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Reads are very slow - HBase - [mail # dev]
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...Hi All, I am trying to use Hbase as a key-value store, where the key is stored as row-key and the value as a column family. The desc of the table is as follows: {NAME =>...
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Author: Vibhav Mundra,
2013-05-21, 10:21
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Re: Errors when starting Hbase service - HBase - [mail # user]
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...Just stop the hbase, and the hadoop. Then delete the contents of /tmp folder on all the nodes { master/slaves/regionerservers. } Try retsrating and u should be good to go. -Vibha...
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Author: Vibhav Mundra,
2013-04-02, 06:52
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Re: Read thruput - HBase - [mail # user]
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...How does your client call looks like? Get? Scan? Filters? Essentially we are using Hbase as key value retrieval. Is 3000/sec is client side calls or is it in numbers of rows per sec? &...
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Author: Vibhav Mundra,
2013-04-02, 06:36
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Re: Read thruput - HBase - [mail # user]
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...Yes, we are running with 8GB, so I dont think that should be a concern. -Vibhav On Tue, Apr 2, 2013 at 12:03 AM, Ted Yu wrote: ...
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Author: Vibhav Mundra,
2013-04-02, 06:26
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Re: Read thruput - HBase - [mail # user]
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...What is the general read-thru put that one gets when using Hbase. I am not to able to achieve more than 3000/secs with a timeout of 50 millisecs. In this case also there is 10% of the...
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Author: Vibhav Mundra,
2013-04-01, 17:59
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Re: Read thruput - HBase - [mail # user]
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...yes, I have changes the BLOCK CACHE % to 0.35. -Vibhav On Mon, Apr 1, 2013 at 10:20 PM, Ted Yu wrote: ...
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Author: Vibhav Mundra,
2013-04-01, 17:50
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Re: Read thruput - HBase - [mail # user]
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...I have used the following site: http://grokbase.com/t/hbase/user/11bat80x7m/row-get-very-slow to lessen the value of block cache. -Vibhav On Mon, Apr 1, 2013 at 4:23 PM, T...
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Author: Vibhav Mundra,
2013-04-01, 11:57
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Re: Read thruput - HBase - [mail # user]
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...The typical size of each of my row is less than 1KB. Regarding the memory, I have used 8GB for Hbase regionservers and 4 GB for datanodes and I dont see them completely used. So I rule...
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Author: Vibhav Mundra,
2013-04-01, 10:47
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Re: Hbase restart issues - HBase - [mail # user]
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...Please delete the files in /tmp folder on all the master/slaves and u should be good to go. -Vibhav On Mon, Apr 1, 2013 at 3:14 PM, Mohammad Tariq wrote: ...
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Author: Vibhav Mundra,
2013-04-01, 10:10
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Read thruput - HBase - [mail # user]
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...Hi All, I am trying to use Hbase for real-time data retrieval with a timeout of 50 ms. I am using 2 machines as datanode and regionservers, and one machine as a master for hadoop...
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Author: Vibhav Mundra,
2013-04-01, 10:09
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