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Re: chukwa collector crashed because org.apache.hadoop.ipc.RemoteException - Chukwa - [mail # user]
...A little of both.  Looks like your Hadoop filesystem wasn't ready to accept writes; that's what Namenode in safe mode is telling you. Perhaps due to downed nodes?  However, Chukwa ...
   Author: Ariel Rabkin, 2011-04-11, 07:49
Re: [Discussion] Move to maven to make chukwa more modular - Chukwa - [mail # dev]
...I think maven would be good but isn't essential. My inclination is to take our current trunk and try releasing it, just to get familiar with the incubator release process and to help build m...
   Author: Ariel Rabkin, 2011-03-21, 21:10
Re: _SUCCESS files appearing in demuxOutput - Chukwa - [mail # user]
...I don't think this has been fixed yet in trunk, let alone 0.4.  I would support skipping everything starting with _.  Is there an actual use case this would break?   On Thu, F...
   Author: Ariel Rabkin, 2011-02-25, 00:27
Re: Query regarding adaptor for binary files - Chukwa - [mail # user]
...Howdy.  Yes, the chunk size is configurable. I think chukwaAgent.fileTailingAdaptor.maxReadSize is the option you want to change.  Chukwa should not alter any of your data and shou...
   Author: Ariel Rabkin, 2011-02-04, 20:54
Re: Unable to view any attached presentation at http://wiki.apache.org/hadoop/Chukwa/ - Chukwa - [mail # user]
...I don't believe we've ever posted papers and presentations to the wiki.  I believe the LISA 2010 version of the paper is the definitive one:  http://www.usenix.org/events/lisa10/te...
   Author: Ariel Rabkin, 2011-01-19, 00:20
[expand - 2 more] - Re: questions about pig - Chukwa - [mail # dev]
...Hm.  Table is biggish; awk. to scan by hand. Can we modify the script to ignore empty rows?   On Tue, Jan 4, 2011 at 8:35 PM, Eric Yang  wrote: key look like in SystemMetrics ...
   Author: Ariel Rabkin, 2011-01-05, 02:05
extending demux - Chukwa - [mail # user]
...Howdy.  I'm gearing up to make use of the new Demux framework. I have several site-specific metrics that I want to use Chukwa to collect and graph.  I'm a little vague about how to...
   Author: Ariel Rabkin, 2010-12-28, 02:12
[expand - 1 more] - Re: Using Chukwa as monitoring tool. - Chukwa - [mail # user]
...16 GB isn't a hard limit, just a suggestion. And that's based on the assumption that you have a big cluster and are collecting a lot of data and using the older MySQL based infrastructure. &...
   Author: Ariel Rabkin, 2010-12-26, 18:35
Re: Sink file has omitted chunks? - Chukwa - [mail # user]
..."Omitted chunks" is an error. By definition, if chunks are omitted they won't be there. Duplicates and other peculiarities will happen in the event of failures. As you say, it's a consequenc...
   Author: Ariel Rabkin, 2010-11-23, 07:47
Re: [DISCUSSION] Making HBaseWriter default - Chukwa - [mail # dev]
...I agree with Bill and Deshpande that we ought to make clear to users that they don't nee HICC, and therefore don't need either MySQL or HBase.  But I think what Eric meant to ask was wh...
   Author: Ariel Rabkin, 2010-11-22, 18:50
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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