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Re: Copying data from 94 to 98 .. - HBase - [mail # user]
...I’ve been successfully moving snapshots from 94 to 98 using webhdfs. On the 94 cluster:    hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot snappy -copy-to webh...
   Author: Brian Jeltema, 2014-09-16, 11:10
long startup time for MR job - Hadoop - [mail # user]
...Running an Hadoop 2.4/HBase 0.98 MR Job on a 12-node cluster, I’m seeing a long startup delay (about 2.5 minutes):14/09/12 11:46:05 INFO client.RMProxy: Connecting to ResourceManager at prod...
   Author: Brian Jeltema, 2014-09-12, 15:56
[expand - 6 more] - Re: need help understand log output - HBase - [mail # user]
...I don’t see anything interesting at this point in the log files. Based on some applicationtimeouts I was seeing, I think the problem began several days earlier. I looked in thearea where the...
   Author: Brian Jeltema, 2014-09-12, 11:32
[expand - 4 more] - Re: directory usage question - HBase - [mail # user]
...YesNo. However the ownership failure isn’t what I’m concerned about; I understand what caused that.But the stack trace illustrated behavior of initTableSnapshotMapperJob that I didn’t expect...
   Author: Brian Jeltema, 2014-09-08, 11:17
silent mode isn't silent - Hive - [mail # user]
...Hive 0.13, I execute a query  in silent mode, persisting the output as:   hive -S -f query.hql >/tmp/output.txtbut I’m getting logging output in the output file, such as:20...
   Author: Brian Jeltema, 2014-08-27, 19:04
[expand - 1 more] - Re: UDF with dependent JARs - Hive - [mail # user]
...Yes, as stated in my initial post, a fat JAR works. But why doesn't adding the individual JARs work?Brian(TIA => Thanks In Advance ;^) ...
   Author: Brian Jeltema, 2014-08-03, 10:47
HCat and non-string partition types - Hive - [mail # user]
...I have some Hive tables that are partitioned by an int field. When I tried to do a Sqoop import using Sqoops HCatalogsupport, it failed complaining that HCatalog only supports string partiti...
   Author: Brian Jeltema, 2014-07-23, 15:50
[expand - 4 more] - Re: snapshot timeout problem - HBase - [mail # user]
...That did the trick. I set it to 100 and regions are uniform now. Should I leave it there? What are the side-effects of this change?Thanks.BrianOn Jul 22, 2014, at 11:28 AM, Ted Yu  wrot...
   Author: Brian Jeltema, 2014-07-22, 15:43
determining which region a mapper processed - HBase - [mail # user]
...When  a MapReduce job is run against HBase, a mapper is created for each region (using TableInputFormat).Is there a way look at the history and determine which region a given mapper ran...
   Author: Brian Jeltema, 2014-07-20, 15:53
1.4 -> 1.6 upgrade instructions - Ambari - [mail # user]
...Google wasn’t helpful, so:I have a cluster (Hadoop 2.2, HBase 0.96) managed by Ambari 1.4I want to upgrade to Hadoop 2.4, HBase 0.98 managed by Ambari 1.6 (or later)Are there instructions fo...
   Author: Brian Jeltema, 2014-07-14, 14:14
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