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Re: Miserable Performance of gets - HBase - [mail # user]
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...And the regions are well distributed acroos the 12 regionservers..... On Wed, Mar 6, 2013 at 12:30 PM, kiran wrote: Thank you Kiran Sarvabhotla ...
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Author: kiran,
2013-03-06, 07:01
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Re: Miserable Performance of gets - HBase - [mail # user]
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...Yes we profiled the gets after completing the scan only. We have 12 regionservers. Each table i am doing gets has 40 regions. On Wed, Mar 6, 2013 at 12:21 PM, Stack wrote: ...
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Author: kiran,
2013-03-06, 07:00
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Re: Miserable Performance of gets - HBase - [mail # user]
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...Describe output of the table on which I am doing batch gets {NAME => 'XXXXXXX', FAMILIES => [{NAME => 'XXXXX', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'ROW', true ...
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Author: kiran,
2013-03-06, 06:42
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Re: Miserable Performance of gets - HBase - [mail # user]
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...Yes I have mistaken for regionsize. The regionsize was set to 20GB instead of default 10GB. Our blocksize is default 64KB. Our hdfs block size is 128MB. Our memstore flush size is 512MB. &nb...
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Author: kiran,
2013-03-06, 06:38
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Re: Miserable Performance of gets - HBase - [mail # user]
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...But bloomfilter was set to ROW on the second table... On Wed, Mar 6, 2013 at 10:54 AM, kiran wrote: Thank you Kiran Sarvabhotla ...
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Author: kiran,
2013-03-06, 05:26
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Re: Miserable Performance of gets - HBase - [mail # user]
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...Lars, The hbase block size we set to 20GB.... Anoop, We have about 13 regionservers and in the worst case these gets may be distributed across all the regionservers... &nbs...
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Author: kiran,
2013-03-06, 05:24
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Re: Miserable Performance of gets - HBase - [mail # user]
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...Version is 0.94.1 Yes, the gets are issued against the second table scanning the first table On Wed, Mar 6, 2013 at 10:27 AM, Ted Yu wrote: Thank you Kiran S...
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Author: kiran,
2013-03-06, 05:06
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Miserable Performance of gets - HBase - [mail # user]
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...Dear All, I had some miserable experience with gets (batch gets) in hbase. I have two tables with different rowkeys, columns are distributed across the two tables. Currently what...
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Author: kiran,
2013-03-06, 04:36
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Re: Updating from 0.90.2 to 0.94 - HBase - [mail # user]
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...Hi, We also upgraded the version very recently. If you can afford couple of minutes downtime then you can safely bring down the cluster and do upgrade. As such, there will be no data l...
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Author: kiran,
2013-02-26, 07:53
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Re: Regions in transition - HBase - [mail # user]
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...I think it might be reason for the splits. From 0.94.0, seems the default split policy has changes http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/regionserver/ConstantSizeRegi...
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Author: kiran,
2013-02-11, 05:16
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