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[expand - 3 more] - Re: How to deploy coprocessor via HDFS - HBase - [mail # user]
...Yes, the jar file contains all the required classes.On Mon, Oct 27, 2014 at 5:23 PM, Gary Helmling  wrote: ...
   Author: Tom Brown, 2014-10-27, 23:56
Manually control regionserver hostname - HBase - [mail # user]
...Hello,I wish to manually specify the hostname that the master uses to address aparticular regionserver. My machines have multiple names (a friendly one,and an internal VMish one). Both names...
   Author: Tom Brown, 2014-07-24, 17:53
[expand - 5 more] - Re: Master timeout during list tables - HBase - [mail # user]
...We have determined that this issue is being caused by our HDFS (running onan Isilon cluster). For some reason, its HDFS daemon seems to getoverwhelmed and just locks up. When we tell it to u...
   Author: Tom Brown, 2014-06-27, 17:20
Re: Does compression ever improve performance? - HBase - [mail # user]
...I don't mean to hijack the thread, but this question seems relevant:Does data block encoding also help performance, or does it just enable moreefficient compression?On Saturday, June 14, 201...
   Author: Tom Brown, 2014-06-15, 21:00
[expand - 3 more] - Re: Is this a long GC pause, or something else? - HBase - [mail # user]
...Otis,I'm not sure our issue is the same (although they could turn out to berelated). As far as I have been able to determine, we have only had asingle long pause.However, we don't have much ...
   Author: Tom Brown, 2014-06-10, 23:53
[expand - 1 more] - Re: How to pass a POJO as a parameter to Coprocessor Getting Exception Error in Read Fields - HBase - [mail # user]
...Sorry, accidentally hit send... I meant to suggest this:http://stackoverflow.com/questions/20257356/hbase-client-scan-could-not-initialize-org-apache-hadoop-hbase-util-classes/On Tue, May 27...
   Author: Tom Brown, 2014-05-27, 17:16
[expand - 1 more] - Re: HBase 6x bigger than raw data - HBase - [mail # user]
...Does enabling compression include prefix compression (HBASE-4218), or isthere a separate switch for that?--TomOn Mon, Jan 27, 2014 at 3:48 PM, Ted Yu  wrote:> To make better use of b...
   Author: Tom Brown, 2014-01-27, 22:59
[expand - 1 more] - Re: Uneven write request to regions - HBase - [mail # user]
...The trade-off we make is to increase our write performance knowing it will negatively impact our read performance. In our case, however, we write a lot of rows that might never be read (depe...
   Author: Tom Brown, 2013-11-20, 17:04
[expand - 1 more] - Re: Coprocessor Increments - HBase - [mail # user]
...If you allow coprocessors to connect to any other server the connections between the HBase nodes can be represented as a directed graph. This means that deadlock is possible (when N1 is bloc...
   Author: Tom Brown, 2013-10-14, 16:36
[expand - 4 more] - Re: Too many "Compaction Complete" messages - HBase - [mail # user]
...To update this thread, this was caused by a bug: HBASE-9648.    On Sat, Sep 21, 2013 at 9:49 AM, Tom Brown  wrote:  ...
   Author: Tom Brown, 2013-09-25, 15:08
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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