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Re: mapred replication - HDFS - [mail # dev]
...Without the stack trace of the exceptions it is hard to tell.  The pruning is asynchronous, but so is a node crashing with a replica on it.  The client is supposed to detect this s...
   Author: Robert Evans, 2013-08-19, 14:10
Re: For release 2.0.X, about when will have a stable release? - HDFS - [mail # dev]
...What do you consider stable? Do you mean that it will not have the -alpha tag?  That should hopefully be in a month or two.  Do you mean that it is stable enough for production use...
   Author: Robert Evans, 2013-04-23, 14:49
Re: Hadoop cluster setup - could not see second datanode - HDFS - [mail # user]
...Why would you need several data nodes?  It is simple to have one data node and one name node on the same machine.  I believe that you can make multiple data nodes run on the same m...
   Author: Robert Evans, 2013-03-05, 15:57
Re: File does not exist on part-r-00000 file after reducer runs - HDFS - [mail # user]
...I am not sure everything that may be causing this, especially because the stack trace is cut off. Your file lease has expired on the output file.  Typically the client is supposed to ke...
   Author: Robert Evans, 2013-02-11, 18:43
Re: Tune MapReduce over HBase to insert data - HDFS - [mail # user]
...I am not an hbase expert so you might get better results asking on their mailing lists, then on the MR mailing lists.  My first question would be with any performance problem would be t...
   Author: Robert Evans, 2013-01-07, 15:24
Re: Retrieve node where a map task is running programmatically - HDFS - [mail # user]
...You don't need Hadoop to do this.  Just use an InetAddress.  http://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html   On 12/27/12 8:51 AM, "Eduard Skaley"  wr...
   Author: Robert Evans, 2012-12-27, 15:29
[expand - 1 more] - Re: Is there a way to mount HAR the same way HDFS can be mounted with FUSE? - HDFS - [mail # dev]
...You might want to try [EMAIL PROTECTED] there may be someone there that is using it.  I know of it, but I have not really used it in great detail.    On 10/17/12 3:17 PM, "Pet...
   Author: Robert Evans, 2012-10-17, 21:21
Re: multipleoutputs does not like speculative execution in map-only job - HDFS - [mail # user]
...In 0.23 and branch-2 there were a lot of changes that went into the FileOutputFormat to be able to allow for AppMaster recovery. It is very likely that this is a regression from the 1.0 line...
   Author: Robert Evans, 2012-09-14, 15:06
Re: StreamXMLRecordReader - HDFS - [mail # dev]
...It wasn't removed  ./hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/S treamXmlRecordReader.java  It just got mavenized and moved to a different location. &...
   Author: Robert Evans, 2012-07-13, 15:02
[expand - 1 more] - Re: OSGi and classloaders - HDFS - [mail # dev]
...Guillaume,  The problem with Configuration is that it is public, so changing it does not just impact Hadoop.  It also impacts all of the projects that use it, either directly as pa...
   Author: Robert Evans, 2012-07-09, 18:13
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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