   Author: innowireless TaeYun Kim, 2014-07-29, 01:28
[expand - 2 more] - RE: Strange exception on coalesce() - Spark - [mail # user]
...Thank you. It works.(I've applied the changed source code to my local 1.0.0 source)...
   Author: innowireless TaeYun Kim, 2014-07-28, 01:54
[expand - 1 more] - Suggestion for SPARK-1825 - Spark - [mail # dev]
...(I'm resending this mail since it seems that it was not sent. Sorry if thiswas already sent.)Hi, A couple of month ago, I made a pull request to fixhttps://issues.apache.org/jira/browse...
   Author: innowireless TaeYun Kim, 2014-07-22, 07:47
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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