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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
How to know it's time for a major compaction? - HBase - [mail # user]
...Hello,  What are the main metrics/signals people use/look at to say "OK, I really need to do a major compaction now", other than "hm, performance is not good, let's try major compaction...
   Author: Otis Gospodnetic, 2012-12-12, 20:15
Re: 答复: how to store 100billion short text messages with hbase - HBase - [mail # user]
...Hello,  If you want to use Lucene....why not use Lucene, or one of the fancy search servers built on top of it - Solr(Cloud), ElasticSearch, or SenseiDB? You can easily shard the index ...
   Author: Otis Gospodnetic, 2012-12-06, 21:45
Re: How to monitor total disk access in HBase? - HBase - [mail # user]
...Hi,  I was just trawling HBase JIRA for this info after one happy user of SPM for HBase asked if we could show read requests separately from write requests.  See https://issues.apa...
   Author: Otis Gospodnetic, 2012-11-13, 02:01
[expand - 1 more] - Re: How to check if a major_compact is done? - HBase - [mail # user]
...Hi,  https://github.com/aravind/hbase_compact may have what you need (thanks Jeremy)  Otis Search Analytics - http://sematext.com/search-analytics/index.html Performance Monitoring...
   Author: Otis Gospodnetic, 2012-11-08, 22:03
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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