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[expand - 3 more] - Re: Does 'online region merge' make regions unavailable for some time? - HBase - [mail # user]
...Thanks everyone for the feedback.  What we ended up implementing issomething that does these merges programmatically, but limits merges toregions that live on the same RS.  They ta...
   Author: Otis Gospodnetic, 2015-01-29, 04:10
[expand - 1 more] - Re: 1 table, 1 dense CF => N tables, 1 dense CF ? - HBase - [mail # user]
...Hi,What Nick suggests below about using Compaction Coprocessor soundspotentially very useful for us.  Q below.On Wed, Jan 7, 2015 at 8:21 PM, Nick Dimiduk  wrote:We actually do 2 t...
   Author: Otis Gospodnetic, 2015-01-09, 14:36
[expand - 1 more] - Re: 1 vs. N CFs, dense vs. sparse CFs, flushing - HBase - [mail # user]
...Thanks Ted!So with HBASE-10201 in place, would N sparsely populated CFs with the samekey structure ever be a better choice than a single densely populated CFwith the same key structure?Thank...
   Author: Otis Gospodnetic, 2015-01-08, 04:42
[expand - 1 more] - Re: Region Server OutOfMemory Error - HBase - [mail # user]
...Hi,You can get graphs like this (+ alerts, anomaly detection, events, etc.)from SPM: http://sematext.com/spmHBase 0.98 metrics coming later this month.OtisMonitoring * Alerting * Anomaly Det...
   Author: Otis Gospodnetic, 2015-01-07, 19:26
[expand - 1 more] - Re: how to tell there is a OOM in regionserver - HBase - [mail # user]
...It could also have been the so called OOM Killer that killed your RS.  Seehttp://www.oracle.com/technetwork/articles/servers-storage-dev/oom-killer-1911807.htmlOtisMonitoring * Alerting...
   Author: Otis Gospodnetic, 2014-12-02, 15:08
[expand - 1 more] - Re: Newbie Question about 37TB binary storage on HBase - HBase - [mail # user]
...Hi,On Fri, Nov 28, 2014 at 5:08 AM, Wilm Schumacher <[EMAIL PROTECTED]Sure, they can both be *scaled*, but in *our* use case HBase was moreefficient with the same amount of data and same ...
   Author: Otis Gospodnetic, 2014-11-28, 17:38
[expand - 2 more] - Re: Programmatic HBase version detection/extraction - HBase - [mail # user]
...Hi,Thanks Gary, I think this is exactly what I was after!Btw. might be nice to expose this via JMX, too, for apps who needs thisinfo but are not in process.OtisMonitoring * Alerting * Anomal...
   Author: Otis Gospodnetic, 2014-11-12, 22:46
[expand - 1 more] - Re: HBase w/o Master - TTL? - HBase - [mail # user]
...Thanks!  We'll have up to 2 hours without the Master.  This will be fun! :)OtisMonitoring * Alerting * Anomaly Detection * Centralized Log ManagementSolr & Elasticsearch Support * ...
   Author: Otis Gospodnetic, 2014-10-10, 21:53
[expand - 2 more] - Re: Adding 64-bit nodes to 32-bit cluster? - HBase - [mail # user]
...Why 32 bit?  Because it was a cheaper and more suitable option when we setup the cluster.Btw. we've added the 64-bit machines to the 32-bit cluster and everythingsurvived - HBase 0.94.H...
   Author: Otis Gospodnetic, 2014-09-20, 03:46
Re: Performance oddity between AWS instance sizes - HBase - [mail # user]
...Hi,The oddity in this thread is that there is no mention of metrics (sorry ifI missed them being mentioned!).  For example, that 1GB heap makes me thinka graph showing JVM heap memory p...
   Author: Otis Gospodnetic, 2014-09-20, 02:56
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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