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Re: Question about compactions - HBase - [mail # user]
...Hi,  A few pointers: http://search-hadoop.com/m/heoc617XV29/otis+compactions&subj=Re+How+to+check+if+a+major_compact+is+done+ http://search-hadoop.com/m/BDx4S1jMjF92/otis+compactions&su...
   Author: Otis Gospodnetic, 2013-03-22, 01:13
[expand - 1 more] - Re: Publishing HLog entries to a bus? - HBase - [mail # dev]
...Hi Nick,  I don't know, what would be better/easier? I'd think per RS may be OK, but you'll know better about where HLogs can be "caught".  Btw. that Databus project just happened ...
   Author: Otis Gospodnetic, 2013-03-05, 22:50
[expand - 1 more] - Re: Ganglia Vs Nagios - HBase - [mail # user]
...Hi,  Both Jean-Marc and Leonid are correct.  SPM will give you HBase and a number of server metrics.  Right now it won't give you, say, ZK or HDFS metrics, but that's on the T...
   Author: Otis Gospodnetic, 2013-03-01, 05:38
[expand - 3 more] - Re: HBase without compactions? - HBase - [mail # user]
...And MapR has their own, completely reimplemented HDFS without these deficiencies.... and I can stop dreaming about compactionless Apache HBase?  Otis HBASE Performance Monitoring - http...
   Author: Otis Gospodnetic, 2013-02-19, 06:05
Re: Multiple RS for serving one region - HBase - [mail # dev]
...This sounds hugely useful to me and is one of those "why doesn't HBase have that" things that bugged me.  Is there an issue to watch?  http://search-hadoop.com/?q=region+failover+s...
   Author: Otis Gospodnetic, 2013-01-22, 16:49
Re: hbase olap cube - HBase - [mail # user]
...Hi,  There is one getting started on Github.  Also google for HBase lattice.  We've also built something like that at Sematext, with real-time in memory agg and HBase persiste...
   Author: Otis Gospodnetic, 2013-01-16, 13:01
Re: persistence in Hbase - HBase - [mail # user]
...Hi,  Just for my own edification - isn't data loss always going to be possible due to caches present in HDDs and inability(?) for force them to flush.  I believe I've read even fsy...
   Author: Otis Gospodnetic, 2013-01-15, 03:19
Re: responsetooslow from regionserver - HBase - [mail # user]
...For what it's worth, SPM for HBase may be of help here, as it graphs this sort of info - JVM GC, various server metrics, and a bunch of HBase metrics.  Otis Solr & ElasticSearch Support...
   Author: Otis Gospodnetic, 2013-01-05, 03:40
Re: H-Rider / HTable UI - HBase - [mail # user]
...If this were to become a part of Apache HBase, HBase devs would have to maintain it.  And I have a feeling nobody really wants to maintain this here.... :)  Otis HBASE Performance ...
   Author: Otis Gospodnetic, 2012-12-12, 21:34
How to pick which region(s) to major compact? - HBase - [mail # user]
...Hi,  If you want to do major compaction on a single region at a time (to minimize the impact on the cluster), how do you pick which region to compact?  What should one look for in ...
   Author: Otis Gospodnetic, 2012-12-12, 20:19
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