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Re: Publishing HLog entries to a bus? - HBase - [mail # dev]
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...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 ...
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Author: Otis Gospodnetic,
2013-03-05, 22:50
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Publishing HLog entries to a bus? - HBase - [mail # dev]
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...Hi, I was looking at http://engineering.linkedin.com/data-replication/open-sourcing-databus-linkedins-low-latency-change-data-capture-systemand then at https://github.com/apache/hbase/...
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Author: Otis Gospodnetic,
2013-03-03, 03:08
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Re: Ganglia Vs Nagios - HBase - [mail # user]
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...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...
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Author: Otis Gospodnetic,
2013-03-01, 05:38
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Re: Ganglia Vs Nagios - HBase - [mail # user]
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...Hi, Have a look at http://sematext.com/spm/hbase-performance-monitoring/index.html (screenshot included). It does both monitoring and alerting and it's a SaaS, so you don't have ...
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Author: Otis Gospodnetic,
2013-02-28, 16:31
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Re: HBase without compactions? - HBase - [mail # user]
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...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...
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Author: Otis Gospodnetic,
2013-02-19, 06:05
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Re: HBase without compactions? - HBase - [mail # user]
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...Hi, HBASE-7667 sounds like an improvement whose details I don't fully understand, but not quite the same as compaction elimination. And I don't understand HBASE-7667 enough to ha...
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Author: Otis Gospodnetic,
2013-02-19, 05:06
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Re: HBase without compactions? - HBase - [mail # user]
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...Hi, On Mon, Feb 18, 2013 at 11:50 PM, Michael Segel wrote: What do you mean by evolve HDFS? You mean HDFS would need to change if Apache HBase were to become compac...
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Author: Otis Gospodnetic,
2013-02-19, 05:01
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HBase without compactions? - HBase - [mail # user]
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...Hello, It's kind of funny, we run SPM, which includes SPM for HBase (performance monitoring service/tool for HBase essentially) and we currently store all performance metrics in HBase....
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Author: Otis Gospodnetic,
2013-02-19, 03:30
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Re: Multiple RS for serving one region - HBase - [mail # dev]
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...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...
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Author: Otis Gospodnetic,
2013-01-22, 16:49
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Re: hbase olap cube - HBase - [mail # user]
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...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...
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Author: Otis Gospodnetic,
2013-01-16, 13:01
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