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Re: Missing metrics in any context inheriting from AbstractMetricsContext - HBase - [mail # user]
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...Hi, I don't have a direct answer to your question, but if getting metrics from JMX is an option, everything should be in there. You can use a tool like https://github.com/sematex...
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Author: Otis Gospodnetic,
2013-06-09, 05:55
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Re: Extending HBase Metrics Framework - HBase - [mail # user]
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...Hi, Not 100% sure if I understand what you are after, but it sounds like you are OK/want to modify HBase source code and add tracking of some metric that is currently not being tracked...
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Author: Otis Gospodnetic,
2013-06-09, 04:37
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Re: Performance metrics Hbase - HBase - [mail # dev]
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...U think lots of people use Ganglia...and Ambari uses it for example. We use our own SPM for HBase monitoring (see url in my sig below), which incidentally runs on top of HBase itself. ...
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Author: Otis Gospodnetic,
2013-05-27, 19:53
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Re: HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Thanks Bryan and Jeremy, good info. When you say "replication", you are referring to HDFS block replication, not HBase cluster/table replication, correct? Thanks, Otis Search Ana...
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Author: Otis Gospodnetic,
2013-05-06, 21:55
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Re: HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Yes, I think so, but.... My worry is that AWS does suffer outages - their AZs (== DCs) do get knocked out (at least the ones in N. Virginia), so I figured is one can spread data over m...
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Author: Otis Gospodnetic,
2013-05-06, 20:13
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Re: HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Yup. I'm suddenly turned off by that penny per GB! :) Ignoring the dollars, it sounds like one would just have to be OK with increased latencies, but technically nothing would break. &...
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Author: Otis Gospodnetic,
2013-05-06, 18:47
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Re: HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Re traffic and free vs. not free - Amandeep was right - according to http://aws.amazon.com/ec2/pricing/#DataTransfer it's NOT free. The AWS person I recently spoke to about this told m...
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Author: Otis Gospodnetic,
2013-05-06, 18:00
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Re: HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Hi, Actually, cross-AZ traffic is actually free. It's cross-Region traffic that's not free. I realize the cross-AZ (translates to cross-DC) traffic will be slower, but I wo...
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Author: Otis Gospodnetic,
2013-05-06, 17:58
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HBase cluster over multiple EC2 Availability Zones? - HBase - [mail # user]
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...Hi, Do people spread HBase clusters over multiple EC2 Availability Zones, or is that a big no-no? Cross-AZ communication is supposedly going over fast fiber optic cables. T...
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Author: Otis Gospodnetic,
2013-05-06, 17:37
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Re: talk list table - HBase - [mail # user]
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...+ http://blog.sematext.com/2012/12/24/hbasewd-and-hbasehut-handy-hbase-libraries-available-in-public-maven-repo/ if you use Maven and want to use HBaseWD. Otis HBASE Performance Monito...
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Author: Otis Gospodnetic,
2013-04-20, 23:10
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