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Re: Looking for a single row - HTable.get(Get) or Scan(Get) - HBase - [mail # user]
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...I was under the impression that a single-row Scan can use the bloom filter as well. Can anyone verify/refute? On Thu, May 10, 2012 at 5:31 AM, Igal Shilman wrote: ...
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Author: Bryan Beaudreault,
2012-05-10, 14:04
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Re: Looking for a single row - HTable.get(Get) or Scan(Get) - HBase - [mail # user]
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...Gets just boil down to single-row Scans. I believe the only reason to do Scan s = new Scan(Get) would be if you need to add extra options onto the get. Get's API is more simplifi...
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Author: Bryan Beaudreault,
2012-05-09, 20:43
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Re: HBase Performance Improvements? - HBase - [mail # user]
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...I also recently had this problem, trying to index 6+ billion records into HBase. The job would take about 4 hours before it brought down the entire cluster, at only around 60% complete...
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Author: Bryan Beaudreault,
2012-05-09, 15:25
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Re: HBase HDFS disk space usage - HBase - [mail # user]
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...We created our own MetricContext for reading these metrics. Basically your metric context gets called every X seconds based on your hadoop-metrics.properties, so you can add whatever e...
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Author: Bryan Beaudreault,
2012-05-07, 17:44
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Re: HBase, CDH3U2, EC2 - HBase - [mail # user]
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...Our initial implementation was based a lot on http://hstack.org/hstack-automated-deployment-using-puppet/. However, since then we have made many customizations and moved the whole conf...
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Author: Bryan Beaudreault,
2012-04-26, 14:05
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Re: HBase, CDH3U2, EC2 - HBase - [mail # user]
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...We use ec2 and cdh as well and have around 80 Hadoop/hbase nodes deployed ac ross a few different clusters. We use a combination of puppet for package ma nagement and fabric scripts for push...
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Author: Bryan Beaudreault,
2012-04-26, 05:27
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Re: Unbalanced region server - HBase - [mail # user]
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...Unfortunately I don't have any experience with that version. You might try a n hdfs rebalance, but I'm not sure of the implications of that for hbase. H opefully someone else can be of...
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Author: Bryan Beaudreault,
2012-04-24, 04:14
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Re: Unbalanced region server - HBase - [mail # user]
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...Over time the balancer will move around both existing and new regions. A few questions: How many tables do you have? Are they all configured similarly? W hat version of hbase are you o...
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Author: Bryan Beaudreault,
2012-04-24, 03:43
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Re: Unbalanced region server - HBase - [mail # user]
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...Do all nodes have the same number of regions? If not you may not have the balancer on. You can turn it on using balancer_switch true in the hbase shell. The balancer also d...
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Author: Bryan Beaudreault,
2012-04-24, 02:50
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Re: regions stuck in transition - HBase - [mail # user]
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...Yes, I can get data from the region through the shell. The problem is the balancer cannot run when a region is in transition, so it is never running. Our region servers are becom...
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Author: Bryan Beaudreault,
2012-04-18, 14:38
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