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RE: Hbase Count Aggregate Function - HBase - [mail # user]
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...So do you have a suggestion how to enable/work the filter? ...
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Author: Dalia Sobhy,
2012-12-24, 17:05
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RE: Hbase Count Aggregate Function - HBase - [mail # user]
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...yeah scan gives the correct number of rows, while count returns the total number of rows. Both are using the same filter, I even tried it using Java API, using row count method. ...
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Author: Dalia Sobhy,
2012-12-24, 16:41
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Hbase Count Aggregate Function - HBase - [mail # user]
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...Dear all, I have 50,000 row with diagnosis qualifier = "cardiac", and another 50,000 rows with "renal". When I type this in Hbase shell, import org.apache.hadoop.hbase.f...
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Author: Dalia Sobhy,
2012-12-24, 15:03
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Hbase Question - HBase - [mail # user]
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...Dear all, I have 50,000 row with diagnosis qualifier = "cardiac", and another 50,000 rows with "renal". When I type this in Hbase shell, import org.apache.hadoop.hbase.filt...
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Author: Dalia Sobhy,
2012-12-23, 23:26
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RE: Hbase scalability performance - HBase - [mail # user]
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...I am using 3 region servers. Hbase version: 0.92 Cloudera Manager: 4.1 How to know the load is balanced Ted? ...
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Author: Dalia Sobhy,
2012-12-23, 13:44
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RE: Hbase scalability performance - HBase - [mail # user]
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...Dear all, Thanks for your help. I am already using coprocessors for this table. I already tried a program similar to it but using thrift server and my cluster was 23 nodes ...
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Author: Dalia Sobhy,
2012-12-23, 13:42
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RE: Hbase scalability performance - HBase - [mail # user]
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...So do you have an example of multithreading program, because I am using the read-made Java API not thrift server, so I don't know how to write a multithreaded program using this API. ...
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Author: Dalia Sobhy,
2012-12-23, 13:38
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Hbase scalability performance - HBase - [mail # user]
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...Dear all, I am testing a simple hbase application on a cluster of multiple nodes. I am especially testing the scalability performance, by measuring the time taken for random read...
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Author: Dalia Sobhy,
2012-12-22, 15:43
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RE: Hbase MapReduce - HBase - [mail # user]
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...It 's weird that hbase aggregate functions don't use MapReduce, this means that the performance will be very poor. Is it a must to use coprocessors? Is there a much easier way to improve the...
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Author: Dalia Sobhy,
2012-11-24, 18:32
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Hbase MapReduce - HBase - [mail # user]
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...Dear all, I wanted to ask a question.. Do Hbase Aggregate Functions such as rowcount, getMax, get Average use MapReduce to execute those functions? Thanks :D ...
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Author: Dalia Sobhy,
2012-11-24, 17:15
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