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Re: Co-Processor in scanning the HBase's Table - HBase - [mail # user]
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...@Anoop : Here is my situation: I have 2 columnFamilies(cf1,cf2),5-50 qualifiers(they are variable),first I should check the value of qualifiers in cf2,then if they equal to some values I'm g...
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Author: Farrokh Shahriari,
2013-02-22, 13:55
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Re: Co-Processor in scanning the HBase's Table - HBase - [mail # user]
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...Hello again, I've used PostScannerClose Regionobserver as the hbase book (Definitive Guide) says,but it doesn't seem worked.And I noticed that the PostScannerClose doesn't return any value l...
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Author: Farrokh Shahriari,
2013-02-21, 13:44
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Re: PreSplit the table with Long format - HBase - [mail # user]
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...Hello again, Doesn't anyone know how I can do this. The problem is: When you insert something from the shell, it supposes it's a string and then does a Bytes.toBytes conversion on the ...
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Author: Farrokh Shahriari,
2013-02-20, 07:11
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Re: Co-Processor in scanning the HBase's Table - HBase - [mail # user]
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...Thanks you guys On Mon, Feb 18, 2013 at 12:00 PM, Amit Sela wrote: ...
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Author: Farrokh Shahriari,
2013-02-19, 17:33
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Re: PreSplit the table with Long format - HBase - [mail # user]
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...Tnx for your help,but it doesn't work.Do you have any other idea,cause I must run it from the shell. Farrokh On Tue, Feb 19, 2013 at 1:30 PM, Viral Bajaria wrote: ...
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Author: Farrokh Shahriari,
2013-02-19, 10:42
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PreSplit the table with Long format - HBase - [mail # user]
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...Hi there As I use rowkey in long format,I must presplit table in long format too.But when I've run this command,it presplit the table with STRING format : create 'testTable','cf1',{SPLITS =&...
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Author: Farrokh Shahriari,
2013-02-19, 09:52
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Re: Co-Processor in scanning the HBase's Table - HBase - [mail # user]
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...Thanks you Amit,I will check that. @Anoop: I wanna run that just after scanning a region or after scanning the regions that to belong to one regionserver. On Mon, Feb 18, 2013 at 7:45 ...
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Author: Farrokh Shahriari,
2013-02-18, 04:57
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Co-Processor in scanning the HBase's Table - HBase - [mail # user]
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...Hi there I wanna use a custom code after scanning a large table and prefer to run the code after scanning each region.I know that I should use co-processor,but don't know which of Observer,E...
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Author: Farrokh Shahriari,
2013-02-17, 18:51
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Re: Parallel scan in HBase - HBase - [mail # user]
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...Thank you guys, @Mohammad : Yeah I should retreice all the rows and compare each of them to a specific value. As I understand that Hbase by default doesn't support parallel scan,but I can im...
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Author: Farrokh Shahriari,
2013-02-02, 04:54
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Re: Parallel scan in HBase - HBase - [mail # user]
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...Tnx for your reply, In my case, I should scan all rows( about 1 millions to 5 millions rows) in a table & it takes a long time. I wanna know is there any way I can do it in parallel or not ?...
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Author: Farrokh Shahriari,
2013-02-01, 14:57
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